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19-1613; Rev 3; 3/02
Low-Cost, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References
General Description
The MAX6100-MAX6107 are low-cost, low-dropout (LDO), micropower voltage references. These three-terminal references are available with output voltage options of 1.25V, 1.8V, 2.048V, 2.5V, 3V, 4.096V, 4.5V, and 5V. They feature a proprietary curvature-correction circuit and laser-trimmed, thin-film resistors that result in a low temperature coefficient of 75ppm/C (max) and an initial accuracy of 0.4% (max). These devices are specified over the extended temperature range (-40C to +85C). These series-mode voltage references draw only 90A of supply current and can source 5mA and sink 2mA of load current. Unlike conventional shunt-mode (two-terminal) references that waste supply current and require an external resistor, these devices offer a supply current that is virtually independent of the supply voltage (with only a 4A/V variation with supply voltage) and do not require an external resistor. Additionally, these internally compensated devices do not require an external compensation capacitor and are stable with load capacitance. Eliminating the external compensation capacitor saves valuable board area in space-critical applications. Lowdropout voltage and supply independent, ultra-low supply current make these devices ideal for battery-operated, high-performance, low-voltage systems. The MAX6100-MAX6107 are available in tiny 3-pin SOT23 packages. o Ultra-Small 3-Pin SOT23 Package o Low Cost o No Output Capacitor Required o Stable with Capacitive Loads o Load Regulation (2mA Sink): 8mV/mA (max) Load Regulation (5mA Source): 0.9mV/mA (max) o 0.4% (max) Initial Accuracy o Low 75ppm/C Temperature Coefficient o 125A (max) Quiescent Supply Current o 50mV Dropout at 1mA Load Current
Features
MAX6100-MAX6107
Ordering Information
PART MAX6100EUR-T MAX6101EUR-T MAX6102EUR-T MAX6103EUR-T MAX6104EUR-T MAX6105EUR-T MAX6106EUR-T MAX6107EUR-T TEMP RANGE -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C -40C to +85C PINPACKAGE 3 SOT23-3 3 SOT23-3 3 SOT23-3 3 SOT23-3 3 SOT23-3 3 SOT23-3 3 SOT23-3 3 SOT23-3 TOP MARK FZID FZGT FZGU FZGV FZGW FZGX FZJR FZMV
Applications
Portable Battery-Powered Systems Notebook Computers PDAs, GPSs, DMMs Cellular Phones Hard-Disk Drives
Note: There is a minimum order increment of 2500 pieces for SOT23 packages.
Selector Guide
PART MAX6100 MAX6101 MAX6102
REFERENCE OUT
Typical Operating Circuit
+SUPPLY INPUT (SEE SELECTOR GUIDE)
OUTPUT VOLTAGE (V) 1.800 1.250 2.500 3.000 4.096 5.000 2.048 4.5
INPUT VOLTAGE RANGE (V) 2.5 to 12.6 2.5 to 12.6 (VOUT + 200mV) to 12.6 (VOUT + 200mV) to 12.6 (VOUT + 200mV) to 12.6 (VOUT + 200mV) to 12.6 2.5 to 12.6 (VOUT + 200mV) to 12.6
IN OUT
MAX6103 MAX6104 MAX6105 MAX6106 MAX6107
MAX6100-MAX6107
*
GND *CAPACITORS ARE OPTIONAL.
1F*
Pin Configuration appears at end of data sheet.
________________________________________________________________ Maxim Integrated Products
1
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Low-Cost, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6100-MAX6107
ABSOLUTE MAXIMUM RATINGS
(Voltages Referenced to GND) IN .........................................................................-0.3V to +13.5V OUT .............................................................-0.3V to (VIN + 0.3V) Output Short-Circuit to GND or IN (VIN < 6V) ............Continuous Output Short-Circuit to GND or IN (VIN 6V) .........................60s Continuous Power Dissipation (TA = +70C) 3-Pin SOT23 (derate 4.0mW/C above +70C)............320mW Operating Temperature Range ...........................-40C to +85C Storage Temperature Range .............................-65C to +150C Lead Temperature (soldering, 10s) .................................+300C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS--MAX6101, VOUT = 1.25V
(VIN = 5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Output Voltage Output Voltage Temperature Coefficient (Notes 2, 3) Line Regulation Load Regulation OUT Short-Circuit Current Long-Term Stability Output Voltage Hysteresis (Note 4) DYNAMIC CHARACTERISTICS Noise Voltage Ripple Rejection Turn-On Settling Time INPUT CHARACTERISTICS Supply Voltage Range Quiescent Supply Current Change in Supply Current eOUT VOUT/ VIN tR VIN IIN IIN/VIN 2.5V VIN 12.6V f = 0.1Hz to 10Hz f = 10Hz to 10kHz VIN = 5V 100mV, f = 120Hz To VOUT = 0.1% of final value, COUT = 50pF Guaranteed by line-regulation test 2.5 90 4 13 15 86 50 12.6 125 8 VP-P VRMS dB s V A A/V SYMBOL VOUT TCVOUT VOUT/ VIN VOUT/ IOUT ISC VOUT/ time VOUT/ cycle TA = +25C 0C to +70C -40C to +85C 2.5V VIN 12.6V Sourcing: 0 IOUT 5mA Sinking: -2mA IOUT 0 Short to GND Short to IN 1000hr at +25C 110 12 50 130 CONDITIONS MIN 1.245 TYP 1.250 MAX 1.255 65 75 90 0.9 3.0 UNITS V ppm/C V/V mV/mA mA ppm/ 1000hr ppm
2
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Low-Cost, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References
ELECTRICAL CHARACTERISTICS--MAX6100, VOUT = 1.8V
(VIN = 5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C) (Note 1)
PARAMETER Output Voltage Output Voltage Temperature Coefficient (Notes 2, 3) Line Regulation Load Regulation SYMBOL VOUT TCVOUT VOUT/ VIN VOUT/ IOUT ISC VOUT/ time VOUT/ cycle TA = +25C 0C to +70C -40C to +85C 2.5V VIN 12.6V Sourcing: 0 IOUT 5mA Sinking: -2mA IOUT 0 Short to GND OUT Short-Circuit Current Long-Term Stability Output Voltage Hysteresis (Note 4) DYNAMIC CHARACTERISTICS f = 0.1Hz to 10Hz Noise Voltage eOUT f = 10Hz to 10kHz Ripple Rejection Turn-On Settling Time INPUT CHARACTERISTICS Supply Voltage Range Quiescent Supply Current Change in Supply Current VIN IIN IIN/VIN 2.5V VIN 12.6V Guaranteed by line-regulation test 2.5 90 4 12.6 125 8 V A A/V VOUT/ VIN tR VIN = 5V, 100mV, f = 120Hz To VOUT = 0.1% of final value, COUT = 50pF 25 86 100 22 VP-P VRMS dB s Short to IN 1000hr at +25C 110 12 50 130 mA ppm/ 1000hr ppm CONDITIONS MIN 1.793 TYP 1.800 MAX 1.807 65 75 200 0.9 4.0 mV/mA UNITS V ppm/C V/V
MAX6100-MAX6107
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Low-Cost, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6100-MAX6107
ELECTRICAL CHARACTERISTICS--MAX6106, VOUT = 2.048V
(VIN = 5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1)
PARAMETER Output Voltage Output Voltage Temperature Coefficient (Notes 2, 3) Line Regulation Load Regulation OUT Short-Circuit Current Long-Term Stability Output Voltage Hysteresis (Note 4) DYNAMIC CHARACTERISTICS Noise Voltage Ripple Rejection Turn-On Settling Time INPUT CHARACTERISTICS Supply Voltage Range Quiescent Supply Current Change in Supply Current VIN IIN IIN / VIN 2.5 VIN 12.6V Guaranteed by line-regulation test 2.5 90 4 12.6 125 8 V A A/V SYMBOL VOUT TCVOUT VOUT / VIN_ VOUT/ IOUT ISC VOUT/ time VOUT/ cycle TA = +25C 0C to +70C -40C to +85C 2.5V VIN 12.6V Sourcing : 0 IOUT 5mA Sinking: -2mA IOUT 0 Short to GND Short to IN 1000hr at +25C 110 12 50 130 CONDITIONS MIN 2.040 TYP 2.048 MAX 2.056 65 75 200 0.9 4.0 UNITS V ppm/C V/V mV/mA mA ppm/ 1000hr ppm
eOUT VOUT/ VIN tR
f= 0.1Hz to 10Hz f= 10Hz to 10kHz VIN = 5V 100mV, f = 120Hz To VOUT = 0.1% of final value, COUT = 50pF
22 25 86 100
VP-P VRMS dB s
4
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Low-Cost, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References
ELECTRICAL CHARACTERISTICS--MAX6102, VOUT = 2.50V
(VIN = 5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Output Voltage Output Voltage Temperature Coefficient (Notes 2, 3) Line Regulation Load Regulation Dropout Voltage (Note 5) OUT Short-Circuit Current Long-Term Stability Output Voltage Hysteresis (Note 4) DYNAMIC CHARACTERISTICS Noise Voltage Ripple Rejection Turn-On Settling Time INPUT CHARACTERISTICS Supply Voltage Range Quiescent Supply Current Change in Supply Current eOUT VOUT/ VIN tR f = 0.1Hz to 10Hz f = 10Hz to 10kHz VIN = 5V 100mV, f = 120Hz To VOUT = 0.1% of final value, COUT = 50pF VOUT + 0.2 90 (VOUT + 0.2V) VIN 12.6V 4 27 30 86 115 VP-P VRMS dB s SYMBOL VOUT TCVOUT VOUT/ VIN VOUT/ IOUT VIN VOUT ISC VOUT/ time VOUT/ cycle TA = +25C 0C to +70C -40C to +85C (VOUT + 0.2V) VIN 12.6V Sourcing: 0 IOUT 5mA Sinking: -2mA IOUT 0 IOUT = 1mA Short to GND Short to IN 1000hr at +25C 50 110 12 50 130 CONDITIONS MIN 2.490 TYP 2.50 MAX 2.510 65 75 300 0.9 5.0 200 UNITS V ppm/C V/V mV/mA mV mA ppm/ 1000hr ppm
MAX6100-MAX6107
VIN IIN IIN/VIN
Guaranteed by line-regulation test
12.6 125 8
V A A/V
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Low-Cost, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6100-MAX6107
ELECTRICAL CHARACTERISTICS--MAX6103, VOUT = 3.0V
(VIN = 5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Output Voltage Output Voltage Temperature Coefficient (Notes 2, 3) Line Regulation Load Regulation Dropout Voltage (Note 5) OUT Short-Circuit Current Long-Term Stability Output Voltage Hysteresis (Note 4) DYNAMIC CHARACTERISTICS Noise Voltage Ripple Rejection Turn-On Settling Time INPUT CHARACTERISTICS Supply Voltage Range Quiescent Supply Current Change in Supply Current eOUT VOUT/ VIN tR f = 0.1Hz to 10Hz f = 10Hz to 10kHz VIN = 5V 100mV, f = 120Hz To VOUT = 0.1% of final value, COUT = 50pF VOUT + 0.2 90 (VOUT + 0.2V) VIN 12.6V 4 35 40 76 115 VP-P VRMS dB s SYMBOL VOUT TCVOUT VOUT/ VIN VOUT/ IOUT VIN VOUT ISC VOUT/ time VOUT/ cycle TA = +25C 0C to +70C -40C to +85C (VOUT + 0.2V) VIN 12.6V Sourcing: 0 IOUT 5mA Sinking: -2mA IOUT 0 IOUT = 1mA Short to GND Short to IN 1000hr at +25C 50 110 12 50 130 CONDITIONS MIN 2.988 TYP 3.000 MAX 3.012 65 75 400 0.9 6.0 200 UNITS V ppm/C V/V mV/mA mV mA ppm/ 1000hr ppm
VIN IIN IIN/VIN
Guaranteed by line-regulation test
12.6 125 8
V A A/V
6
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Low-Cost, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References
ELECTRICAL CHARACTERISTICS--MAX6104, VOUT = 4.096V
(VIN = 5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Output Voltage Output Voltage Temperature Coefficient (Notes 2, 3) Line Regulation Load Regulation Dropout Voltage (Note 5) OUT Short-Circuit Current Long-Term Stability Output Voltage Hysteresis (Note 4) DYNAMIC CHARACTERISTICS Noise Voltage Ripple Rejection Turn-On Settling Time INPUT CHARACTERISTICS Supply Voltage Range Quiescent Supply Current Change in Supply Current eOUT VOUT/ VIN tR f = 0.1Hz to 10Hz f = 10Hz to 10kHz VIN = 5V 100mV, f = 120Hz To VOUT = 0.1% of final value, COUT = 50pF VOUT + 0.2 90 (VOUT + 0.2V) VIN 12.6V 4 50 50 72 190 VP-P VRMS dB s SYMBOL VOUT TCVOUT VOUT/ VIN VOUT/ IOUT VIN VOUT ISC VOUT/ time VOUT/ cycle TA = +25C 0C to +70C -40C to +85C (VOUT + 0.2V) VIN 12.6V Sourcing: 0 IOUT 5mA Sinking: -2mA IOUT 0 IOUT = 1mA Short to GND Short to IN 1000hr at +25C 50 110 12 50 130 CONDITIONS MIN 4.080 TYP 4.096 MAX 4.112 65 75 430 0.9 8.0 200 UNITS V ppm/C V/V mV/mA mV mA ppm/ 1000hr ppm
MAX6100-MAX6107
VIN IIN IIN/VIN
Guaranteed by line-regulation test
12.6 125 8
V A A/V
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Low-Cost, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6100-MAX6107
ELECTRICAL CHARACTERISTICS--MAX6107, VOUT = 4.5V
(VIN = 5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Output Voltage Output Voltage Temperature Coefficient (Notes 2, 3) Line Regulation Load Regulation Dropout Voltage (Note 5) OUT Short-Circuit Current Long-Term Stability Output Voltage Hysteresis (Note 4) DYNAMIC CHARACTERISTICS Noise Voltage Ripple Rejection Turn-On Settling Time INPUT CHARACTERISTICS Supply Voltage Range Quiescent Supply Current Change in Supply Current eOUT VOUT/ VIN tR f = 0.1Hz to 10Hz f = 10Hz to 10kHz VIN = 5V 100mV, f = 120Hz To VOUT = 0.1% of final value, COUT = 50pF VOUT + 0.2 90 (VOUT + 0.2V) VIN 12.6V 4 55 55 70 230 VP-P VRMS dB s SYMBOL VOUT TCVOUT VOUT/ VIN VOUT/ IOUT VIN VOUT ISC VOUT/ time VOUT/ cycle TA = +25C 0C to +70C -40C to +85C (VOUT + 0.2V) VIN 12.6V Sourcing: 0 IOUT 5mA Sinking: -2mA IOUT 0 IOUT = 1mA Short to GND Short to IN 1000hr at +25C 50 110 12 50 130 CONDITIONS MIN 4.482 TYP 4.500 MAX 4.518 65 75 550 0.9 8.0 200 UNITS V ppm/C V/V mV/mA mV mA ppm/ 1000hr ppm
VIN IIN IIN/VIN
Guaranteed by line-regulation test
12.6 125 8
V A A/V
8
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Low-Cost, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References
ELECTRICAL CHARACTERISTICS--MAX6105, VOUT = 5.000V
(VIN = 5.5V, IOUT = 0, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25C.) (Note 1) PARAMETER Output Voltage Output Voltage Temperature Coefficient (Notes 2, 3) Line Regulation Load Regulation Dropout Voltage (Note 5) OUT Short-Circuit Current Long-Term Stability Output Voltage Hysteresis (Note 4) DYNAMIC CHARACTERISTICS Noise Voltage Ripple Rejection Turn-On Settling Time INPUT CHARACTERISTICS Supply Voltage Range Quiescent Supply Current Change in Supply Current eOUT VOUT/ VIN tR f = 0.1Hz to 10Hz f = 10Hz to 10kHz VIN = 6V 100mV, f = 120Hz To VOUT = 0.1% of final value, COUT = 50pF VOUT + 0.2 90 (VOUT + 0.2V) VIN 12.6V 4 60 60 65 300 VP-P VRMS dB s SYMBOL VOUT TCVOUT VOUT/ VIN VOUT/ IOUT VIN VOUT ISC VOUT/ time VOUT/ cycle TA = +25C 0C to +70C -40C to +85C (VOUT + 0.2V) VIN 12.6V Sourcing: 0 IOUT 5mA Sinking: -2mA IOUT 0 IOUT = 1mA Short to GND Short to IN 1000hr at +25C 50 110 12 50 130 CONDITIONS MIN 4.980 TYP 5.000 MAX 5.020 65 75 550 0.9 10 200 UNITS V ppm/C V/V mV/mA mV mA ppm/ 1000hr ppm
MAX6100-MAX6107
VIN IIN IIN/VIN
Guaranteed by line-regulation test
12.6 125 8
V A A/V
Note 1: Devices are 100% production tested at TA = +25C and are guaranteed by design from TA = TMIN to TMAX by correlation to sample units characterized over temperature. Note 2: Temperature coefficient is specified by the "box" method, i.e., the maximum VOUT is divided by the maximum t. Note 3: Not production tested. Guaranteed by design. Note 4: Thermal hysteresis is defined as the change in +25C output voltage before and after temperature cycling of the device from TA = TMIN to TMAX. Note 5: Dropout voltage is the minimum input voltage at which VOUT changes 0.2% from VOUT at VIN = 5.0V (VIN = 5.5V for MAX6105).
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Low-Cost, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6100-MAX6107
Typical Operating Characteristics
(TA = +25C, unless otherwise noted.)
MAX6102 OUTPUT VOLTAGE TEMPERATURE DRIFT
MAX6100/07 TOC01
MAX6105 OUTPUT VOLTAGE TEMPERATURE DRIFT
MAX6100/07 TOC02
SUPPLY CURRENT vs. INPUT VOLTAGE
MAX6100/07 TOC03
2.497 2.496 2.495
OUTPUT VOLTAGE (V)
5.004 5.002 OUTPUT VOLTAGE (V) 5.000 4.998 4.996 4.994 4.992 4.990 3 TYPICAL PARTS TEMPERATURE RISING -40 -20 0 20 40 60 80 TEMPERATURE (C)
120 100 SUPPLY CURRENT (A) 80 60 40 20 0 2 4 6 8 10 12
2.494 2.493 2.492 2.491 2.490 2.489 2.488 -40 -20 0 20 40 60 80 TEMPERATURE (C) 3 TYPICAL PARTS TEMPERATURE RISING
14
INPUT VOLTAGE (V)
MAX6101 SUPPLY CURRENT vs. TEMPERATURE
MAX6100/07 toc04
MAX6102 DROPOUT VOLTAGE vs. SOURCE CURRENT
MAX6100/07 TOC05
MAX6102 DROPOUT VOLTAGE vs. SINK CURRENT
-10 DROPOUT VOLTAGE (mV) -20 -30 -40 -50 -60 -70 -80 TA = +85C TA = +25C TA = -40C
MAX6100/07 TOC06
120 VIN = 12.5V 110 SUPPLY CURRENT (A) VIN = 7.5V
250 TA = +85C
0
100
DROPOUT VOLTAGE (mV)
200
150
90 VIN = 2.5V VIN = 5.5V
100 TA = +25C 50 TA = -40C
80
70 -40 -15 10 35 60 85 TEMPERATURE (C)
0 0 1 2 3 4 5 SOURCE CURRENT (mA)
-90 0 0.5 1.0 1.5 2.0 2.5 SINK CURRENT (mA)
MAX6105 DROPOUT VOLTAGE vs. SOURCE CURRENT
MAX6100/07 TOC07
MAX6105 DROPOUT VOLTAGE vs. SINK CURRENT
MAX6100/07 TOC08
MAX6102 LOAD REGULATION
7 OUTPUT VOLTAGE CHANGE (mV) 6 5 4 3 2 1 0 -1 -2 TA = +85C TA = +25C -6 -4 -2 0 2 4 6 8 10 12 LOAD CURRENT (mA) TA = -40C TA = +25C TA = -40C SINK
MAX6100/07 TOC09
250 TA = +85C DROPOUT VOLTAGE (mV) 200 TA = +25C TA = -40C 100
0 -10
8 TA = +85C SOURCE
DROPOUT VOLTAGE (mV)
-20 -30 -40 -50 -60 -70 -80 TA = +85C TA = +25C TA = -40C
150
50
0 0 1 2 3 4 5 6 SOURCE CURRENT (mA)
-90 0 0.5 1.0 1.5 2.0 2.5 SINK CURRENT (mA)
10
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Low-Cost, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6100-MAX6107
Typical Operating Characteristics (continued)
(TA = +25C, unless otherwise noted.)
MAX6105 LOAD REGULATION
MAX6100/07 TOC10
MAX6102 LINE REGULATION
MAX6100/07 TOC11
MAX6105 LINE REGULATION
0.35 OUTPUT VOLTAGE CHANGE (mV) 0.30 0.25 0.20 0.15 0.10 0.05 0 -0.05 12 14 4 6 8 10 12 14 TA = +25C TA = +85C TA = -40C
MAX6100/07 TOC12
5 OUTPUT VOLTAGE CHANGE (mV) 4 SINK 3 2 1 0 -1 -6 -4 -2 0 2 4 6 8 10 TA = -40C TA = +25C TA = +85C TA = +25C TA = -40C TA = +85C SOURCE
0.25 OUTPUT VOLTAGE CHANGE (mV) 0.20 0.15 0.10 0.05 TA = +25C 0 -0.05 -0.10 TA = +85C TA = -40C
0.40
12
2
4
6
8
10
LOAD CURRENT (mA)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
MAX6102 POWER-SUPPLY REJECTION RATIO vs. FREQUENCY
MAX6100/07 TOC13
MAX6105 POWER-SUPPLY REJECTION RATIO vs. FREQUENCY
70 60 50 PSRR (dB) 40 30 20 10 VOUT 200mV/div
MAX6100/07 TOC14
MAX6101 LINE-TRANSIENT RESPONSE
MAX6100/07 TOC15
100 90 80 70 60 PSRR (dB) 50 40 30 20 10 0 0.001 0.01 0.1 1 10 100
80
VIN 200mV/div
1000
0 0.001
0.01
0.1
1
10
100
1000
100s/div
FREQUENCY (kHz)
FREQUENCY (kHz)
MAX6102 LINE-TRANSIENT RESPONSE
MAX6100/07 TOC16
MAX6105 LINE-TRANSIENT RESPONSE
MAX6100/07 TOC17
OUTPUT IMPEDANCE vs. FREQUENCY
700 OUTPUT IMPEDANCE () 600 500 400 300 200 100 0 -100
MAX6100/07 TOC18
800
VIN 200mV/div
VIN 200mV/div
VOUT 100mV/div
VOUT 5mV/div
100s/div
100s/div
0.01 0.1
1
10
100
1k
10k 100k 1M
FREQUENCY (Hz)
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Low-Cost, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6100-MAX6107
Typical Operating Characteristics (continued)
(TA = +25C, unless otherwise noted.)
MAX6101 LOAD-TRANSIENT RESPONSE (CLOAD = 0)
MAX6100/07 TOC19
MAX6102 LOAD-TRANSIENT RESPONSE (CLOAD = 0)
MAX6100/07 TOC20
VOUT 200mV/div
VOUT 200mV/div
5mA 4mA IOUT 5mA/div -2mA IOUT 5mA/div -2mA
200s/div
200s/div
MAX6105 LOAD-TRANSIENT RESPONSE (CLOAD = 0)
MAX6100/07 TOC21
MAX6102 LOAD-TRANSIENT RESPONSE (CLOAD = 1F)
MAX6100/07 TOC22
VOUT 200mV/div
VIN 2V/div
IOUT 5mA/div
5mA -2mA VOUT 50mV/div
200s/div
200s/div
MAX6105 LOAD-TRANSIENT RESPONSE (CLOAD = 1F)
MAX6100/07 TOC23
MAX6101 TURN-ON TRANSIENT
MAX6100/07 TOC24
VIN 5V/div
VIN 2V/div
VOUT 50mV/div VOUT 500mV/div
100s/div
100s/div
12
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Low-Cost, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6100-MAX6107
Typical Operating Characteristics (continued)
(TA = +25C, unless otherwise noted.)
MAX6105 TURN-ON TRANSIENT
MAX6100/07 TOC25
MAX6102 0.1Hz TO 10Hz OUTPUT NOISE
MAX6100/07 TOC26
MAX6105 0.1Hz TO 10Hz OUTPUT NOISE
MAX6100/07 TOC27
VIN 2V/div
20V/div
20V/div
VOUT 2V/div
100s/div
1s/div
1s/div
Pin Description
PIN 1 2 3 NAME IN OUT GND FUNCTION Input Voltage Reference Output Ground
Supply Current
The quiescent supply current of the series-mode MAX6100 family is typically 90A and is virtually independent of the supply voltage, with only an 8A/V (max) variation with supply voltage. Unlike series references, shunt-mode references operate with a series resistor connected to the power supply. The quiescent current of a shunt-mode reference is thus a function of the input voltage. Additionally, shunt-mode references have to be biased at the maximum-expected load current, even if the load current is not present at the time. In the MAX6100 family, the load current is drawn from the input voltage only when required, so supply current is not wasted and efficiency is maximized at all input voltages. This improved efficiency reduces power dissipation and extends battery life. When the supply voltage is below the minimum specified input voltage (as during turn-on), the devices can draw up to 400A beyond the nominal supply current. The input voltage source must be capable of providing this current to ensure reliable turn-on.
Applications Information
Input Bypassing
For the best line-transient performance, decouple the input with a 0.1F ceramic capacitor as shown in the Typical Operating Circuit. Locate the capacitor as close to IN as possible. Where transient performance is less important, no capacitor is necessary.
Output/Load Capacitance
Devices in the MAX6100 family do not require an output capacitance for frequency stability. They are stable for any capacitive load when sourcing less than 200A. When sourcing greater than 200A, the output may become unstable with capacitive loads between 0.5nF and 50nF. In applications where the load or the supply can experience step changes, an output capacitor reduces the amount of overshoot (undershoot) and improves the circuit's transient response. Many applications do not require an external capacitor, and the MAX6100 family can offer a significant advantage in these applications when board space is critical.
Output Voltage Hysteresis
Output voltage hysteresis is the change of output voltage at TA = +25C before and after the device is cycled over its entire operating temperature range. Hysteresis is caused by differential package stress appearing across the bandgap core transistors. The typical temperature hysteresis value is 130ppm.
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13
Low-Cost, Micropower, Low-Dropout, High-Output-Current, SOT23 Voltage References MAX6100-MAX6107
Turn-On Time
These devices typically turn on and settle to within 0.1% of their final value in 50s to 300s. The turn-on time can increase up to 1.5ms with the device operating at the minimum dropout voltage and the maximum load.
TOP VIEW
IN 1
Pin Configuration
MAX6100-MAX6107
3 OUT 2 GND
SOT23
Chip Information
TRANSISTOR COUNT: 117
Package Information
(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information, go to www.maxim-ic.com/packages.)
SOTPO3L.EPS
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
14 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 (c) 2002 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products.

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