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FEATURES
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APPLICATIONS Wireless Network Telecom/Datacom Industry Control System Distributed Power Architectures Semiconductor Equipment Microprocessor Power Applications
* OUTPUT CURRENT UP TO 6A * SMALL SIZE AND LOW PROFILE : 0.80" X 0.45" X 0.22" (SMD) ; 0.9" X 0.40" X 0.20" (SIP) * HIGH EFFICIENCY - 94% @ 3.3V FULL LOAD * INPUT RANGE FROM 2.4VDC TO 5.5VDC * FIXED SWITCHING FREQUENCY (300KHZ) * SMD & SIP PACKAGES * OUTPUT VOLTAGE PROGRAMMABLE FROM 0.75VDC TO 3.3VDC VIA EXTERNAL RESISTOR * INPUT UNDER-VOLTAGE LOCKOUT * UL60950-1, EN60950-1 AND IEC60950-1 LICENSED * ISO9001 CERTIFIED MANUFACTURING FACILITIES * COMPLIANT TO RoHS EU DIRECTIVE 2002/95/EC
OPTIONS
Positive Logic Remote on/off
DESCRIPTION
DOS06-05T (SMD type), DOH06-05T (for Vertical Mounting SIP type) and DOH06-05TA (for Horizontal Mounting SIP type) are non-isolated DC/DC converters that can deliver up to 6A of output current with full load efficiency of 94% at 3.3V output.
T E C H N I C A L S P E C I F I C AT I O N
OUTPUT SPECIFICATIONS
Output current Voltage accuracy Minimum load Line regulation Load regulation Vin=Vo(set)+0.5V to Vin(max.) at Full Load No Load to Full Load Full load and Vin(nom.)
All specifications are typical at nominal input, full load and 25C otherwise noted
INPUT SPECIFICATIONS
6A max. Input voltage range 2%Vo(set) Maximum input current 0% Input filter (Note 5) Vo(set) < Vin - 0.5V 2.4 - 5.5VDC 6A C filter Vin=Vin(min.); Vo(set)=3.3V; Io=Io(max.)
Ripple and noise (Note2) 20MHz bandwidth Temperature coefficient Io /t = 2.5A/S ,Vin(nom.) Load change step (50% to 100% or 100% to 50% of Io(max.)) Io /t = 2.5A/S ,Vin(nom) Dynamic load Load change step response (50% to 100% or (Note3) 100% to 50% of Io(max.)) Output current limit Dynamic load response (Note2)
0.3%Vo(set),typ. Input no load current Vo(set) =0.75Vdc 20mA,typ. 45mA,typ. (Vin=5V, Io=0, module enabled) Vo(set) =3.3Vdc 0.4%Vo(set),typ. Start-up voltage 2.2V,typ. 20mVrms,max. Input under voltage lockout 2.0V,typ. Shutdown voltage 50mVp-p,max. Input reflected ripple current 5~20MHz, 1H source impedance 35mAp-p 0.4%, typ.
Peak deviation 130mV,typ. ENVIRONMENTAL SPECIFICATIONS Setting time Operating ambient temperature -40C ~ +85C(with derating) (Vo<10%peak 25S,typ. deviation) Storage temperature range -55C ~ +125C Peak deviation 50mV,typ. Thermal shock MIL-STD-810F Setting time (Vo<10%peak 50S,typ. Over temperature protection 135 C, typ. deviation) 220%,typ. FEATURE SPECIFICATIONS Output short-circuit current Hiccup, automatics recovery Remote ON/OFF(Note 6) ON = 0V < Vr < 0.3V IIN=10A, max. (Negative logic)(standard) ESR1m 1000F,max. External load capacitance OFF =1.5V < Vr < Vin(max) IIN=1mA, max. 3000F,max. ESR10m (Positive logic)(option) ON = Vin(max) IIN=10A, max. Output voltage overshoot-startup Vin=2.4~5.5V, F.L. 1%Vo(set) OFF=0V < Vr < 0.3V IIN=1mA, max. Voltage adjustability (see fig.1) (Note 4) 0.7525V ~ 3.63V Input current of Remote control pin 10A~1.0mA Remote off state input current Nominal Vin 0.6mA,typ.
GENERAL SPECIFICATIONS
Efficiency Isolation voltage Switching frequency Approvals and standard Dimensions Weight MTBF (Note 1) SMD
See table Rise time
Time for Vo to rise from 10% to 90%of Vo(set) Case 1 (Note 7) Case 2 (Note 8)
6ms,max. 1ms, typ. 1ms, typ.
None Turn-on delay time 300KHz, typ. IEC60950-1, UL60950-1, EN60950-1 0.80 X 0.45 X 0.22 Inch (20.3 X 11.4 X 5.5 mm) SIP 0.90 X 0.40 X 0.20 Inch (22.9 X 10.2 X 5.0 mm) 2.8g(0.1oz) 7 BELLCORE TR-NWT-000332 2.133 x 10 hrs 6 3.247 x 10 hrs MIL-HDBK-217F
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Model Name
DOS06-05T DOS06-05T-P DOH06-05T DOH06-05T-P DOH06-05TA DOH06-05TA-P
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ON/OFF Logic
Negative Positive Negative Positive Negative Positive
Package
SMD
Input Voltage
Output Voltage
Output Current
Min. Load Max. Load
Efficiency (%)
5.0Vin, 3.3Vdc@6A
2.4 ~ 5.5Vdc Vertical Mounting Vin(min.)=Vo(set)+0.5V SIP Horizontal Mounting SIP
0.75 ~ 3.3Vdc
0A
6A
94%
Note 1. BELLCORE TR-NWT-000332. Case 1: 50% Stress, Temperature at 40C. MIL-HDBK-217F Notice2 @Ta=25 C, Full load(Ground, Benign, controlled environment). 2. External with Cout = 1F ceramic//10F tantalum capacitors. 3. External with Cout = 2x150uF polymer capacitors. 4. Output voltage programmable from 0.75V to 3.3V by connecting a single resistor (shown as Rtrim in Table 1) between the TRIM and GND pins of the module.To calculate the value of the resistor Rtrim for a particular output voltage Vo, use the following equation: Rtrim = 5.
[
21070 Vo - 0.7525
-5110
]
It's necessary to equip the external input capacitors at the input of the module. The capacitors should connect as close as possible to the input terminals that ensuring module stability. The external Cin is 2x150F low-ESR polymer capacitors // 2x47F ceramic capacitors at least. 6. Device code with suffix "-P" - Positive logic(On/Off is open collector/drain logic input; Signal referenced to GND ) Device code with no suffix - Negative logic (On/Off pin is open collector/drain logic input with external pull -up resistor; signal referenced to GND) 7. Case 1 :On/Off input is set to logic low (module on) and then input power is applied (delay from instant at which Vin=Vin(min) until Vo=10% of Vo(set)) 8. Case 2 :Input power is applied for at least one second and then the On/Off input is set to logic low (delay form instant at which Von/off=0.3V until Vo=10% of Vo(set)) CAUTION: This power module is not internally fused. An input line fuse must always be used.
DOS06-05T, Vo=3.3V, Derating Curve
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OUTPUT CURRENT,Io(A)
6 5 4 3 2 1 0 20 30 40 50 60 63 70 80 90
AMBIENT TEMPERATURE,TA()
Fig. 1
Table 1 Vo(set) (V) 0.7525 1.2 1.5 1.8 2.5 3.3 Rtrim (K) Open 41.973 23.077 15.004 6.974 3.160
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DOH06-05T
0.90(22.9) 0.20(5.0)
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0.40(10.2)
0.025(0.64)
0.05(1.3)
0.100(2.54) 0.600(15.24) 0.700(17.78) 0.800(20.32)
0.035(0.88) 0.16(4.12)
BOTTOM VIEW
SIDE VIEW
DOH06-05TA
BOTTOM VIEW
SIDE VIEW
DOS06-05T
BOTTOM VIEW
SIDE VIEW
1. All dimensions in Inches (mm) Tolerance: X.XX0.02 (X.X0.5) X.XXX0.01 (X.XX0.25) 2. Pin pitch tolerance 0.01(0.25) 3. Pin dimension tolerance 0.004 (0.1)
0.13(3.3)
ON/OFF
VOUT
TRIM
GND
VIN
ON/OFF
VOUT
TRIM
GND
VIN
Last update:2008/6/4

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