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| 1-1-1 Linear Regulator ICs SI-3000KM Series Surface Mount, Low Current Consumption, Low Dropout Voltage Linear Regulator ICs Features * Compact surface mount package (TO252-5) * Output current: 1.0 A * Low dropout voltage: VDIF 0.6 V (at IO = 1.0 A) * Low current consumption: Iq 350 A (600 A for SI-3010KM/SI-3050KM/SI3090KM/SI-3120KM) * Low circuit current at output OFF: Iq (OFF) 1 A * Built-in overcurrent and thermal protection circuits * Output ON/OFF control function * Compatible with low ESR capacitors (SI3012KM/SI-3025KM/SI-3033KM) Parameter DC Input Voltage Output Control Terminal Voltage DC Output Current Power Dissipation Junction Temperature Storage Temperature Thermal Resistance (Junction to Ambient Air) Thermal Resistance (Junction to case) Symbol VIN Vc IO PD*2 Tj Tstg SI-3012KM/ 3025KM/3033KM 17 VIN 1.0 1 -30 to +125 -30 to +125 95 6 Absolute Maximum Ratings Ratings SI-3010KM/3050KM/ 3090KM/3120KM 35*1 (Ta=25C) Unit V V A W C C C/W C/W j-a j-c *1: A built-in input-overvoltage-protection circuit shuts down the output voltage at the Input Overvoltage Shutdown Voltage of the electrical characteristics. *2: When mounted on glass-epoxy board of 900mm2 (copper laminate area 4.3%). Applications * Secondary stabilized power supply (local power supply) Recommended Operating Conditions Ratings Parameter Input Voltage Range Output Current Range Operating Ambient Temperature Operating Junction Temperature Symbol VIN IO Top Tj SI-3012KM 2.4*2 to 6.0*1 SI-3025KM 2.4*2 to 5*1 SI-3033KM *2 SI-3010KM 2.4*2 to 27*1 0 to 1.0 -30 to +85 -20 to +100 SI-3050KM 2.4*2 to 17*1 SI-3090KM *2 SI-3120KM *2 Unit V A C C to 6*1 to 20*1 to 25*1 *1: VIN (max) and IO (max) are restricted according to operating conditions due to the relation PD = (VIN-VO) x IO. Please calculate these values referring to the Copper Laminate Area vs. Power Dissipation data as shown hereinafter. *2: Refer to the Dropout Voltage parameter. Electrical Characteristics 1 (Low Input Voltage type compatible with low ESR output capacitor) Ratings Parameter Input Voltage Output Voltage (Reference voltage VADJ for SI-3012KM) Line Regulation Load Regulation Symbol min. VIN VO (VADJ) Conditions VOLINE Conditions VOLOAD Conditions VDIF Dropout Voltage Conditions Conditions Quiescent Circuit Current Circuit Current at Output OFF Temperature Coefficient of Output Voltage Ripple Rejection Overcurrent Protection Starting Current*2 Control Voltage (Output ON)*3 Control Voltage (Output OFF) VC Control Current Terminal (Output ON) Control Current (Output OFF) Iq Conditions Iq (OFF) Conditions VO/Ta Conditions RREJ Conditions IS1 Conditions VC, IH VC, IL IC, IH Conditions IC, IL Conditions -5 VC=2V 0 VC=0V -5 2.0 0.8 40 VC=2V 0 VC=0V -5 1.1 VIN=3.3V 2.0 0.8 40 VC=2V 0 VC=0V VIN=3.3V, VC=0V 0.3 Tj=0 to 100C (VC=2.5V) 55 VIN=3.3V, f=100 to 120HZ (VO=2.5V) 1.1 VIN=3.3V 2.0 0.8 40 IO=0.5A (VO=2.5V) 0.6 IO=1A (VO=2.5V) 350 VIN=3.3V, IO=0A, VC=2V, R2=24k 1 VIN=3.3V, VC=0V 0.3 Tj=0 to 100C 55 VIN=3.3V, f=100 to 120HZ 1.1 VIN=5V VIN=3.3V, IO=0A, VC=2V 1 VIN=5V, VC=0V 0.3 Tj=0 to 100C 55 VIN=5V, f=100 to 120HZ IO=1A 350 VIN=5V, IO=0A, VC=2V 1 2.4*1 1.24 1.28 VIN=3.3V, IO=10mA 15 VIN=3.3 to 8V, IO=10mA (VO=2.5V) 40 VIN=3.3V, IO=0 to 1A (VO=2.5V) 0.4 IO=0.5A 0.6 IO=1A 350 VIN=3.3V, IO=0 to 1A 0.4 IO=0.5A 0.6 VIN=3.3 to 8V, IO=10mA 40 VIN=5V, IO=0 to 1A 0.4 V 1.32 SI-3012KM (Variable type) typ. max. min. *1 SI-3025KM typ. 2.50 VIN=3.3V, IO=10mA 15 max. 2.55 min. *1 SI-3033KM typ. 3.300 VIN=5V, IO=10mA 15 VIN=5 to 10V, IO=10mA 50 max. Unit V 3.366 V mV mV 2.45 3.234 A A mV/ C dB A V A A *1: Refer to the Dropout Voltage parameter. *2: IS1 is specified at the 5% drop point of output voltage VO on the condition that VIN=overcurrent protection starting current, IO = 10 mA). *3: Output is OFF when output control terminal (VC terminal) is open. Each input level is equivalent to LS-TTL level. Therefore, the device can be driven directly by LS-TTLs. 16 ICs SI-3000KM Series Electrical Characteristics 2 (High Input Voltage type) Ratings Parameter Input Voltage Output Voltage (Reference voltage VADJ for SI-3010KM) Line Regulation Conditions VOLOAD Load Regulation Conditions VDIF Dropout Voltage Conditions Conditions Iq Quiescent Circuit Current Conditions Circuit Current at Output OFF Temperature Coefficient of Output Voltage Ripple Rejection Conditions Overcurrent Protection Starting Current*2 Control Voltage (Output ON)*3 Control Voltage (Output OFF)*3 VC Control Current Terminal (Output ON) Control Current (Output OFF) Input Overvoltage Shutdown Voltage IS1 Conditions VC, IH VC, IL IC, IH Conditions IC, IL Conditions VOVP Conditions 33 IO=10mA -5 VC=2V 0 VC=0V 26 IO=10mA -5 2.0 0.8 40 VC=2V 0 VC=0V 30 IO=10mA -5 Iq (OFF) Conditions VO/Ta Conditions RREJ VIN=7V, VC=0V 0.5 Tj =0 to 100C (VO=5V) 75 VIN=7V, f=100 to 120Hz (VO=5V) 1.1 VIN=7V 2.0 0.8 40 VC=2V 0 VC=0V 33 IO=10mA -5 1.1 VIN=7V 2.0 0.8 40 VC=2V 0 VC=0V IO=0.5A (VO=5V) 0.6 IO=1A (VO=5V) 600 VIN=7V, IO=0A, VC=2V R2=10k 1 VIN=7V, VC=0V 0.5 Tj=0 to 100C 75 VIN=7V, f=100 to 120Hz 1.1 VIN=11V 2.0 0.8 40 VIN=7V, IO=0A, VC=2V 1 VIN=11V, VC=0V 1.0 Tj=0 to 100C 68 VIN=11V, f=100 to 120Hz 1.1 VIN=14V IO=1A 600 VIN=11V, IO=0A, VC=2V 1 VIN=14V, VC=0V 1.5 Tj=0 to 100C 66 VIN=14V, f=100 to 120Hz dB VIN=7V, IO=0 to 1A (VO=5V) 0.3 IO=0.5A 0.6 IO=1A 600 VIN=14V, IO=0A, VC=2V 1 Symbol VIN VO (VADJ) Conditions VOLINE VIN=6 to 11V, IO=10mA (VO=5V) 75 VIN=7V, IO=0 to 1A 0.3 IO=0.5A 0.6 IO=1A 600 SI-3010KM (Variable type) min. 2.4*1 0.98 1.00 1.02 30 VIN=7V, IO=10mA typ. max. min. *1 SI-3050KM typ. 5.00 max. 5.10 30 VIN=6 to 11V, IO=10mA 75 min. *1 SI-3090KM typ. 9.00 max. 9.18 54 VIN=10 to 15V, IO=10mA 135 VIN=11V, IO=0 to 1A 0.3 min. *1 SI-3120KM typ. 12.00 max. Unit V 12.24 72 mV 4.90 8.82 11.76 VIN=7V, IO=10mA VIN=11V, IO=10mA VIN=14V, IO=10mA V VIN=13 to 18V, IO=10mA 180 mV VIN=14V, IO=0 to 1A 0.3 IO=0.5A 0.6 V A A mV/ C A V A A V *1: Refer to the Dropout Voltage parameter. *2: IS1 is specified at the 5% drop point of output voltage VO on the condition that VIN=overcurrent protection starting current, IO = 10 mA). *3: Output is OFF when output control terminal (VC terminal) is open. Each input level is equivalent to LS-TTL level. Therefore, the device can be driven directly by LS-TTLs. *4: SI-3010KM, SI-3050KM and SI-3090KM, SI-3120KM cannot be used in the following applications because the built-in foldback-type overcurrent protection may cause errors during start-up stage. (1) Constant current load (2) Positive and negative power supply (3) Series-connected power supply (4) VO adjustment by raising ground voltage *5: VIN (max) and IO (max) are restricted by the relation PD = (VIN - VO) x IO. Please calculate these values referring to the Copper Laminate Area vs. Power Dissipation data as shown hereinafter. External Dimensions (TO252-5) 6.600.20 6.600.20 5.340.20 2.30 0.20 (Unit : mm) 5.34 0.500.10 0.20 (5.04) (1.50) 1.100.20 .32 5 SEATING PLANE 0.00 to 0.127 (0.89) 2.70 0.1 0.500.10 1.27 TYP 1 2 3 1.27 TYP 2.300.20 4 5 0 0.500.10 (1.00) to 8 2.70 Pin Assignment q VC w VIN e GND r VO t Sense (ADJ for SI-3010KM/SI-3120KM) Plastic Mold Package Type Flammability: UL94V-0 Product Mass: Approx. 0.33g R0 6.100.20 9.900.30 (4.06) 0.20 0.20 1.180.20 9.900.30 ICs 17 1-1-1 Linear Regulator ICs Block Diagram SI-3010KM/SI-3012KM SI-3025KM/SI-3033KM/SI-3050KM/SI-3090KM/SI-3120KM VIN 2 4 VOUT VIN 2 4 VO 5 VC 1 + 5 ADJ TSD VC 1 + Sense TSD REF 3 GND REF 3 GND Typical Connection Diagram SI-3025KM/SI-3033KM/SI-3050KM/ SI-3090KM/SI-3120KM SI-3010KM/SI-3012KM D1*2 *1 D1*2 *1 VIN 2 + VO 4 + + VIN 2 VO 4 R1 + CIN sense VC GND 5 1 3 Load CO CIN VC GND ADJ 1 5 3 *3 CO R2 R3 CIN: Input capacitor (22 F or larger) CO: Output capacitor *1: SI-3012KM/3025KM/3033KM (22 F or larger) It comes with a circuit configuration that uses a low ESR capacitor for the output capacitor. If an electrolytic capacitor is used, oscillation may occur at a low temperature. SI-3010KM/3050KM/3090KM/3120KM (47 F or larger) If a low ESR capacitor is used, oscillation may occur. *2: D1: Reverse bias protection diode This diode is required for protection against reverse biasing between the input and output. (Sanken SJPL-H2 is recommended.) This diode is not required at VO 3.3 V. R1, R2: Output voltage setting resistors Output voltage can be set by connecting R1 and R2 as shown above. R2: 10 k is recommended (24 k for SI-3012KM). R1=(VO-VADJ)/(VADJ/R2) *3: For SI-3010KM, insert R3 in case of setting VO to VO 1.5V. Recommended value for R3 is 10k. Reference Data Copper Laminate Area-Thermal Resistance Glass-epoxy board : 30x30mm 100 90 Power Dissipation PD (W) Copper Laminate Area-Power Dissipation Glass-epoxy board : 30x30mm 1.5 Ta=25C 1 40C 60C 0.5 85C 0 j-a(C/W) 80 70 60 50 40 10 100 Copper Laminate Area (mm2) 1000 * Obtaining the junction temperature Measure the temperature TC at the lead part of the GND pin with a thermocouple, etc. Then, substitute this value in the following formula to obtain the junction temperature. Tj=PD x j-C + TC Case temperature Tc measurement point Load ( j-C = 6C/W) 10 100 Copper Laminate Area (mm2) 1000 18 ICs |
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