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| MITSUMI Op Amplifier 2 Circuit and Shunt Regulator (2.5V) MM1462BN, MM1462XN Op Amplifier 2 Circuit and Shunt Regulator (2.5V) Monolithic IC MM1462BN, MM1462XN Outline MM1462BN incorporates a 2-circuit op amp + shunt regulator (1.25V), and MM1462XN incorporates a 2circuit op amp + shunt regulator (2.5V). Supports voltage control and sensors for adapters, etc. Features 1. Input bias current 2. Power supply voltage removal 3. Current consumption 4. Reference voltage 5. Output inversion voltage fluctuation (VCC=2.5~5V) 30nA typ. 65dB min. (B amp) 2.4mA typ. (MM1462BN) 1.2mA typ. (MM1462XN) 1.25V typ. (MM1462BN) 2.50V typ. (MM1462XN) 3mV typ. (MM1462BN-A amp) 0.5mV typ. (MM1462BN-B amp) Package SOT-25A SOT-25B Applications 1. Charger 2. Switching power supply 3. AC adapter Pin Assignment 5 4 1 2 3 1 2 3 4 5 OUT GND BIN AIN VCC SOT-25A, SOT-25B (TOP VIEW) MITSUMI Op Amplifier 2 Circuit and Shunt Regulator (2.5V) MM1462BN, MM1462XN Block Diagram MM1462XN MM1462BN VCC 5 AIN 4 VCC 5 AIN 4 3080 46920 4000 1 OUT 2 GND 3 BIN 1 OUT 3097 22057 2000 2 GND 3 BIN Pin Description Pin No. 1 Pin name OUT Function Output pin Internal equivalent circuit diagram 1 3 4 BIN AIN Input pin 3 4 Absolute Maximum Ratings Item Strage temperature Operating temperature Supply voltage Allowable loss (Ta=25C) Symbol TSTG TOPR VCC max Pd Ratings -40~+125 -25~+85 -0.3~+20 250 Units C C V mW MITSUMI Op Amplifier 2 Circuit and Shunt Regulator (2.5V) MM1462BN, MM1462XN Recommended Operating Conditions MM1462BN Item Operating temperature Operating voltage Symbol TOPR VOPR Ratings -20~+70 +2.5~+20 Units C C MM1462XN Item Operating temperature Operating voltage Symbol TOPR VOPR Ratings -25~+85 +4~+20 Units C C Electrical Characteristics MM1462BN Item Current consumption A amplifier Output inverting voltage (A) Input bias current (A) PSRR (A) Output sink current (A) Output inverting voltage (A) deviation Output inverting voltage (A) temperature coefficient B amplifier Output inverting voltage (B) Input bias current (B) PSRR (B) Output sink current (B) Output inverting voltage (B) deviation Output inverting voltage (B) temperature coefficient (Except where noted therwise, Ta=25C, VCC=5V) Symbol ICC VA IB PSRR ISI VA Measurement conditions AIN=0V, BIN=0V, RL= BIN=0V, RL=4.3k, VCC=3~5V BIN=0V, RL=4.3k BIN=0V, RL=4.3k AIN=1.35V, BIN=0V, VOUT=1.5V BIN=0V, RL=4.3k, VCC=2.5~5V Min. Typ. Max. Units 2.4 3.4 mA 1.225 1.25 1.275 V 30 150 nA 50 dB 5 mA 3 100 mV ppm/C VB IB PSRR ISI VB AIN=0V, RL=4.3k, VCC=3~5V AIN=0V, RL=4.3k, VCC=3~5V AIN=0V, RL=4.3k AIN=0V, BIN=0.17V, VOUT=1.5V AIN=0V, RL=4.3k, VCC=2.5~5V 151 65 5 154 30 157 150 mV nA dB mA mV ppm/C 0.5 100 MM1462XN Item Current consumption A amplifier Output inverting voltage (A) Input bias current (A) PSRR (A) Output sink current (A) B amplifier Output inverting voltage (B) Input bias current (B) PSRR (B) Output sink current (B) Symbol ICC VA IB PSRR (A) ISI VB IB PSRR (B) ISI Measurement conditions AIN=0V, BIN=0V, RL= BIN=0V, RL=4.3k BIN=0V, RL=4.3k BIN=0V, RL=4.3k AIN=2.7V, BIN=0V, VOUT=1.5V AIN=0V, RL=4.3k AIN=0V, RL=4.3k AIN=0V, RL=4.3k AIN=0V, BIN=0.17V, VOUT=1.5V Min. Typ. Max. Units 1.2 1.7 mA 2.45 62 5 151 65 5 154 30 157 150 2.50 30 2.55 150 V nA dB mA mV nA dB mA MITSUMI Op Amplifier 2 Circuit and Shunt Regulator (2.5V) MM1462BN, MM1462XN Measuring Circuit MM1462BN VCC 0.22F 100k 5 TPB TPA RL VCC MM1462BNRE 1 SW11 SW10 SW1 SW2 SW3 SW4 0.22F 1.5k SW5 2000 AIN OFF SW6 SW7 AIN 4 22057 OUT A SW12 1.5k BIN 3 SW8 SW9 3097 0.1F BIN 3.9k 1.5V 680k 47F 1k 2 1M 1M VIN GND (Except where noted therwise, Ta=25C, VCC=5.0V) Switch Status SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 SW9 SW10 SW11 SW12 RL () VIN (V) Current consunption 4.3k Output inverting AIN 4.3k voltage (A) Input bias 4.3k current (A) Output sink 1.35 current (A) PSRR (A) 4.3k VA Output inverting BIN 4.3k voltage (B) Input bias 4.3k current (B) Output sink 0.17 current (B) 3 PSRR (B) 4.3k Item : ON : OFF Mesure TPA voltage Mesure TPA voltage Mesure output sink current 1 Mesure TPB voltage Mesure TPB voltage Mesure output sink current 2 * ** * 1 *2 *3 VOUT1 is defined by the voltage when VCC=4V. VOUT2 is defined by the voltage when VCC=25V. PSRR (A) is shown in the eqation below. VOUT1 is defined by the voltage when VCC=4V. VOUT2 is defined by the voltage when VCC=25V. PSRR (B) is shown in the eqation below. PSRR=40+20log | (25V-4V) / (VOUT1-VOUT2) | VB-20mV MITSUMI Op Amplifier 2 Circuit and Shunt Regulator (2.5V) MM1462BN, MM1462XN MM1462XN VCC TPB TPA 0.22F 100k 5 RL VCC MM1462XNRE 1 SW11 SW10 SW1 SW2 SW3 SW4 0.22F 1.5k SW5 4000 AIN OFF SW6 SW7 AIN 4 46920 OUT A SW12 1.5k BIN 3 SW8 SW9 3080 0.1F BIN 3.9k 1.5V 680k 47F 1k 2 1M 1M VIN GND (Except where noted therwise, Ta=25C, VCC=5.0V) Switch Status SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 SW9 SW10 SW11 SW12 RL () VIN (V) Current consunption 4.3k Output inverting AIN 4.3k voltage (A) Input bias 4.3k current (A) Output sink 2.7V current (A) PSRR (A) 4.3k VA Output inverting 4.3k BIN voltage (B) Input bias 4.3k current (B) Output sink 0.17 current (B) 3 PSRR (B) 4.3k Item : ON : OFF Mesure TPA voltage Mesure TPA voltage Mesure output sink current 1 Mesure TPB voltage Mesure TPB voltage Mesure output sink current 2 * ** * 1 *2 *3 VOUT1 is defined by the voltage when VCC=4V. VOUT2 is defined by the voltage when VCC=25V. PSRR (A) is shown in the eqation below. VOUT1 is defined by the voltage when VCC=4V. VOUT2 is defined by the voltage when VCC=25V. PSRR (B) is shown in the eqation below PSRR=40+20log | (25V-4V) / (VOUT1-VOUT2) | VB-20mV MITSUMI Op Amplifier 2 Circuit and Shunt Regulator (2.5V) MM1462BN, MM1462XN Application Circuit MM1462XN 0.001 /1kV 56k 68H B+ 100 1k 5 4 0.1F 100 /16V 1.5k 0.22 390 47k 0.022F 0.1F 0.033F 8.3 /250V 800 /8V 1M 100 /16V 8.2k 1 2 3 390 0.1F 1.5k GND 100 100 Characteristics MM1462BN 1.30 (3.0V product except where noted therwise, Ta=25C, VIN=5V, VCONT=5V, CIN=1F, CO=2.2) 2.7k 1.30 Output Inverting Voltage A (V) 1.25 1.20 1.15 1.10 0 1 2 3 4 5 Output Inverting Voltage A (V) 1.25 1.20 1.15 1.10 0 5 10 15 20 VCC (V) 0.160 0.160 VCC (V) Output Inverting Voltage B (V) 0.155 0.150 0.145 0.140 0 1 2 3 4 Output Inverting Voltage B (V) 0.155 0.150 0.145 0.140 0 1 2 3 4 VCC (V) VCC (V) Note: these are typical characteristics MITSUMI Op Amplifier 2 Circuit and Shunt Regulator (2.5V) MM1462BN, MM1462XN MM1462XN 0.159 Sample No. Output Inverting Voltage B (V) Output Inverting Voltage B (V) 0 1 2 3 0.158 0.157 0.156 0.155 0.154 0.153 0.152 0.151 0.150 0.149 0.16 0.14 0.12 0.10 0.08 0.06 0.04 0.02 0 4 6 8 10 12 14 16 18 20 22 24 26 28 30 VCC (V) VCC (V) 2.6 2.4 2.55 Sample No. Output Inverting Voltage B (V) 2.0 1.8 0.16 0.14 0.12 0.10 0.08 0.06 0.04 0.02 0 0 1 2 3 Output Inverting Voltage B (V) 2.2 2.54 2.53 2.52 2.51 2.50 2.49 2.48 2.47 2.46 2.45 2.44 4 6 8 10 12 14 16 18 20 22 24 26 28 30 VCC (V) VCC (V) Note: these are typical characteristics |
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