UNISONIC TECHNOLOGIES CO., LTD UM605A/B LINEAR INTEGRATED CIRCUIT OPERATIONAL AMPLIFIERS WITH 2.5V/1.25V SHUNT REGULATOR DESCRIPTION UTC UM605A/B that is designed to include 2 op amp and one shunt regulator for battery charger and AC adapter application. FEATURES * Small SOT-25 package * Internal accurate 2.5V / 1.25V VREF * Reduced external components ORDERING INFORMATION Ordering Number Lead Free UM605AL-AF5-R UM605BL-AF5-R Halogen Free UM605AG-AF5-R UM605BG-AF5-R www.unisonic.com.tw Copyright © 2013 Unisonic Technologies Co., Ltd Package Packing SOT-25 SOT-25 Tape Reel Tape Reel 1 of 6 QW-R105-033.E UM605A/B LINEAR INTEGRATED CIRCUIT MARKING UM605A UM605B 5 4 UME2 1 2 L : Lead Free G: Halogen Free 3 PIN DESCRIPTION PIN NO. PIN NAME FUNCTION INTERNAL CIRCUIT DIAGRAM 1 1 OUT Output Pin 2 GND Ground 3 INB Input Pin 4 INA 5 VCC 4 Supply Voltage UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 2 of 6 QW-R105-033.E UM605A/B LINEAR INTEGRATED CIRCUIT BLOCK DIAGRAM UM605A VCC INA 5 4 5.9K + REF + 2.5V 43K + - 2.8K 1 2 3 OUT GND INB UM605B VCC INA 5 4 5.9K REF + 2.5V 23K 20K + + 2.8K - 1 2 3 OUT GND INB UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 6 QW-R105-033.E UM605A/B LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (TA = 25℃, unless otherwise specified.) PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC -0.3 ~ +20 V Recommended Operating Voltage VOPR +4 ~ +20 V Power Dissipation PD 250 mW Operating Temperature TOPR -25 ~ +85 °C Storage Temperature TSTG -40 ~ +125 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. ELECTRICAL CHARACTERISTICS (VCC=5V, TA=25℃, unless otherwise specified.) FOR UM605A PARAMETER Current Consumption A AMPLIFIER Output Inverting Voltage Output Sink Current Input Bias Current PSRR B AMPLIFIER Output Inverting Voltage Output Sink Current Input Bias Current PSRR SYMBOL TEST CONDITIONS ICC INA=0V, INB=0V, RL=∞ MIN TYP 2.4 MAX 3.4 UNIT mA INA =0V, RL=4.3k IO(SINK A) INB =2.7V, INA =0V, VOUT=1.5V II(BIAS A) INA =0V, RL=4.3k PSRR(A) INA =0V, RL=4.3k 2.45 5 2.50 2.55 50 140 V mA nA dB VB IO(SINK B) II(BIAS B) PSRR(B) 152 5 VA INB =0V, RL=4.3k INB =0V, INA=0.17V, VOUT=1.5V INB =0V, RL=4.3k INB =0V, RL=4.3k 50 160 mV mA nA dB 50 140 MIN TYP 1.2 MAX 1.7 UNIT mA 1.25 1.275 50 140 V mA nA dB 65 FOR UM605B PARAMETER Current Consumption A AMPLIFIER Output Inverting Voltage Output Sink Current Input Bias Current PSRR B AMPLIFIER Output Inverting Voltage Output Sink Current Input Bias Current PSRR SYMBOL TEST CONDITIONS ICC INA=0V, INB=0V, RL=∞ VA IO(SINK A) II(BIAS A) PSRR(A) INA =0V, RL=4.3k INB =2.7V, INA =0V, VOUT=1.5V INA =0V, RL=4.3k INA =0V, RL=4.3k 1.225 5 VB IO(SINK B) II(BIAS B) PSRR(B) INB =0V, RL=4.3k INB =0V, INA=0.17V, VOUT=1.5V INB =0V, RL=4.3k INB =0V, RL=4.3k 152 5 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 62 160 50 65 140 mV mA nA dB 4 of 6 QW-R105-033.E UM605A/B LINEAR INTEGRATED CIRCUIT APPLICATION CIRCUIT 0.001μ/1kV B+ 56k 68μH 2.2k 1k + 680μ /8V 0.1μF 100 51k 5 1M + + 8.3μ/250V + 100μ /16V 1 4 2 + 0.1μF 2.2k 3 100μ /16V 0.022μF 360 0.1μF 8.2k 360 GND 0.033μF 0.22 2.7k 100 100 UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 5 of 6 QW-R105-033.E UM605A/B LINEAR INTEGRATED CIRCUIT UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 6 of 6 QW-R105-033.E