UNISONIC TECHNOLOGIES CO., LTD UM601A LINEAR INTEGRATED CIRCUIT VOLTAGE AND CURRENT CONTROLLER DESCRIPTION The UTC UM601A integrated circuit incorporates a high stability series band gap voltage reference, two ORed operational amplifiers and a current source. This IC compares the DC voltage and the current level at the output of a switching power supply to an internal reference. It provides a feedback through an optocoupler to the PWM controller IC in the primary side. The controlled current generator can be used to modify the level of current limitation by offsetting the information coming from the current sensing resistor. It can be used in voltage supervisors, every types of application requiring a precision voltage regulation and current limitation, over voltage protection, battery charger with a constant voltage and a limited output current. DIP-8 SOP-8 FEATURES * 1.24V Series Voltage Reference with 10mA Output Current and 1% Precision (UM601A) * Two Operational Amplifiers with ORed Output and 1MHz Gain Bandwidth Product * Built-In Current Generator with Enable / Disable Function * 4.5 ~ 32V Supply Voltage Range ORDERING INFORMATION Ordering Number Lead Free UM601AG-D08-T - Halogen Free UM601AG-D08-T UM601AG-S08-R Package Packing DIP-8 SOP-8 Tube Tape Reel UM601AL-D08-T (1) Packing Type (1) T: Tube, R: Tape Reel (2) Package Type (3) Green Package (2) D08: DIP-8, S08: SOP-8 (3) L: Lead Free, G: Halogen Free and Lead Free MARKING DIP-8 8 7 6 5 UTC UM601A 1 2 3 4 SOP-8 Date Code L: Lead Free G: Halogen Free Lot Code www.unisonic.com.tw Copyright © 2015 Unisonic Technologies Co., Ltd 1 of 5 QW-R105-028.D UM601A LINEAR INTEGRATED CIRCUIT PIN CONFIGURATION 8 VCC 2 7 VRIN CRREF 3 6 OUTPUT GND 4 5 CRIN - CSEN VREF + 1 + VREF - PIN DESCRIPTION PIN 1. NAME VREF TYPE OUTPUT 2. CSEN INPUT 3. 4. 5. CRREF GND CRIN INPUT INPUT INPUT 6. OUTPUT OUTPUT 7. 8. VRIN VCC INPUT INPUT FUNCTION Voltage Reference Output 1.24V, 10mA max. Do not short circuit Current source enable input. This current source can be used to offset the voltage measurement on the sense resistor and therefore to modify the charge current. The current source is enabled when the input volage on pin 2 is lower than 0.8V Current Limitation Reference Input Ground Current Limitation Loop Input, connected to the sense resistor Output pin common to the voltage regulation and current limitation loops. This output can drive the primary side (LED) of an optocoupler Voltage Regulation Loop Input Power Supply Input (4.5 ~ 32VDC) UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 6 QW-R105-028.D UM601A LINEAR INTEGRATED CIRCUIT BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 3 of 6 QW-R105-028.D UM601A LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL RATINGS DC Supply Voltage VCC 36 Output Current IOUT 20 Input Voltage VIN -0.3 ~ VCC-1.5 Input Current IIN ±1 Power Dissipation PD 200 Junction Temperature TJ 150 Storage Temperature TSTG -40 ~ +125 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. OPERATING CONDITIONS PARAMETER Supply Voltage Ambient Operating Temperature SYMBOL VCC TOPR RATINGS 4.5 ~ 32 -20 ~ +80 UNIT V °C SYMBOL θJA RATINGS 130 ~ 200 UNIT °C/W THERMAL DATA PARAMETER Junction to Ambient UNIT V mA V mA mW °C °C ELECTRICAL CHARACTERISTICS (VCC=15V, TA=25°C, unless otherwise specified) PARAMETER Total Supply Current Input Voltage Input Offset Voltage Input Bias Current Output Sink Current Large Signal Voltage Gain Supply Voltage Rejection Ratio Common Mode Rejection Ratio Gain Bandwidth Product Output Leakage Current VOLTAGE REFERENCE UM601A-1 Reference Voltage UM601A-2 Temperature Stability Load Regulation Line Regulation SYMBOL TEST CONDITIONS MIN ICC VCC=15V VI 0 TA=25°C -5 VIO -7 TMIN.<TAMB.<TMAX. VIN=1.2V on pin 7 25°C -700 IIB and VIN=0V on pin5 TMIN.<TA.<TMAX. -1000 25°C ISINK VOL=2.5 V 8 TMIN.<TA.<TMAX. AVO RL=2kΩ, TMIN.<TAMB.<TMAX. 15 SVR TMIN.<TAMB.<TMAX. 65 CMR TMIN.<TAMB.<TMAX. VCC=15V, F=100kHz, VIN=10mV, GBP RL=2kΩ, CL=100pF TA=25°C IOH TMIN.<TAMB.<TMAX. VREF KVT Reglo Regli IOUT=1mA, TAMB=25°C TMIN.<TAMB.<TMAX. 1mA <IOUT<10mA 5V<VIN<32V UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw TYP MAX 2 UNIT mA V VCC-1.5 1 5 mV 7 mV -300 0 nA 0 nA 15 mA mA V/mV 90 dB 80 dB 1 MHZ 2 7 μA μA 1.227 1.240 1.252 V 1.21 1.24 1.27 V 30 100 ppm/°C 5 15 mV 3.5 10 mV 4 of 6 QW-R105-028.D UM601A LINEAR INTEGRATED CIRCUIT ELECTRICAL CHARACTERISTICS (Cont.) PARAMETER CURRENT GENERATOR Current Source Temperature Stability Line Regulation Voltage at the enable pin to have IO=1.4mA Voltage at the enable pin to have IO=0mA Input Current on the Csen pin Leakage Current SYMBOL TEST CONDITIONS TYP MAX UNIT IO KCGT CgliR TMIN.<TAMB.<TMAX. 4.5V<VCC<32V 1.4 mA 500 ppm/°C 0.003 0.030 mV VCSEN TMIN.<TAMB.<TMAX. 0.6 VCSDIS TMIN.<TAMB.<TMAX. ICSEN ICSLEAK TMIN.<TAMB.<TMAX. VCS=2V, TMIN.<TAMB.<TMAX. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN 2 V V 0.5 30 2 μA μA 5 of 6 QW-R105-028.D UM601A 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-R105-028.D