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ST735SCD-TR Datasheet(PDF) 5 Page - STMicroelectronics |
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ST735SCD-TR Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 11 page ST735S/ST735T 5/11 ELECTRICAL CHARACTERISTICS OF ST735T (Refer to test circuit, VIN=5V, CIN =4.7µF, COUT =10µF all X7R ceramic, L = 4.7 µH (Note1) , I OUT=0mA, VO adjusted to -5V, Tamb = -40 to 125°C, unless otherwise specified. Typical value are referred at Tamb= 25°C) Note 1: Utilize of 6.8 µH permits to reach higher current capability at the same operating conditions Note2: Guaranteed by design, but not tested in production Note3 : Tested at IVREF = 125µA Symbol Parameter Test Conditions Min. Typ. Max. Unit VIN Input Voltage 3.5 9 V VO Output Voltage VIN = 4.5V to 6.2V IOUT = 0 to 200mA Tamb= -40 to 125°C -5.25 -5 -4.75 V VIN = 4.0V to 6.2V IOUT = 0 to 175mA Tamb= -40 to 125°C -5.25 -5 -4.75 V IO Output Current VIN = 4.5V to 6.2V Tamb= 0 to 125°C 200 275 mA VIN = 4.5V to 6.2V IOUT = 0 to 175mA Tamb= -40 to 125°C 175 mA VIN = 4.0V VOUT = -5V 175 mA ISUPPLY Supply Current Includes Switch Current 0.8 1.6 mA ISTANDBY Standby Current VSHDN =0V 1 10 µA ISC Short Circuit Current VIN = 5V 0.9 A IPEAK LX Max Peak Current (Note 2) 1.5 A VLO Undervoltage Lock-out 3.5 4 V ∆V OUT Line Regulation VIN = 4.0V to 6.2V 0.1 %/V ∆V OUT Load Regulation IOUT = 0 to 200mA 0.003 %/mA VREF Reference Voltage Tamb=25°C (Note 3) 1.225 V ∆V REF Reference Drift Tamb= -40 to 125°C 50 ppm/°C RDSON LX ON Voltage 0.5 Ω ILEAK LX Leakage Current VDS = 10V 1 µA ISH Shutdown Pin Current 1 µA VIL Shutdown Input Low Threshold 0.25 V VIH Shutdown Input High Threshold 2V fOSC Maximum Oscillator Frequency 300 KHz ν Efficency IOUT = 100mA 72 % RCC Compensation Pin Impedance on CC Pin 7.5 K Ω |
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