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SI9175DM-T1-E3 Datasheet(PDF) 3 Page - Vishay Siliconix |
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SI9175DM-T1-E3 Datasheet(HTML) 3 Page - Vishay Siliconix |
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3 / 17 page  Si9175 Vishay Siliconix Document Number: 71728 S-41148—Rev. C, 14-Jun-04 www.vishay.com 3 SPECIFICATIONS Parameter Limits Test Conditions Unless Specified −40_C to 85_C, VIN = VDD,, CIN = 10 mF, COUT = 4.7 mF L = 2.2 mH, 2.6 V v VIN v 5.5 V, R1 = 11.3 kW, R2 = 20 kW Unit Maxa Typb Mina Test Conditions Unless Specified −40_C to 85_C, VIN = VDD,, CIN = 10 mF, COUT = 4.7 mF L = 2.2 mH, 2.6 V v VIN v 5.5 V, R1 = 11.3 kW, R2 = 20 kW Symbol Modef Converter Operation Maximum Output Current PWM ILOAD VIN = 3.6 V 600 mA Maximum Output Current PSM ILOAD VIN = 3.6 V 150 mA Dropout Voltagee VDD VIN = 2.6 V, IOUT = 600 mA 190 300 mV Closed Loop Bandwidth BW 300 kHz Load Regulationc PWM VIN = 3.6 V IOUT = 30 mA to 600 mA 0.5 % Load Regulationc PSM VIN = 3.6 V VOUT = 1.9 V @ 25_C IOUT = 30 mA to 75 mA 0.25 % Line Regulation PWM VOUT = 3 0 V VIN = 3 5 V to 5 5 V "0.1 %/V Line Regulation PSM VOUT = 3.0 V, VIN = 3.5 V to 5.5 V "0.1 %/V PWM/PSM Switch Threshold Current IAUpk 200 mA Maximum Inductor Peak Current Limit ILpk 1500 mA On Resistance P-Channel rDS( ) VIN = 3 6 V 250 mW On Resistance N-Channel rDS(on) VIN = 3.6 V 250 mW Output Ripple Voltage PWM 0 05 W COUT(ESR) IOUT = 600 mA 60 mV Output Ripple Voltage PSM 0.05 W COUT(ESR) IOUT = 30 mA 80 mVp-p Efficiency PWM VIN = 3 6 V VOUT = 3 3 V IOUT = 600 mA 90 % Efficiency PSM VIN = 3.6 V, VOUT = 3.3 V IOUT = 30 mA 80 % Frequency PSM IOUT w 30 mA 20 kHz Supply Current Input Supply Current PWM ISUPPLY (VDD & IOUT = 0 mA VIN = 3 6 V (not switching FB = GND) 450 750 Input Supply Current PSM (VDD & VIN) IOUT = 0 mA, VIN = 3.6 V (not switching, FB = GND) 400 mA Shutdown Supply Current ISD SD = Low 2 Thermal Shutdown Thermal Shutdown Temperaturec TJ(S/D) 165 _C Thermal Hysteresisc 20 _C Notes a. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet. b. Typical values are for DESIGN AID ONLY, not guaranteed or subject to production testing. c. Guaranteed by design. d. Settling times, ts, apply after ten. e. Bypass is a device mode of operation, in which, the device is in 100% duty cycle. Bypass operation is possible in either PWM or PSM. f. Operating modes are controlled with the MODE pin where Auto mode = MODE = LOW, PWM Mode = MODE = HIGH, and PSM mode = MODE = OPEN. |
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