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TPS65530 Fiches technique(PDF) 6 Page - Texas Instruments |
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TPS65530 Fiches technique(HTML) 6 Page - Texas Instruments |
6 / 30 page www.ti.com ELECTRICAL CHARACTERISTICS TPS65530 SLVS744B – OCTOBER 2007 – REVISED NOVEMBER 2007 0 °C ≤ T J ≤ 125°C, 1.8 V ≤ VCC2 ≤ 5 V (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT For All Circuits ICC_Iq VCC2 = VPS = 3.6 V, XSLEEP = AGND 1 10 µA ICC_sleep VCC2 = 3.6 V, VPS = 5 V, XSLEEP = AGND, 40 70 Consumption current at PS (pin 29) ENAFE = VCC2 ICC_PWM VCC2 = 3.6 V , VPS = 5 V, XSLEEP = VCC2, 20 30 mA ENAFE = VCC2, EN56 = VCC2, EN7 = VCC2 ICC_Iq2 VCC2 = VPS = 3.6 V, XSLEEP = AGND 1 10 µA ICC_sleep2 VCC2 = 3.6 V, VPS = 5 V, XSLEEP = AGND, 12 30 Consumption current at VCC2 (pin 12) ENAFE = VCC2 ICC_PWM2 VCC2 = 3.6 V , VPS = 5 V, XSLEEP = VCC2, 0.3 1.0 mA ENAFE = VCC2, EN56 = VCC2, EN7 = VCC2 TSD Thermal shutdown temperature(2) 150 °C V(UV_ON) UVLO detect level VCC2 from 0 V to 5.5 V, XSLEEP = VCC2 1.25 1.4 1.55 V V(UV_OFF) UVLO hysteresis VCC2 from 5.5 V to 0 V 50 100 150 mV OSC Internal OSC frequency VCC2 = 3.6 V 1.35 1.5 1.65 MHz OSC_SUB CH5/6/7/8 switching frequency OSC = 1.5 MHz, VPS = 5 V 750 KHz REF output voltage XSLEEP = VCC2 2.72 2.8 3.03 V Iss SS source current S/S=AGND 6 10 14 µA Pulldown resistance at XSLEEP, XSLEEP = ENAFE = EN56 = EN7 = SEQ56 = 3 V 200 k Ω ENAFE, EN56, EN7, SEQ56 CH1 VCC1 Supply voltage 1.5 5.5 V VOUT1 Output voltage(2) 0.9 2.5 V VCC1 > 2.4 V, VOUT1 = 1.2 V, IOUT1 Output current(2) Feedback resistance: R1 = 330 k Ω, 600 mA R2 = 330 k Ω VFB1 FB1 reference voltage No load 0.59 0.6 0.61 V Overcurrent protection threshold 0.9 1.9 A Overvoltage protection threshold 0.67 0.75 0.83 V (sensing at FB1 pin) High-side Nch FET ON resistance(3) VPS = 5 V 320 500 m Ω Low-side Nch FET ON resistance(3) VPS = 5 V 200 250 m Ω Trigger voltage to start CH3 0.48 V Trigger voltage to power off LDO 0.25 V CH2 VCC2 Supply voltage 1.5 5.5 V VOUT2 Output voltage(2) 2.5 3.6 V VCC2 > 2.4 V, VOUT2 = 3.3 V, IOUT2 Output current(2) Feedback resistance: R1 = 180 k Ω, 600 mA R2 = 820 k Ω VFB2 FB2 reference voltage No load 0.595 0.605 0.615 V Overcurrent protection threshold 2.6 3.3 A Overvoltage protection threshold 0.67 0.75 0.83 V (sensing at FB2 pin) High-side FET VPS = 5 V 100 210 ON resistance Buck m Ω side(3) Low-side FET VPS = 5 V 450 600 ON resistance (1) TA = 25°C (2) Specified by design (3) The value of FET On resistance includes the resistance of bonding wire. 6 Submit Documentation Feedback Copyright © 2007, Texas Instruments Incorporated Product Folder Link(s): TPS65530 |
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