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LM53635MQRNLTQ1 bảng dữ liệu(PDF) 7 Page - Texas Instruments |
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LM53635MQRNLTQ1 bảng dữ liệu(HTML) 7 Page - Texas Instruments |
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7 / 55 page  7 LM53625-Q1, LM53635-Q1 www.ti.com SNVSAA7A – DECEMBER 2015 – REVISED MAY 2016 Product Folder Links: LM53625-Q1 LM53635-Q1 Submit Documentation Feedback Copyright © 2015–2016, Texas Instruments Incorporated (1) This is the current used by the device while not switching, open loop on the ATE. It does not represent the total input current from the regulator system. (2) Ensured by Design, Not tested at production. 7.5 Electrical Characteristics Limits apply over the recommended operating junction temperature range of –40°C to +150°C, unless otherwise noted. Minimum and maximum limits are specified through test, design, or statistical correlation. Typical values represent the most likely parametric norm at Tj = 25°C, and are provided for reference purposes only. Unless otherwise stated the following conditions apply: VIN = 13.5 V. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VFB Initial output voltage accuracy VIN = 3.8 V to 36 V, TJ = 25°C –1% 1% VIN = 3.8 V to 36 V –1.5% 1.5% IQ Operating quiescent current; measured at VIN pin when enabled and not switching(1) VIN = 13.5 V, VBIAS = 5 V 6 µA VIN = 13.5 V, VBIAS = 5 V, TJ = 85°C 16 IB Bias current into BIAS pin, enabled, not switching VIN = 13.5 V, VBIAS = 5 V, FPWM = 0 V 35 µA VIN = 13.5 V, VBIAS = 3.3 V, FPWM = 0 V 35 ISD Shutdown quiescent current; measured at VIN pin EN ≤ 0.4 V, TJ = 25°C 2 µA EN ≤ 0.4 V, TJ = 85°C 3 EN ≤ 0.4V, TJ = 150°C 5 VIN-OPERATE Minimum input voltage to operate Rising 3.2 3.55 3.95 V Falling 2.95 3.25 3.55 Hysteresis 0.28 0.3 0.4 VRESET RESET upper threshold voltage Rising, % of VOUT 105% 107% 110% RESET lower threshold voltage Falling, % VOUT 92% 94% 96.5% Magnitude of RESET lower threshold from steady state output voltage Steady-state output voltage and RESET threshold read at the same TJ and VIN 96% VRESET_HYST RESET hysteresis as a percent of output voltage setpoint ±1 VRESET_VALID Minimum input voltage for proper RESET function 50-µA pullup to RESET pin, EN = 0 V, TJ= 25°C 1.5 V VOL Low level RESET function output voltage 50-µA pullup to RESET pin, VIN =1.5 V, EN = 0 V 0.4 V 0.5-mA pullup to RESET pin, VIN =13.5 V, EN=0 V 0.4 1-mA pullup to RESET pin, VIN =13.5 V, EN=3.3 V 0.4 FSW Switching frequency VIN = 13.5 V, center frequency with spread spectrum, PWM operation 1.85 2.1 2.35 MHz VIN = 13.5 V, without spread spectrum, PWM operation 1.85 2.1 2.35 FSYNC Sync frequency range 1.9 2.1 2.3 MHz DSYNC Sync input duty cycle range High state input < 5.5 V and > 2.3 V 25% 75% VFPWM FPWM input threshold voltage FPWM input high (MODE = FPWM) 1.5 V FPWM input low (MODE = AUTO with diode emulation) 0.4 FPWM input hysteresis 0.15 1 FSSS Frequency span of spread spectrum operation ±3% FPSS Spread-spectrum pattern frequency(2) 9 Hz FSW-SS Switching Frequency while in spread spectrum VIN = 13.5 V, PWM operation 1.81 MHz |
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