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LM53603AMPWPR bảng dữ liệu(PDF) 6 Page - Texas Instruments |
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LM53603AMPWPR bảng dữ liệu(HTML) 6 Page - Texas Instruments |
6 / 40 page 6 LM53602, LM53603 SNVSAR0 – NOVEMBER 2016 www.ti.com Product Folder Links: LM53602 LM53603 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated (1) Minimum and maximum limits are 100% production tested at 25°C. Limits over the operating temperature range are verified through correlation using Statistical Quality Control (SQC) methods. Limits are used to calculate Average Outgoing Quality Level (AOQL). (2) This is the input voltage at which the device starts to operate (rising). The device shuts down when the input voltage goes below this value minus the hysteresis. (3) This is the current used by the device, open loop. It does not represent the total input current of the system when in regulation. See Isupply in System Characteristics (4) The FB pin is set to 5.5 V for this test. (5) Below this voltage on the EN input, the device shuts down completely. (6) See the Current Limit section for an explanation of valley current limit. 7.5 Electrical Characteristics Limits apply to the recommended operating junction temperature range of –40°C to 150°C, unless otherwise noted. Minimum and maximum limits are verified 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(1) TYP MAX(1) UNIT VFB Initial reference voltage accuracy for 5-V and 3.3-V options VIN = 3.8 V to 36 V, FPWM, TJ = 25°C –1% 1% VIN = 3.8 V to 36 V, FPWM –1.25% 1.25% VREF Reference voltage for ADJ option VIN = 3.8 V to 36 V, FPWM, TJ = 25°C 0.993 1 1.007 V VIN = 3.8 V to 36 V, FPWM, TJ = –40°C to 125°C 0.99 1 1.01 VIN-operate Minimum input voltage to operate(2) Rising 3.2 3.95 V Falling 2.9 3.55 Hysteresis, below 0.34 IQ Operating quiescent current; measured at VIN pin(3)(4) VBIAS = 5 V, TJ = –40°C to 125°C 8 13 µA ISD Shutdown quiescent current; measured at VIN pin EN ≤ 0.4 V, TJ = 25°C 1.7 µA EN ≤ 0.4 V, TJ = 125°C 3.5 IB Current into the BIAS pin(4) VBIAS = 5 V, FPWM = 3.3 V 47 78 µA IEN Current into EN pin VIN = VEN = 13.5 V 2.3 µA IFB Bias current into FB pin ADJ option 10 nA VRESET RESET upper threshold voltage Rising, % of nominal Vout 105% 107% 110% RESET lower threshold voltage Falling, % of nominal Vout 92% 94% 96.5% RESET lower threshold voltage with respect to output voltage Falling, % actual Vout 94.5% 95.7% VRESET- Hyst RESET hysteresis as a percent of output voltage set point 1.5% VMIN Minimum input voltage for proper RESET function 50-µA pullup to RESET pin, VEN = 0 V, TJ = 25°C 1.5 V VOL Low level RESET pin 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 VEN Enable input threshold voltage Rising 1.7 2 V Hysteresis, below 0.45 0.55 VEN-off Enable input threshold for full shutdown(5) EN input voltage required for complete shutdown of the regulator, falling. 0.8 V VLOGIC Logic input levels on FPWM and SYNC pins VIH 1.5 V VIL 0.4 IHS High-side switch current limit LM53603 4.5 6.2 A LM53602 2.4 4.4 ILS Low-side switch current limit(6) LM53603 3 3.6 4.3 A LM53602 2 2.4 2.8 |
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