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LM60430 Datasheet(PDF) 7 Page - Texas Instruments |
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LM60430 Datasheet(HTML) 7 Page - Texas Instruments |
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7 / 38 page  7 LM60440, LM60430 www.ti.com SNVSBN5A – FEBRUARY 2020 – REVISED JUNE 2020 Product Folder Links: LM60440 LM60430 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated Electrical Characteristics (continued) Limits apply over the operating junction temperature (TJ) range of –40°C to +150°C, unless otherwise stated. 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 = 12 V, VEN = 4 V. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT (4) See Power-Good Flag Output for details. IPEAK-MIN Minimum peak inductor current LM60440 0.86 A IPEAK-MIN Minimum peak inductor current LM60430 0.69 A IZC Zero current detector threshold -0.106 A SOFT START tSS Internal soft-start time 2.9 4.4 6 ms POWER GOOD (PG PIN) VPG-HIGH-UP Power-good upper threshold - rising % of FB voltage 105% 107% 110% VPG-HIGH-DN Power-good upper threshold - falling % of FB voltage 103% 105% 108% VPG-LOW-UP Power-good lower threshold - rising % of FB voltage 92% 94% 97% VPG-LOW-DN Power-good lower threshold - falling % of FB voltage 90% 92% 95% tPG Power-good glitch filter delay(4) 60 170 µs RPG Power-good flag RDSON VIN = 12 V, VEN = 4 V 76 150 Ω VEN = 0 V 35 60 VIN-PG Minimum input voltage for proper PG function 50-µA, EN = 0 V 2 V VPG PG logic low output 50-µA, EN = 0 V, VIN = 2V 0.2 V OSCILLATOR ƒSW Switching frequency "A" version 340 400 460 kHz ƒSW Switching frequency "D" Version 0.85 1 1.15 MHz MOSFETS RDS-ON-HS High-side MOSFET ON- resistance 76 146 mΩ RDS-ON-LS Low-side MOSFET ON- resistance 51 96 mΩ 7.6 Timing Characteristics Limits apply over the operating junction temperature (TJ) range of –40°C to +150°C, unless otherwise stated. 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 = 12 V, VEN = 4 V. MIN NOM MAX UNIT tON-MIN Minimum switch on-time 55 80 ns tOFF-MIN Minimum switch off-time 50 70 ns tON-MAX Maximum switch on-time 7 9 µs |
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