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LM2633 Datasheet(PDF) 11 Page - Texas Instruments |
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LM2633 Datasheet(HTML) 11 Page - Texas Instruments |
11 / 51 page LM2633 www.ti.com SNVS139D – AUGUST 2000 – REVISED MAY 2013 ELECTRICAL CHARACTERISTICS (continued) VCC = +15V unless otherwise indicated under the Conditions column. Typicals and limits appearing in plain type apply for TA = TJ = +25°C. Limits appearing in boldface type apply over 0°C to +125°C. Symbol Parameter Conditions Min Typ(1) Max Units Vlreg_hys Hysteresis of Low 7 %VOUT Regulation Comparator Vpwrbad Regulator Window Detector 85 88 Thresholds (PGOOD from %VOUT See(7) 110 112 119 High to Low) Vpwrgd Regulator Window Detector Thresholds (PGOOD from 90 93 97 %VOUT Low to High) Gate Drive (For Channel 1 Switching Regulator Controller) Iboot1 CBOOT Leakage Current VCBOOT1 = 7V 100 nA HDRV1 Source Current VHDRV1 = VSW1 =0V, VCBOOT1 = 5V 1.2 A HDRV1 Sink Current VHDRV1 = 5V 1.0 A LDRV1 Source Current VLDRV1 = 0V 1.2 A LDRV1 Sink Current VLDRV1 = 5V 2.0 A HDRV1 High-Side FET On- 1.84 Ω Resistance LDRV1 High-Side FET On- tbd Ω Resistance LDRV1 Low-Side FET On- 0.5 Ω Resistance Gate Drive (For Channel 2 Switching Regulator Controller) Iboot2 CBOOT Leakage Current VCBOOT2 = 7V 100 nA HDRV2 Source Current VHDRV2 = VSW2 =0V, VCBOOT2 = 5V tbd A HDRV2 Sink Current VHDRV2 = 5V tbd A LDRV2 Source Current VLDRV2 = 0V tbd A LDRV2 Sink Current VLDRV2 = 5V tbd A HDRV2 FET On-Resistance tbd Ω LDRV2 FET On-Resistance tbd Ω Oscillator Fosc Oscillator Frequency 225 250 275 kHz Toff_min Minimum Off-Time 400 ns Ton_min Minimum On-Time 220 ns Error Amplifier Ifb1 Feedback Input Bias VFB1 = 2.4V 55 µA Current, Channel 1 Ifb2 Feedback Input Bias VFB2 = 1.36V 18 nA Current, Channel 2 Ifb3 Feedback Input Bias VFB3 = 1.36V 70 nA Current, Channel 3 Icomp1, Icomp2 VFB1 = 150% of measured 1.4V DAC, COMP Output Sink Current VFB2 = 150% of measured bandgap, 60 µA VCOMP1 = VCOMP2 = 1V Vcomp_max COMP Pin Maximum tbd 1.96 V Voltage Gm Transconductance 576 µmho (7) This is the same as over-voltage protection threshold. Copyright © 2000–2013, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: LM2633 |
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