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LM2633 Datasheet(PDF) 11 Page - Texas Instruments

Part # LM2633
Description  LM2633 Advanced Two-Phase Synchronous Triple Regulator Controller for Notebook CPUs
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM2633 Datasheet(HTML) 11 Page - Texas Instruments

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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
Resistance
LDRV1 High-Side FET On-
tbd
Resistance
LDRV1 Low-Side FET On-
0.5
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
LDRV2 FET On-Resistance
tbd
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
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