lm2633mtd National Semiconductor Corporation, lm2633mtd Datasheet - Page 13

• Manufacturer Part Number: lm2633mtd
• Description: Advanced Two-phase Synchronous Triple Regulator Controller For Notebook Cpus
• Manufacturer: National Semiconductor Corporation

SYSTEM
V
V
V
V
V
Gate Drive (For Channel 1 Switching Regulator Controller)
I
Gate Drive (For Channel 2 Switching Regulator Controller)
I
Oscillator
F
T
T
Error Amplifier
I
boot1
boot2
fb1
Electrical Characteristics
osc
off_min
on_min
ovp2
lreg_thr
lreg_hys
pwrbad
pwrgd
V
= T
Symbol
CC
J
= +15V unless otherwise indicated under the Conditions column. Typicals and limits appearing in plain type apply for T
= +25˚C. Limits appearing in boldface type apply over −40˚C to +125˚C.
V
Shutdown Latch
Threshold for Channel 2
(Measured at the FB2)
V
Comparator Enable
Threshold for Channels
1 and 2
Hysteresis of Low
Regulation Comparator
Regulator Window
Detector Thresholds
(PGOOD from High to
Low)
Regulator Window
Detector Thresholds
(PGOOD from Low to
High)
CBOOT Leakage
Current
HDRV1 Source Current
HDRV1 Sink Current
LDRV1 Source Current
LDRV1 Sink Current
HDRV1 High-Side FET
On-Resistance
LDRV1 High-Side FET
On-Resistance
LDRV1 Low-Side FET
On-Resistance
CBOOT Leakage
Current
HDRV2 Source Current
HDRV2 Sink Current
LDRV2 Source Current
LDRV2 Sink Current
HDRV2 FET
On-Resistance
LDRV2 FET
On-Resistance
Oscillator Frequency
Minimum Off-Time
Minimum On-Time
Feedback Input Bias
Current, Channel 1
OUT
OUT
Overvoltage
Low Regulation
Parameter
(Note 22)
V
V
V
V
V
V
V
V
V
V
V
CBOOT1
HDRV1
HDRV1
LDRV1
LDRV1
CBOOT2
HDRV2
HDRV2
LDRV2
LDRV2
FB1
(Continued)
= 2.4V
= 0V
= 5V
= 0V
= 5V
= V
= 5V
= V
= 5V
= 7V
= 7V
SW1
SW2
Conditions
=0V, V
=0V, V
13
CBOOT1
CBOOT2
= 5V
= 5V
Min
108
109
225
84
89
91.5
1.84
Typ
112
112
100
100
250
400
220
1.2
1.0
1.2
2.0
tbd
0.5
tbd
tbd
tbd
tbd
tbd
tbd
88
93
55
7
Max
116
120
275
98
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%V
%V
%V
%V
%V
Units
kHz
nA
nA
µA
ns
ns
A
A
A
A
A
A
A
A
OUT
OUT
OUT
OUT
OUT
A