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參數(shù)資料
| 型號(hào)： | LM2633 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Advanced Two-Phase Synchronous Triple Regulator Controller for Notebook CPUs |
| 中文描述： | 先進(jìn)的兩相同步三穩(wěn)壓控制器用于筆記本處理器 |
| 文件頁(yè)數(shù)： | 9/40頁(yè) |
| 文件大?。?/td> | 1350K |
| 代理商： | LM2633 |
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Electrical Characteristics
(Continued)
V
= +15V unless otherwise indicated under the
Conditions
column. Typicals and limits appearing in plain type apply for T
A
= T
J
= +25C. Limits appearing in
boldface
type apply over 0C to +125C.
Symbol
Parameter
Conditions
SYSTEM
V
uvlo_thr
VIN Under-voltage
Lockout (UVLO)
Threshold
V
uvlo_hys
VIN UVLO Hysteresis
V
uvp1
Channel 1 V
OUT
Under-voltage Shutdown
Latch Threshold
(Measured at the FB1)
V
uvp2, 3
Channels 2 and 3 V
OUT
Undervoltage Shutdown
Latch Threshold
(Measured at the FB2
and FB3)
V
ovp1
V
OUT
Overvoltage
Shutdown Latch
Threshold for Channel 1
(Measured at the FB1)
V
ovp2
V
OUT
Overvoltage
Shutdown Latch
Threshold for Channel 2
(Measured at the FB2)
V
lreg_thr
V
OUT
Low Regulation
Comparator Enable
Threshold for Channels
1 and 2
V
lreg_hys
Hysteresis of Low
Regulation Comparator
V
pwrbad
Regulator Window
Detector Thresholds
(PGOOD from High to
Low)
V
pwrgd
Regulator Window
Detector Thresholds
(PGOOD from Low to
High)
Gate Drive (For Channel 1 Switching Regulator Controller)
I
boot1
CBOOT Leakage
Current
HDRV1 Source Current
V
HDRV1
= V
SW1
=0V, V
CBOOT1
= 5V
HDRV1 Sink Current
V
HDRV1
= 5V
LDRV1 Source Current
V
LDRV1
= 0V
LDRV1 Sink Current
V
LDRV1
= 5V
HDRV1 High-Side FET
On-Resistance
LDRV1 High-Side FET
On-Resistance
LDRV1 Low-Side FET
On-Resistance
Min
Typ
Max
Units
Rising Edge
4.2
4.5
V
300
mV
VID4:0 = 01100
73
80
83
%V
OUT
VID4:0 = 01100
76
80
86
%V
OUT
110
114
119
%V
OUT
109
112
115
%V
OUT
91.5
%V
OUT
7
%V
OUT
85
88
%V
OUT
(Note 22)
110
112
119
90
93
97
%V
OUT
V
CBOOT1
= 7V
100
nA
1.2
1.0
1.2
2.0
A
A
A
A
1.84
tbd
0.5
L
www.national.com
9
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