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參數(shù)資料
| 型號： | LM2633MTD |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Advanced Two-Phase Synchronous Triple Regulator Controller for Notebook CPUs |
| 中文描述： | SWITCHING CONTROLLER, 275 kHz SWITCHING FREQ-MAX, PDSO48 |
| 封裝： | TSSOP-48 |
| 文件頁數(shù)： | 13/40頁 |
| 文件大?。?/td> | 1350K |
| 代理商： | LM2633MTD |
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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 40C to +125C.
Symbol
Parameter
Conditions
SYSTEM
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
Gate Drive (For Channel 2 Switching Regulator Controller)
I
boot2
CBOOT Leakage
Current
HDRV2 Source Current
V
HDRV2
= V
SW2
=0V, V
CBOOT2
= 5V
HDRV2 Sink Current
V
HDRV2
= 5V
LDRV2 Source Current
V
LDRV2
= 0V
LDRV2 Sink Current
V
LDRV2
= 5V
HDRV2 FET
On-Resistance
LDRV2 FET
On-Resistance
Oscillator
F
osc
Oscillator Frequency
T
off_min
Minimum Off-Time
T
on_min
Minimum On-Time
Error Amplifier
I
fb1
Feedback Input Bias
Current, Channel 1
Min
Typ
Max
Units
108
112
116
%V
OUT
91.5
%V
OUT
7
%V
OUT
84
88
%V
OUT
(Note 22)
109
112
120
89
93
98
%V
OUT
V
CBOOT1
= 7V
100
nA
1.2
1.0
1.2
2.0
A
A
A
A
1.84
tbd
0.5
V
CBOOT2
= 7V
100
nA
tbd
tbd
tbd
tbd
A
A
A
A
tbd
tbd
225
250
400
220
275
kHz
ns
ns
V
FB1
= 2.4V
55
μA
L
www.national.com
13
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| LM2633MTD/NOPB | 功能描述:IC REG CTRLR 2-PHS SYNC 48TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,000 系列:- 應用:電源，ICERA E400，E450 輸入電壓:4.1 V ~ 5.5 V 輸出數(shù):10 輸出電壓:可編程 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:42-WFBGA，WLCSP 供應商設備封裝:42-WLP 包裝:帶卷 (TR) |
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| LM2635A WAF | 制造商:Texas Instruments 功能描述: |
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