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參數(shù)資料
| 型號： | SC1162 |
| 廠商： | Semtech Corporation |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| 中文描述： | 無電容，NMOS管，150mA的低壓差穩(wěn)壓器的反向電流保護 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大小： | 125K |
| 代理商： | SC1162 |
PROGRAMMABLE SYNCHRONOUS DC/DC
CONVERTER WITH LOW DROPOUT
REGULATOR CONTROLLER
SC1162/3
1999 SEMTECH CORP.
October 25, 1999
652 MITCHELL ROAD NEWBURY PARK CA 91320
6
MATERIALS LIST
Qty. Reference
Part/Description
Vendor
Notes
4
C1,C5,C13,C
18
0.1μF Ceramic
Various
6
C2,C3,C14-
C17
1500μF/6.3V
SANYO
MV-GX or equiv. Low ESR
3
C11,C12,
C21
330μF/6.3V
Various
1
L1
4μH
8 Turns 16AWG on MICROMETALS T50-52D core
3
Q1,Q2,Q3
See notes
See notes
FET selection requires trade-off between efficiency and
cost. Absolute maximum R
DS(ON)
= 22 m
for Q1,Q2
1
R4
5m
IRC
OAR-1 Series
1
R5
2.32k
, 1%, 1/8W
Various
1
R6
1k
, 1%, 1/8W
Various
1
R1
10
, 5%, 1/8W
Various
1
R12
1%, 1/8W
Various
See Table (Not required for SC1162)
1
R13
1%, 1/8W
Various
See Table (Not required for SC1162)
1
R17
100k, 5%, 1/8W
Various
Required if Voltage is applied to the linear FET without
12V applied to SC1162/3
1
U1
SC1162/3CSW
SEMTECH
SETTING LDO OUTPUT VOLTAGE
R
B
R
A
V
O
LDO
R12
R13
3.45V
105
182
3.30V
105
169
3.10V
102
147
2.90V
100
130
2.80V
100
121
2.50V
100
97.6
1.50V
100
18.7
error
t
significan
cause
not
does
term
)
R
I
that the
so
enough
low
be
must
R
and
R
ion
clarificat
for
diagram
layout
See
resistor
feedback
Bottom
R
resistor
feedback
Top
R
current
bias
pin
Feedback
I
:
Where
)
R
I
R
)
R
R
(
265
.
V
A
FB
B
A
B
A
FB
A
FB
B
B
A
OUT
=
=
=
+
+
=
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SC1162CSW | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:PROGRAMMABLE SYNCHRONOUS DC/DC CONVERTER WITH LOW DROPOUT REGULATOR CONTROLLER |
| SC1163 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:PROGRAMMABLE SYNCHRONOUS DC/DC CONVERTER WITH LOW DROPOUT REGULATOR CONTROLLER |
| SC1163CSW | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:PROGRAMMABLE SYNCHRONOUS DC/DC CONVERTER WITH LOW DROPOUT REGULATOR CONTROLLER |
| SC1164 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:PROGRAMMABLE SYNCHRONOUS DC/DC CONVERTER, DUAL LOW DROPOUT REGULATOR CONTROLLER |
| SC1164CSW | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:PROGRAMMABLE SYNCHRONOUS DC/DC CONVERTER, DUAL LOW DROPOUT REGULATOR CONTROLLER |
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