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參數(shù)資料
| 型號(hào)： | SC1183 |
| 廠商： | Semtech Corporation |
| 元件分類： | 基準(zhǔn)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(wú)電容，NMOS管，150mA的低壓差穩(wěn)壓器的反向電流保護(hù) |
| 文件頁(yè)數(shù)： | 6/12頁(yè) |
| 文件大?。?/td> | 130K |
| 代理商： | SC1183 |
PROGRAMMABLE SYNCHRONOUS DC/DC
CONVERTER, DUAL LOW DROPOUT
REGULATOR CONTROLLER
1998 SEMTECH CORP.
August 25, 1998
652 MITCHELL ROAD NEWBURY PARK CA 91320
SC1182/3
6
SETTING LDO OUTPUT VOLTAGE
MATERIALS LIST
Qty. Reference
Part/Description
Vendor
Notes
4
C1,C5,C13,
C18
0.1μF Ceramic
Various
6
C2,C3,C14-
C17
1500μF/6.3V
SANYO
MV-GX or equiv. Low ESR
6
C9-C12,
C21, C22
330μF/6.3V
Various
1
L1
4μH
8 Turns 16AWG on MICROMETALS T50-52D core
4
Q1,Q2,Q3,
Q4
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 Below (Not required for SC1182)
1
R13
1%, 1/8W
Various
See Table Below (Not required for SC1182)
1
R14
1%, 1/8W
Various
See Table Below (Not required for SC1182)
1
R15
1%, 1/8W
Various
See Table Below (Not required for SC1182)
2
R17, R18
100K, 5%, 1/8W
Various
1
U1
SC1182/3CSW
SEMTECH
error
significan
cause
not
does
term
R
I
the
that
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
+
+
=
R
B
R
A
VOUT LDO1 (LDO2)
R12 (R14)
R13 (R15)
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
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| SC1185A | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| SC1185ACSW | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| SC1185CSW | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| SC1185 | Programmable Synchronous DC/DC Converter, Dual LDO Controller(兼有可編程同步DC/DC控制器和雙固定(1.5V和2.5V)輸出低壓差穩(wěn)壓器) |
| SC1186CSW | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC1183CSW | 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 |
| SC1185 | 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 |
| SC1185_05 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Programmable Synchronous DC/DC |
| SC1185A | 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 |
| SC1185ACSW | 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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