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參數(shù)資料
| 型號： | LT1377IS8#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2.7 A SWITCHING REGULATOR, 1160 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SO-8 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大小： | 193K |
| 代理商： | LT1377IS8#TRPBF |
11
LT1372/LT1377
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of circuits as described herein will not infringe on existing patent rights.
TYPICAL APPLICATIONS N
U
Low Ripple 5V to – 3V “Cuk” Converter
LT1372/LT1377
VIN
S/S
GND
GND S
VSW
NFB
VC
5
4
7
6
8
3
1
+
R4
2k
R2
4.99k
1%
R1
1k
1%
C4
0.047
F
C6
0.1
F
VOUT
–3V
250mA
LT1372 TA05
VIN
5V
C3
47
F
16V
C1
22
F
10V
C2
47
F
16V
C5
0.0047
F
4
1
3
L1*
2
D1**
SUMIDA CLS62-100L
MOTOROLA MBR0520LT3
PATENTS MAY APPLY
*
**
+
Dual Output Flyback Converter with Overvoltage Protection
Positive-to-Negative Converter with Direct Feedback
LT1372/LT1377
VIN
FB
VC
VIN
2.7V TO 13V
1
3
8
5
2
4
6, 7
*DALE LPE-4841-100MB (605) 665-9301
GND
NFB
LT1372 TA04
VSW
S/S
P6KE-20A
1N4148
MBRS140T3
C1
22
F
R2
1.21k
1%
R1
13k
1%
C2
0.047
F
C3
0.0047
F
R3
2k
R5
2.49k
1%
R4
12.1k
1%
–VOUT
–15V
VOUT
15V
C4
47
F
C5
47
F
ON
OFF
2, 3
6, 7
5
T1*
4
8
1
+
LT1372/LT1377
VIN
VC
VIN
2.7V TO 16V
1
3
8
5
4
6, 7
*COILTRONICS CTX10-2 (407) 241-7876
GND
NFB
LT1372 TA03
VSW
S/S
D2
P6KE-15A
D3
1N4148
D1
MBRS130LT3
C1
22
F
C2
0.047
F
C3
0.0047
F
R1
2k
R3
2.49k
1%
R2
2.49k
1%
–VOUT
–5V
C4
47
F
ON
OFF
VIN
3V
5V
9V
IOUT
0.3A
0.5A
0.75A
2
1
4
T1*
3
MAX I
OUT
+
D2
1N4148
Q2
1N5818
D1
1N4148
562
*
20k
DIMMING
10k
330
10
1
2
3
4
5
Q1
10
F
C1
0.1
F
VIN
4.5V
TO 30V
VIN
VSW
VFB
VC
GND
S/S
5
8
4
2
1
6, 7
LT1372/LT1377
2
F
0.1
F
L1
33
H
T1
LT1372 TA06
C1 = WIMA MKP-20
L1 = COILCRAFT DT3316-333
T1 = COILTRONICS CTX 110609
* = 1% FILM RESISTOR
DO NOT SUBSTITUTE COMPONENTS
Q1, Q2 = ZETEX ZTX849 OR ROHM 2SC5001
LAMP
C2
27pF
5mA MAX
2.2
F
2.7V TO
5.5V
22k
1N4148
OPTIONAL REMOTE
DIMMING
COILTRONICS (407) 241-7876
COILCRAFT (708) 639-6400
ON
OFF
CCFL BACKLIGHT APPLICATION CIRCUITS
CONTAINED IN THIS DATA SHEET ARE
COVERED BY U.S. PATENT NUMBER 5408162
AND OTHER PATENTS PENDING
+
90% Efficient CCFL Supply
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