LT1371 データシートの表示（PDF） - Linear Technology
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LT1371 Datasheet PDF : 16 Pages
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TYPICAL APPLICATIONS N
LT1371
Positive-to-Negative Converter with Direct Feedback
VIN
2.7V TO 13V
+ C1
100µF
ON
OFF
VIN
S/S
VSW
LT1371
NFB
VC
GND
T1*
D2
24
•
P6KE-15A
D3
1N4148
•
1
3
D1
MBRS330T3
C3
0.0047µF
C2
0.047µF
R1
2k
*COILTRONICS CTX10-4
†MAX IOUT
IOUT VIN
0.6A 3V
1.0A 5V
1.5A 9V
+ C4
100µF
×2
R2
2.49k
1%
–VOUT†
–5V
R3
2.49k
1%
LT1371 • TA03
Dual Output Flyback Converter with Overvoltage Protection
R2
6.19k
1%
R1
68.1k
1%
+ C1
22µF
VIN
2.7V TO 10V
ON
OFF
FB
VIN
S/S
VSW
LT1371
NFB
VC
GND
MBRS360T3
T1*
2, 3
7
P6KE-20A •
+
1N4148
•4
8, 9
10
+
•
1
MBRS360T3
VOUT
15V
C4
47µF
C5
47µF
–VOUT
R4 –15V
12.1k
1%
C3
0.0047µF
C2
0.047µF
R3
2k
*DALE LPE-5047-100MB
R5
2.49k
1%
LT1371 • TA04
2 Li-Ion Cells to 5V SEPIC Converter**
Single Li-Ion Cell to 5V
ON
OFF
+ C1
33µF
20V
VIN
4V TO 9V
VIN
S/S
VSW
LT1371
FB
L1A*
10µH
•
C2
4.7µF
MBRS330T3
R2
18.7k
1%
GND
VC
+
L1B*
10µH
R1
2k
C4
0.047µF
C5
0.0047µF
R3
6.19k
1%
VOUT†
5V
C3
100µF
10V
×2
LT1371 • TA05
C1 = AVX TPSD 336M020R0200
C2 = TOKIN 1E475ZY5U-C304
C3 = AVX TPSD107M010R0100
* SINGLE INDUCTOR WITH TWO WINDINGS
COILTRONICS CTX10-4
** INPUT VOLTAGE MAY BE GREATER OR
LESS THAN OUTPUT VOLTAGE
†MAX IOUT
IOUT VIN
0.85A 4V
1A 5V
1.3A 7V
1.5A 9V
ON
OFF
+ SINGLE + C1**
Li-Ion
100µF
CELL
10V
L1*
VIN
S/S
VSW
LT1371
FB
GND
VC
C2
0.047µF
R3
2k
D1
MBRS320T3
R1
18.7k
1%
VOUT†
5V
+
R2
6.19k
1%
C3
0.0047µF
C4**
100µF
10V
×2
*COILCRAFT DO3316P-103
**AVX TPSD107M010R0100
†MAX IOUT
IOUT VIN
1.2A 2.7V
1.6A 3.3V
1.8A 3.6V
LT1371 • TA06
13
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