LT1302CS8-5 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LT1302CS8-5
Linear Technology
'LT1302CS8-5' PDF : 16 Pages View PDF
TYPICAL APPLICATIONS
LT1302/LT1302-5
3 Cell to 3.3V Buck-Boost Converter with Auxiliary 12V Regulated Output
10Ω
SHUTDOWN
100k
1%
SHDN
FB
VIN
SW
LT1302
VC
IT
GND PGND
169k
1%
200pF
24k
4700pF
7
6
T1D T1E
4
5
VIN
2.5V-8V
C3
47µF
16V
D2
0.1µF
C1
2
100µF
16V
T1B
9
D1
3
1
T1C T1A
8
10
C2
330µF
6.3V
13V
22µF
25V
IN
OUT
LT1121
SHDN
ADJ
GND
T1 = DALE LPE-6562-A069, 1:3:1:1:1 TURNS RATIO, 10µH PRIMARY. DALE (605) 665-9301
D1, D2 = MOTOROLA MBRS130LT3
C1 = AVX TPSE107016R0100
C2 = AVX TPSE337006R0100
C3 = AVX TPSD476016R0150
3.3V OUTPUT
400mA
12V
120mA
330k
1%
3.3µF
150k
1%
1302 TA05
2 Li-Ion Cell to 5.8V/600mA DC/DC Converter
VIN
4V TO 9V
L1
22µH
10Ω
+ C1 +
100µF
1µF
16V
VIN
SW
IT
FB
LT1302
SHDN
GND
VC
PGND
SHUTDOWN
C2
220µF
10V
+
20k
10nF
365k
1%
100k
1%
L2
22µH
+
MBRS130LT3
VOUT
5.8V
600mA
C3
220µF
10V
L1, L2=COILCRAFT DO3316-223
C1=AVX TPSE107016R0100
C2, C3=AVX TPSE227010R0100
DUTY CYCLE = VOUT
VIN + VOUT
PEAK SWITCH VOLTAGE = VIN + VOUT
1302 TA07
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 its circuits as described herein will not infringe on existing patent rights.
15
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