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LTC1626CS Datasheet(PDF) 12 Page - Linear Technology

Part # LTC1626CS
Description  Low Voltage, High Efficiency Step-Down DC/DC Converter
PDF  12 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1626CS Datasheet(HTML) 12 Page - Linear Technology

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LTC1626
1626f LT/TP 0398 4K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1997
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417q (408)432-1900
FAX: (408) 434-0507qTELEX: 499-3977q www.linear-tech.com
TYPICAL APPLICATIONS
Single Li-Ion to 3.3V Buck-Boost Converter
PART NUMBER
DESCRIPTION
COMMENTS
LTC1174/LTC1174-3.3
High Efficiency Step-Down and Inverting DC/DC Converters
Monolithic Switching Regulators, Burst Mode Operation
LTC1174-5
LTC1265
1.2A, High Efficiency Step-Down DC/DC Converter
Constant Off-Time Monolithic, Burst Mode Operation
LT1375/LT1376
1.5A, 500kHz Step-Down Switching Regulators
High Frequency, Small Inductor, High Efficiency
LTC1435
High Efficiency, Low Noise, Synchronous Step-Down Converter
16-Pin Narrow SO and SSOP
LTC1436/LTC1436-PLL
High Efficiency, Low Noise, Synchronous Step-Down Converters 24-Pin Narrow and 28-Pin SSOP
LTC1438/LTC1439
Dual, Low Noise, Synchronous Step-Down Converters
Multiple Output Capability
LTC1474/LTC1475
Low Quiescent Current Step-Down DC/DC Converters
Monolithic, IQ = 10µA, 8-Pin MSOP
RELATED PARTS
+
+
PWR VIN
CIN
†
100
µF
16V
100
µF†
16V
+
COUT
††
100
µF
10V
RSENSE*
0.1
Ω
VOUT
3.3V
1626 TA05
D1
MBRS130LT1
L1A
33
µH
15k
1%
1k
SINGLE
Li-ION
CELL
* IRC 1206-R100F
† AVX TPSE107M016R0100
†† AVX TPSD107M010R0065
3900pF
9.09k
1%
VIN
(VIN = 2.5V TO 4.2V)
SW
12
L1B
33
µH
4
3
LTC1626
PGND
SGND
SENSE–
SENSE+
SHDN
SHUTDOWN
LBO
ITH
CT
CT
75pF
VFB
LBI
+
0.1
µF
1000pF
100pF
L1A
L1A
4
3
2
TOP VIEW
1
L1B
L1B
MANUFACTURER
PART NO.
COILTRONICS
CTX33-4
DALE
LPT4545-330LA
VIN (V)
I OUT (mA)
2.5
200
3.0
350
3.5
500*
4.0
500*
4.2
500*
*DESIGN LIMIT
+
PWR VIN
CIN
†
100
µF
10V
+
COUT
††
220
µF
10V
RSENSE**
0.1
Ω
1626 TA04
D1
MBRS130LT1
L1*
47
µH
15k
1%
1k
* COILCRAFT DO3316-473
** IRC 1206-R100F
† AVX TPSD107K010
†† AVX TPSE227K010
3900pF
9.09k
1%
VIN
VIN
5V
SW
LTC1626
PGND
SGND
SENSE+
SENSE–
SHDN
SHUTDOWN
LBO
ITH
CT
CT
270pF
VFB
LBI
0.1
µF
1000pF
100pF
VOUT
3.3V
0.5A
5V to 3.3V Converter



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