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LTC1627CS8 Datasheet(PDF) 16 Page - Linear Technology

Part # LTC1627CS8
Description  Monolithic Synchronous Step-Down Switching Regulator
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1627CS8 Datasheet(HTML) 16 Page - Linear Technology

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LTC1627
1627f LT/TP 0199 4K • PRINTED IN USA
TYPICAL APPLICATIONS
© LINEAR TECHNOLOGY CORPORATION 1998
Double Lithium-Ion to 2.5V/0.5A Regulator
CITH
47pF
CSS
0.1
µF
25
µH*
1
2
3
4
8
7
6
5
SYNC/FCB
VDR
VIN
SW
ITH
RUN/SS
VFB
GND
LTC1627
VIN ≤ 8.4V
VOUT
2.5V
0.5A
1627 TA01
+
+
COUT **
100
µF
6.3V
CIN***
22
µF
16V
R2
169k
1%
R1
80.6k
1%
* SUMIDA CD54-250
** AVX TPSC107M006R0150
*** AVX TPSC226M016R0375
***22
µF
6.3V
D1
MBR0520LT1
D2††
ZENER
1.8V
* AVX TPSC226M016R0375
** AVX TPSC107M006R0150
*** AVX TAJA226M006R
VSEC
†††
3.3V
100mA
CITH
47pF
CSS
0.1
µF
R2
100k
1%
1627 TA02
R1
80.6k
1%
VIN ≤ 8.5V
CIN*
22
µF
16V
COUT **
100
µF
6.3V
VOUT
1.8V
0.3A
R4
80.6k
1%
R3
249k
1%
25
µH†
1:1
+
+
+
1
2
3
4
8
7
6
5
SYNC/FCB
VDR
VIN
SW
ITH
RUN/SS
VFB
GND
LTC1627
† COILTRONICS CTX25-1
†† MMSZ4678T1
††† A 10mA MIN LOAD CURRENT
IS RECOMMENDED
Dual Output 1.8V/300mA and 3.3V/100mA Application
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
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®1375/LT1376
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Multiple Output Capability
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Low Quiescent Current Step-Down DC/DC Converters
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LTC1626
Low Voltage, High Efficiency Step-Down DC/DC Converter
Monolithic, Constant Off-Time, IOUT to 600mA,
Low Supply Voltage Range: 2.5V to 6V
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com



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