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LT1614CS8 Datasheet(PDF) 16 Page - Linear Technology

Part # LT1614CS8
Description  Inverting 600kHz Switching Regulator
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1614CS8 Datasheet(HTML) 16 Page - Linear Technology

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LT1614
©LINEAR TECHNOLOGY CORPORATION 1998
sn1614 1614fs LT/TP 1000 4K • PRINTED IN THE USA
PART NUMBER
DESCRIPTION
COMMENTS
LTC
®1174
High Efficiency Step-Down and Inverting DC/DC Converter
Selectable IPEAK = 300mA or 600mA
LT1307
Single Cell Micropower 600kHz PWM DC/DC Converter
3.3V at 75mA from 1 Cell, MSOP Package
LT1308
Single Cell High Current Micropower 600kHz Boost Converter
5V at 1A from a Single Li-Ion Cell, SO-8 Package
LT1316
Micropower Boost DC/DC Converter
Programmable Peak Current Limit, MSOP Package
LT1317
Micropower 600kHz PWM DC/DC Converter
2 Cells to 3.3V at 200mA, MSOP Package
LTC1474
Low Quiescent Current High Efficiency DC/DC Converter
IQ = 10µA, Programmable Peak Current Limit, MSOP
LT1610
1.7MHz Single Cell Micropower DC/DC Converter
5V at 200mA from 3.3V, MSOP Package
LT1611
Inverting 1.4MHz Switching Regulator in 5-Lead SOT-23
– 5V at 150mA from 5V Input, Tiny SOT-23 Package
LT1613
1.4MHz Switching Regulator in 5-Lead SOT-23
5V at 200mA from 3.3V Input, Tiny SOT-23 Package
LT1615
Micropower Constant Off-Time DC/DC Converter in 5-Lead SOT-23
20V at 12mA from 2.5V, Tiny SOT-23 Package
LT1617
Micropower Inverting DC/DC Converter in 5-Lead SOT-23
–15V at 12mA from 2.5V, Tiny SOT-23 Package
LT1930
1.2MHz Boost DC/DC Converter in 5-Lead SOT-23
5V at 480mA from 3.3V Input, VOUT Up to 34V
LT1931
1.2MHz Inverting DC/DC Converter in 5-Lead SOT-23
–5V at 350mA from 5V Input, 1mVP-P Output Ripple
RELATED PARTS
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
VIN
SW
LT1614
L1
22
µH
VIN
3V TO 5V
D1
NFB
SHDN
69.8k
24.9k
100k
1nF
VOUT
–5V
200mA
C1: TAIYO YUDEN LMK316BJ475ML
C2: TAIYO YUDEN JMK316BJ106ML
C3: TAIYO YUDEN EMK316BJ105MF
D1: MOTOROLA MBR0520
L1, L2: MURATA LQH3C220 OR SUMIDA CD43-220
1614 TA07
C1
4.7
µF
C2
10
µF
VC
GND
L2
22
µH
C3
1
µF
1nF
LOAD CURRENT (mA)
1
1614 TA08
10
100
80
75
70
65
60
55
50
45
40
VIN = 3V
VOUT = –5V
5V to – 5V Converter Uses All Ceramic Capacitors
Efficiency vs Load Current
TYPICAL APPLICATIO S



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