Datasheet

16
LT1616
sn1616 1616fs LT/TP 0201 4K • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2000
PART NUMBER DESCRIPTION COMMENTS
LTC
®
1474/LTC1475 0.5A Micropower Step-Down Regulator 10µA I
Q
, 100% Duty Cycle, 8-Lead MSOP Package
LT1676/LT1776 Wide Input Range Step-Down Switching Regulator 60V Input, 0.7A Internal Switch
LTC1701 0.5A Micropower Step-Down in SOT-23 100% Duty Cycle, High Efficiency: Up to 94%
LT1763 500mA, Low Noise, LDO Micropower Regulator 30µA I
Q
, 20µV
RMS
Noise
LT1767 1.5A, 1.4MHz Step-Down DC/DC Converter Higher Current, 8-Lead MSOP Package
LTC1772 Constant Frequency Step-Down Controller in SOT-23 Higher Current, High Efficiency: Up to 94%
LTC1779 0.25A Micropower Step-Down in SOT-23 Lower Current, 100% Duty Cycle
LTC1877 0.6A Synchronous Step-Down Regulator High Efficiency, No Diode Required, 8-Lead MSOP
LT1962 300mA, Low Noise, LDO Micropower Regulator 30µA I
Q
, 20µV
RMS
Noise, 8-Lead MSOP Package
RELATED PARTS
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear-tech.com
TYPICAL APPLICATION
U
V
IN
BOOST
GND FB
SHDN SW
5
V
IN
7.5V TO 25V
4
1
6
•
•
C3
0.01µF
D1
L1A
22µH
23
R2
10k
R1
30.1k
LT1616
D3
C5
1µF
6.3V
C4
10µF
6.3V
C2
10µF
6.3V
1616 TA06
C1
1µF
25V
L1B
22µH
5V
200mA
GND
–5V
100mA
C1: TAIYO-YUDEN TMK316BJ105ML
C2, C4: TAIYO-YUDEN JMK316BJ106ML
C5: TAIYO-TUDEN JMK107BJ105MA
D1, D3: ON SEMICONDUCTOR MBR0530
D2: 1N4148
L1: 22µH 1:1 SUMIDA CLS62-220 OR
COILTRONICS CTX20-1
–5V LOAD SHOULD BE LESS THAN
1/2 5V LOAD, SEE DESIGN NOTE 100
OFF ON
D2
Bipolar Output DC/DC Converter
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