LT1614CMS8 Linear Technology, LT1614CMS8 Datasheet - Page 16

• Manufacturer Part Number: LT1614CMS8
• Description: IC SW REG INVERTING 600KHZ 8MSOP
• Manufacturer: Linear Technology
• Type: Invertingr

Specifications of LT1614CMS8

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adj to -24V
• Current - Output: 500mA
• Frequency - Switching: 600kHz
• Voltage - Input: 0.92 ~ 5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

LT1614
RELATED PARTS
16
TYPICAL APPLICATIO S
PART NUMBER
LTC
LT1307
LT1308
LT1316
LT1317
LTC1474
LT1610
LT1611
LT1613
LT1615
LT1617
LT1930
LT1931
®
1174
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
DESCRIPTION
High Efficiency Step-Down and Inverting DC/DC Converter
Single Cell Micropower 600kHz PWM DC/DC Converter
Single Cell High Current Micropower 600kHz Boost Converter
Micropower Boost DC/DC Converter
Micropower 600kHz PWM DC/DC Converter
Low Quiescent Current High Efficiency DC/DC Converter
1.7MHz Single Cell Micropower DC/DC Converter
Inverting 1.4MHz Switching Regulator in 5-Lead SOT-23
1.4MHz Switching Regulator in 5-Lead SOT-23
Micropower Constant Off-Time DC/DC Converter in 5-Lead SOT-23
Micropower Inverting DC/DC Converter in 5-Lead SOT-23
1.2MHz Boost DC/DC Converter in 5-Lead SOT-23
1.2MHz Inverting DC/DC Converter in 5-Lead SOT-23
3V TO 5V
V
IN
U
C1: TAIYO YUDEN LMK316BJ475ML
C2: TAIYO YUDEN JMK316BJ106ML
C3: TAIYO YUDEN EMK316BJ105MF
D1: MOTOROLA MBR0520
L1, L2: MURATA LQH3C220 OR SUMIDA CD43-220
5V to – 5V Converter Uses All Ceramic Capacitors
C1
4.7 F
100k
1nF
80
75
70
65
60
55
50
45
40
1
SHDN
V
V
V
V
C
IN
OUT
IN
Efficiency vs Load Current
= 3V
LT1614
= –5V
22 H
GND
L1
LOAD CURRENT (mA)
SW
NFB
10
1 F
C3
1nF
69.8k
24.9k
1614 TA08
COMMENTS
Selectable I
3.3V at 75mA from 1 Cell, MSOP Package
5V at 1A from a Single Li-Ion Cell, SO-8 Package
Programmable Peak Current Limit, MSOP Package
2 Cells to 3.3V at 200mA, MSOP Package
I
5V at 200mA from 3.3V, MSOP Package
– 5V at 150mA from 5V Input, Tiny SOT-23 Package
5V at 200mA from 3.3V Input, Tiny SOT-23 Package
20V at 12mA from 2.5V, Tiny SOT-23 Package
–15V at 12mA from 2.5V, Tiny SOT-23 Package
5V at 480mA from 3.3V Input, V
–5V at 350mA from 5V Input, 1mV
100
Q
= 10 A, Programmable Peak Current Limit, MSOP
D1
22 H
L2
PEAK
= 300mA or 600mA
1614 TA07
sn1614 1614fs LT/TP 1000 4K • PRINTED IN THE USA
C2
10 F
V
– 5V
200mA
OUT
LINEAR TECHNOLOGY CORPORATION 1998
OUT
P-P
Up to 34V
Output Ripple