LT1930AES5 LINER [Linear Technology], LT1930AES5 Datasheet - Page 12

• Manufacturer Part Number: LT1930AES5
• Description: 1A, 1.2MHz/2.2MHz, Step-Up DC/DC Converters
• Manufacturer: LINER [Linear Technology]

RELATED PARTS
TYPICAL APPLICATIO
PART NUMBER
LT1307
LT1316
LT1317
LT1610
LT1611
LT1613
LT1615
LT1617
LT1931/LT1931A
Burst Mode is a trademark of Linear Technology Corporation.
LT1930/LT1930A
12
CURRENT
LOAD
AC COUPLED
AC COUPLED
50mV/DIV
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
0.5A/DIV
300mA
200mA
V
OUT
I
LI
DESCRIPTION
Single Cell Micropower 600kHz PWM DC/DC Converter
Burst Mode
2-Cell Micropower DC/DC Converter with Low-Battery Detector
Single Cell Micropower DC/DC Converter
Inverting 1.4MHz Switching Regulator in 5-Lead ThinSOT
1.4MHz Switching Regulator in 5-Lead ThinSOT
Micropower Constant Off-Time DC/DC Converter in 5-Lead ThinSOT
Micropower Inverting DC/DC Converter in 5-Lead ThinSOT
Inverting 1.2MHz/2.2MHz Switching Regulator in 5-Lead ThinSOT
3.3V to 5V Transient Response
FAX: [phone] www.linear.com
TM
Operation DC/DC Converter with Programmable Current Limit
20 s/DIV
U
3.3V
V
IN
C1: TAIYO-YUDEN X5R LMK212BJ225MG
C2: TAIYO-YUDEN X5R JMK316B106ML
D1: ON SEMICONDUCTOR MBR0520
L1: MURATA LQH3C2R2M24
SHDN
3.3V to 5V, 450mA Step-Up Converter
C1
2.2 F
4
1930 F03
SHDN
V
IN
5
LT1930A
2.2 H
GND
L1
2
SW
FB
1
3
D1
R1
30.1k
R2
10k
85
80
70
65
60
50
90
75
55
0
COMMENTS
3.3V at 75mA from Single Cell, MSOP Package
1.5V Minimum, Precise Control of Peak Current Limit
3.3V at 200mA from 2 Cells, 600kHz Fixed Frequency
3V at 30mA from 1V, 1.7MHz Fixed Frequency
– 5V at 150mA from 5V Input, ThinSOT Package
5V at 200mA from 3.3V Input, ThinSOT Package
20V at 12mA from 2.5V, ThinSOT Package
–15V at 12mA from 2.5V Input, ThinSOT Package
– 5V at 350mA from 5V input, ThinSOT Package
1930/A TA09a
C2
10 F
V
5V
450mA
OUT
100
LOAD CURRENT (mA)
Efficiency
200
LINEAR TECHNOLOGY CORPORATION 2001
300
1930af LT/TP 0801 2K • PRINTED IN USA
V
V
400
IN
OUT
1930/A TA09b
= 3.3V
= 5V
500