lt3473a Linear Technology Corporation, lt3473a Datasheet - Page 12

• Manufacturer Part Number: lt3473a
• Description: Micropower 1a Boost Converter With Schottky And Output Disconnect
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIO
LT3473/LT3473A
RELATED PARTS
PART NUMBER
LT1613
LT1615/LT1615-1
LT1930/LT1930A
LT1935
LT1945
LT1946/LT1946A
LTC
LT3461/LT3461A
LT3463/LT3463A
LT3464
LT3467/LT3467A
LT3471
LT3479
ThinSOT is a trademark of Linear Technology Corporation.
12
3V TO 4.2V
®
3436
4.7µF
V
IN
C
IN
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
C
C
C
L1: TOKO A915AY-6R8M (TYPE D53LC)
IN
INT
OUT
: TAIYO YUDEN JMK107BJ475
100nF
L1 6.8µH
: TAIYO YUDEN GMK212BJ474
: TAIYO YUDEN GMK325BJ225
20k
DESCRIPTION
550mA (I
DC/DC Converter
300mA/80mA (I
DC/DC Converter
1A (I
DC/DC Converter
2A (I
DC/DC Converter with Integrated Soft-Start
Dual Output, Boost/Inverter, 350mA (I
Off-Time, High Efficiency Step-Up DC/DC Converter
1.5A (I
DC/DC Converter
3A (I
300mA (I
DC/DC Converter with Integrated Schottky Diode
Dual Output, Boost/Inverter, 250mA (I
Off-Time, High Efficiency Step-Up DC/DC Converters
with Integrated Schottkys
85mA (I
with Integrated Schottky and PNP Disconnect
1.1A (I
DC/DC Converter with Soft-Start
Dual Output, Boost/Inverter, 1.3A (I
High Efficiency Boost-Inverting DC/DC Converter
3A (I
100k
●
SW
SW
SW
SW
FAX: [phone]
SW
SW
), 1.2MHz/2.2MHz, High Efficiency Step-Up
), 1.2MHz, High Efficiency Step-Up
), 1MHz, 34V Step-Up DC/DC Converter
), 3.5MHz, 42V Step-Up DC/DC Converter
PGOOD
CTRL
SW
V
SHDN
SW
OLED Bias
IN
SW
SW
), 1.2MHz/2.7MHz, High Efficiency Step-Up
), 1.3MHz/2.1MHz, High Efficiency Step-Up
), High Efficiency Step-Up DC/DC Converter V
), 1.4MHz, High Efficiency Step-Up
), 1.3MHz/3MHz High Efficiency Step-Up
LT3473
GND
SW
), High Efficiency Step-Up
OUT
CAP
U
FB
●
www.linear.com
2M
100k
C
2.2µF
OUT
3473 TA02a
SW
C
0.47µF
SW
SW
INT
), 1.2MHz,
V
25V
80mA
OUT
), Constant
), Constant
COMMENTS
V
ThinSOT
V
V
ThinSOT Package
V
ThinSOT Package
V
10-Lead MS Package
V
V
TSSOP-16E Package
V
ThinSOT Package
V
ThinSOT Package
V
ThinSOT Package
V
V
DFN, TSSOP-16E Packages
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
: 0.9V to 10V, V
: 1V to 15V, V
: 2.6V to 16V, V
: 2.3V to 16V, V
: 1.2V to 15V, V
: 2.45V to 16V, V
: 3V to 25V, V
: 2.5V to 16V, V
: 2.3V to 15V, V
: 2.3V to 10V, V
: 2.4V to 16V, V
: 2.4V to 16V, V
: 2.5V to 24V, V
TM
Package
60
80
75
70
65
55
OUT(MAX)
OUT(MAX)
0
V
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
IN
OUT(MAX)
= 3.6V
20
= 34V, I
= 34V, I
LOAD CURRENT I
= 34V, I
= 34V, I
= 38V, I
= ±34V, I
= 38V, I
= ±40V, I
= 34V, I
= 40V, I
= ±40V, I
= 40V, I
= 34V, I
V
Efficiency
OUT
40
V
OUT
Q
Q
= 25V
Q
= 20µA, I
Q
Q
= 0.9mA, I
Q
Q
Q
Q
© LINEAR TECHNOLOGY CORPORATION 2005
Q
Q
Q
Q
= 20V
= 3mA, I
= 4.2mA/5.5mA, I
= 3mA, I
= 2.8mA, I
= 25µA, I
= 1.2mA, I
= 5mA, I
= 40µA, I
= 3.2mA, I
= 40µA, I
= 2.5mA, I
60
O
LT/TP 0205 1K • PRINTED IN THE USA
(mA)
SD
SD
SD
SD
SD
V
SD
OUT
< 1µA, ThinSOT Package
SD
SD
80
SD
SD
< 1µA,
< 1µA,
< 6µA,
< 1µA,
SD
SD
< 1µA,
< 1µA, DFN Package
= 15V
3473 TA02b
< 1µA,
< 1µA,
< 1µA,
< 1µA, MS8 Package
< 1µA, DFN Package
100
SD
< 1µA,
3473f