LTC3450
12
3450fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2003
RELATED PARTS
TYPICAL APPLICATIO
U
PART NUMBER DESCRIPTION COMMENTS
LT1310 1.5A I
SW
, 4.5MHz, V
IN
: 2.75V to 18V, V
OUT
= 35V, I
Q
= 12mA, I
SD
= <1µA
High Efficiency Step-Up DC/DC Converter MSE Package
LT1613 550mA I
SW
, 1.4MHz, V
IN
: 0.9V to 10V, V
OUT
= 34V, I
Q
= 3mA, I
SD
= <1µA
High Efficiency Step-Up DC/DC Converter ThinSOT Package
LT1615/LT1615-1 300mA/80mA I
SW
, Constant Off-Time, V
IN
: 1.2V to 15V, V
OUT
= 34V, I
Q
= 20µA, I
SD
= <1µA
High Efficiency Step-Up DC/DC Converter ThinSOT Package
LT1940 Dual Output 1.4A I
OUT
, Constant 1.1MHz, V
IN
: 3V to 25V, V
OUT
(MIN) = 1.2V, I
Q
= 2.5mA, I
SD
= <1µA
High Efficiency Step-Down DC/DC Converter TSSOP-16E Package
LT1944 Dual Output 350mA I
SW
, Constant Off-Time, V
IN
: 1.2V to 15V, V
OUT
= 34V, I
Q
= 20µA, I
SD
= <1µA
High Efficiency Step-Up DC/DC Converter MS Package
LT1944-1 Dual Output 150mA I
SW
, Constant Off-Time, V
IN
: 1.2V to 15V, V
OUT
= 34V, I
Q
= 20µA, I
SD
= <1µA
High Efficiency Step-Up DC/DC Converter MS Package
LT1945 Dual Output, Pos/Neg, 350mA I
SW
, Constant Off-Time, V
IN
: 1.2V to 15V, V
OUT
= ±34V, I
Q
= 20µA, I
SD
= <1µA
High Efficiency Step-Up DC/DC Converter MS Package
LT1946/LT1946A 1.5A I
SW
, 1.2MHz/2.7MHz, V
IN
: 2.45V to 16V, V
OUT
= 34V, I
Q
= 3.2mA, I
SD
= <1µA
High Efficiency Step-Up DC/DC Converter MS8 Package
LT1947 Triple Output ( for TFT-LCD) 1.1A I
SW
,V
IN
: 2.7V to 8V, V
OUT
= 34V, I
Q
= 9.5mA, I
SD
= <1µA
3MHz High Efficiency Step-Up DC/DC Converter MS Package
LT1949/LT1949-1 550mA I
SW
, 600kHz/1.1MHz, V
IN
: 1.5V to 12V, V
OUT
= 28V, I
Q
= 4.5mA, I
SD
= <25µA
High Efficiency Step-Up DC/DC Converter S8, MS8 Packages
LTC3400/LTC3400B 600mA I
SW
, 1.2MHz, V
IN
: 0.85V to 5V, V
OUT
= 5V, I
Q
= 19µA/300µA, I
SD
= <1µA
Synchronous Step-Up DC/DC Converter ThinSOT Package
LTC3401 1A I
SW
, 3MHz, Synchronous Step-Up DC/DC Converter V
IN
: 0.5V to 5V, V
OUT
= 5V, I
Q
= 38µA, I
SD
= <1µA, MS Package
LTC3402 2A I
SW
, 3MHz, Synchronous Step-Up DC/DC Converter V
IN
: 0.5V to 5V, V
OUT
= 5V, I
Q
= 38µA, I
SD
= <1µA, MS Package
5.1V, –5V, 15V Triple Output TFT-LCD Supply
CF1
0.1µF
C1
2.2µF
V
IN
1.5V TO
4.6V
L1: SUMIDA CMD4D08-470
AV
DD
5.1V/10mA
VGH (3 × AV
DD
)
15V/500µA
VGL
–5V/500µA
3450 TA03
CF3
0.1µF
CF2
0.1µF
11
78
10
14
13
V2X
V3X
V
INV
V
IN
MODE
SW V
OUT
V
NEG
LTC3450
GND
12
15
16
123
6
5
OFF ON
BLANK SCAN
L1
47µH
4
9
C2
2.2µF
C4
0.47µF
C6
0.1µF
C5
0.1µF
C1
+
C1
–
C2
+
C2
–
SHDN
C3
–
C3
+
LT/TP 0205 1K REV A • PRINTED IN USA