LTC3450 Datasheet, PDF (12/12 Pages) Linear Technology – Triple Output Power Supply for Small TFT-LCD Displays

LTC3450
TYPICAL APPLICATIO
V_IN
1.5V TO
4.6V
5.1V, – 5V, 15V Triple Output TFT-LCD Supply
L1
47µH
C1
2.2µF
BLANK SCAN
OFF ON
8
7
6
SW
V_IN
V_OUT
C1
+
11
C1^{– 10}
4 _MODE
V2X ¹²
LTC3450 C2^{+ 14}
5 _SHDN
C2^{– 13}
15
V3X
9
16
GND
V_INV
V_NEG C3^– C3⁺
3 21
CF1
0.1µF
C2
2.2µF
CF2
0.1µF
L1: SUMIDA CMD4D08-470
CF3
0.1µF
AV_DD
5.1V/10mA
C4
0.47µF
VGH (3 × AV_DD)
15V/500µA
C6
0.1µF
C5
0.1µF
VGL
–5V/500µA
3450 TA03
RELATED PARTS
PART NUMBER
LT1310
LT1613
LT1615/LT1615-1
LT1940
LT1944
LT1944-1
LT1945
LT1946/LT1946A
LT1947
LT1949/LT1949-1
LTC3400/LTC3400B
LTC3401
LTC3402
DESCRIPTION
1.5A I_SW, 4.5MHz,
High Efficiency Step-Up DC/DC Converter
550mA I_SW, 1.4MHz,
High Efficiency Step-Up DC/DC Converter
300mA/80mA I_SW, Constant Off-Time,
High Efficiency Step-Up DC/DC Converter
Dual Output 1.4A I_OUT, Constant 1.1MHz,
High Efficiency Step-Down DC/DC Converter
Dual Output 350mA I_SW, Constant Off-Time,
High Efficiency Step-Up DC/DC Converter
Dual Output 150mA I_SW, Constant Off-Time,
High Efficiency Step-Up DC/DC Converter
Dual Output, Pos/Neg, 350mA I_SW, Constant Off-Time,
High Efficiency Step-Up DC/DC Converter
1.5A I_SW, 1.2MHz/2.7MHz,
High Efficiency Step-Up DC/DC Converter
Triple Output ( for TFT-LCD) 1.1A I_SW,
3MHz High Efficiency Step-Up DC/DC Converter
550mA I_SW, 600kHz/1.1MHz,
High Efficiency Step-Up DC/DC Converter
600mA I_SW, 1.2MHz,
Synchronous Step-Up DC/DC Converter
1A I_SW, 3MHz, Synchronous Step-Up DC/DC Converter
2A I_SW, 3MHz, Synchronous Step-Up DC/DC Converter
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^q FAX: [phone] ^q www.linear.com
COMMENTS
V_IN: 2.75V to 18V, V_OUT = 35V, I_Q = 12mA, I_SD = <1µA
MSE Package
V_IN: 0.9V to 10V, V_OUT = 34V, I_Q = 3mA, I_SD = <1µA
ThinSOT Package
V_IN: 1.2V to 15V, V_OUT = 34V, I_Q = 20µA, I_SD = <1µA
ThinSOT Package
V_IN: 3V to 25V, V_OUT (MIN) = 1.2V, I_Q = 2.5mA, I_SD = <1µA
TSSOP-16E Package
V_IN: 1.2V to 15V, V_OUT = 34V, I_Q = 20µA, I_SD = <1µA
MS Package
V_IN: 1.2V to 15V, V_OUT = 34V, I_Q = 20µA, I_SD = <1µA
MS Package
V_IN: 1.2V to 15V, V_OUT = ±34V, I_Q = 20µA, I_SD = <1µA
MS Package
V_IN: 2.45V to 16V, V_OUT = 34V, I_Q = 3.2mA, I_SD = <1µA
MS8 Package
V_IN: 2.7V to 8V, V_OUT = 34V, I_Q = 9.5mA, I_SD = <1µA
MS Package
V_IN: 1.5V to 12V, V_OUT = 28V, I_Q = 4.5mA, I_SD = <25µA
S8, MS8 Packages
V_IN: 0.85V to 5V, V_OUT = 5V, I_Q = 19µA/300µA, I_SD = <1µA
ThinSOT Package
V_IN: 0.5V to 5V, V_OUT = 5V, I_Q = 38µA, I_SD = <1µA, MS Package
V_IN: 0.5V to 5V, V_OUT = 5V, I_Q = 38µA, I_SD = <1µA, MS Package
3450f
LT/TP 1203 1K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2003