LT1943 LINER [Linear Technology], LT1943 Datasheet - Page 12

• Manufacturer Part Number: LT1943
• Description: High Current Quad Output Regulator for TFT LCD Panels
• Manufacturer: LINER [Linear Technology]

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LT1943
12
PART NUMBER
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LT3464
ThinSOT is a trademark of Linear Technology Corporation.
TYPICAL APPLICATIO
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
V
LOGIC
2.2 F
–10V
50mA
3.3V
1.5A
V
OFF
DESCRIPTION
300mA/80mA (I
Step-Up DC/DC Converters
Dual Output 1.4A (I
Step-Down DC/DC Converter
Dual Output 350mA (I
Step-Up DC/DC Converter
Dual Output, Pos/Neg, 350mA (I
High Efficiency Step-Up DC/DC Converter
1.5mA (I
Step-Up DC/DC Converter
1.1A, 3MHz, TFT-LCD Triple Output Switching Regulator
85mA (I
Converter with Integrated Schottky and Output Disconnect PNP ThinSOT Package
10.0k
FAX: [phone] www.linear.com
80.6k
ZHCS400
22 F
ZHCS400
SW
SW
16.2k
10.0k
CMDSH-3
), Constant Off-Time, High Efficiency Step-Up DC/DC V
), 1.2MHz/2.7MHz, High Efficiency
SW
10pF
4.7 H
), Constant Off-Time, High Efficiency
OUT
U
B230A
2.2nF
SW
0.22 F
100pF
), Constant 1.1MHz, High Efficiency
27.4k
), Constant Off-Time, High Efficiency
0.47 F
10 H
5V Input, Quad Output TFT-LCD Power Supply
4.5V TO 8V
SW
V
IN
), Constant Off-Time,
SW4
NFB4
FB4
BIAS
BOOST
SW1
FB1
VC1
4700pF
100pF
10 F
6.81k
LT1943
V
VC2
IN
SW3
VC3
33 H
30.1k
100pF
1500pF
RUN-SS
PGOOD
SS-234
4.7 H
SGND
SW2
GND
V
VC4
FB2
FB3
ON
C
E3
T
COMMENTS
V
ThinSOT
V
TSSOP-16E Package
V
MS Package
V
MS Package
V
MS Package
V
MS Package
IN
IN
IN
IN
IN
IN
IN
: 1.2V to 15V, V
: 3V to 25V, V
: 1.2V to 15V, V
: 1.2V to 15V, V
: 2.75V to 16V, V
: 2.7V to 8V, V
: 2.3V to 10V, V
100pF
13k
2.2nF
0.015 F
B240A
TM
0.015 F
Package
232k
0.047 F
OUT(MIN)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
2.2 F
10.0k
OUT(MAX)
95.3k
10.0k
10 F
: 1.2V, I
: 34V, I
: 34V, I
: 34V, I
: 34V, I
: 34V, I
LINEAR TECHNOLOGY CORPORATION 2003
: 34V, I
1943 F01
0.47 F
Q
Q
: 2.5mA, I
Q
Q
: 9.5mA, I
Q
: 20 A, I
: 20 A, I
Q
Q
: 25 A, I
LT/TP 0903 1K • PRINTED IN USA
100k
: 20 A, I
: 20 A, I
500mA
V
30V
30mA
AV
13V
ON
DD
FDN360P
SD
SD
SD
SD
SD
SD
SD
: <1 A,
: <1 A,
: <1 A,
: <1 A,
: <0.5 A,
: <1 A,
: <1 A,
1943i