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LT1943EFE#PBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
LT1943
19
1943fa
PACKAGE DESCRIPTIO
U
FE28 (EB) TSSOP 0204
0.09 – 0.20
(.0035 – .0079)
0° – 8°
0.25
REF
0.50 – 0.75
(.020 – .030)
4.30 – 4.50*
(.169 – .177)
134
5
6
7
8910
11
12 13 14
192022 21 151618 17
9.60 – 9.80*
(.378 – .386)
4.75
(.187)
2.74
(.108)
28 2726 25 24 23
1.20
(.047)
MAX
0.05 – 0.15
(.002 – .006)
0.65
(.0256)
BSC
0.195 – 0.30
(.0077 – .0118)
TYP
2
RECOMMENDED SOLDER PAD LAYOUT
EXPOSED
PAD HEAT SINK
ON BOTTOM OF
PACKAGE
0.45 ±0.05
0.65 BSC
4.50 ±0.10
6.60 ±0.10
1.05 ±0.10
4.75
(.187)
2.74
(.108)
MILLIMETERS
(INCHES)
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.150mm (.006") PER SIDE
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
SEE NOTE 4
4. RECOMMENDED MINIMUM PCB METAL SIZE
FOR EXPOSED PAD ATTACHMENT
6.40
(.252)
BSC
FE Package
28-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1663)
Exposed Pad Variation EB
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
LT1943
20
1943fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2003
LT/LT 0405 REV A • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LT1615/LT1615-1 300mA/80mA (I
SW
), Constant Off-Time, High Efficiency V
IN
: 1.2V to 15V, V
OUT(MAX)
: 34V, I
Q
: 20µA, I
SD
: <1µA,
Step-Up DC/DC Converters ThinSOT
TM
Package
LT1940 Dual Output 1.4A (I
OUT
), Constant 1.1MHz, High Efficiency V
IN
: 3V to 25V, V
OUT(MIN)
: 1.2V, I
Q
: 2.5mA, I
SD
: <1µA,
Step-Down DC/DC Converter TSSOP-16E Package
LT1944/LT1944-1 Dual Output 350mA (I
SW
), Constant Off-Time, High Efficiency V
IN
: 1.2V to 15V, V
OUT(MAX)
: 34V, I
Q
: 20µA, I
SD
: <1µA,
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(MAX)
: ±34V, I
Q
: 20µA, I
SD
: <1µA,
High Efficiency Step-Up DC/DC Converter MS Package
LT1946/LT1946A 1.5mA (I
SW
), 1.2MHz/2.7MHz, High Efficiency V
IN
: 2.75V to 16V, V
OUT(MAX)
: 34V, I
Q
: 20µA, I
SD
: <1µA,
Step-Up DC/DC Converter MS Package
LT1947 1.1A, 3MHz, TFT-LCD Triple Output Switching Regulator V
IN
: 2.7V to 8V, V
OUT(MAX)
: 34V, I
Q
: 9.5mA, I
SD
: <1µA,
MS Package
LT3464 85mA (I
SW
), Constant Off-Time, High Efficiency Step-Up DC/DC V
IN
: 2.3V to 10V, V
OUT(MAX)
: 34V, I
Q
: 25µA, I
SD
: <0.5µA,
Converter with Integrated Schottky and Output Disconnect PNP ThinSOT Package
ThinSOT is a trademark of Linear Technology Corporation.
TYPICAL APPLICATIO
U
5V Input, Quad Output TFT-LCD Power Supply
V
C2
V
C3
SW4
NFB4
FB4
BIAS
BOOST
SW1
FB1
V
C1
SW2
FB2
RUN-SS
SS-234
C
T
V
ON
E3
FB3
GND
LT1943
V
IN
SW3
4.7k
7.5k
30k
4700pF2.7nF
1500pF
100pF
100pF
100pF
16.5k
10.0k
10.0k
80.6k
232k
10.0k
10pF
10.0k
4.7µH
0.22µF
10V X5R
CMDSH-3
V
LOGIC
3.3V
1.5A
10µF
10V
X5R
ZHCS400
ZHCS400
B240A
V
OFF
–10V
50mA
68µH
4.7µH
10µH
95.3k
100k
Si2343DS
10µF
16V
X5R
2.2µF
35V
X5R
0.47µF
35V
X5R
13k
2.2nF
100pF
AV
DD
13V
500mA
V
ON
30V
20mA
1943 TA03
2.2µF
10V
X5R
V
IN
4.5V TO 8V
22µF
10V
X5R
0.015µF
0.015µF
0.047µF
B230A
V
C4
SGND
PGOOD
0.47µF
16V
X5R
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

LT1943EFE#PBF

Mfr. #:
Buy LT1943EFE#PBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators Hi C 4x Out Reg for TFT LCD Panels
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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