LT1944-1EMS#TRPBF

7
LT1944-1
TYPICAL APPLICATIO S
U
Dual Output (5V, 24V) Boost Converter
PACKAGE DESCRIPTIO
U
MSOP (MS10) 1100
* DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH,
PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
0.021
± 0.006
(0.53 ± 0.015)
0
° – 6° TYP
SEATING
PLANE
0.007
(0.18)
0.043
(1.10)
MAX
0.007 – 0.011
(0.17 – 0.27)
0.005
± 0.002
(0.13 ± 0.05)
0.034
(0.86)
REF
0.0197
(0.50)
BSC
12
3
45
0.193 ± 0.006
(4.90 ± 0.15)
8910
7
6
0.118 ± 0.004*
(3.00 ± 0.102)
0.118 ± 0.004**
(3.00 ± 0.102)
MS10 Package
10-Lead Plastic MSOP
(Reference LTC DWG # 05-08-1661)
V
IN
SW1
FB2
LT1944-1
4
3
L1
22µH
D1
SHDN2
53.6k
1M
C2
1µF
24V
1mA
5V
40mA
V
IN
2.7V
TO 4.2V
C1, C3: TAIYO YUDEN JMK212BJ475
C2: TAIYO YUDEN TMK316BJ105
D1, D2: CENTRAL SEMI CMDSH-3
L1, L2: MURATA LQH3C220
(408) 573-4150
(408) 573-4150
(631) 435-1110
(814) 237-1431
1944-1 TA02
GND
7
PGND
9
PGND
6
810
SW2
4.7pF
C1
4.7µF
FB1
2
5
1
SHDN1
L2
22µH
D2
1M
324k
4.7pF
C3
4.7µF
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.
8
LT1944-1
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2001
19441f LT/TP 0801 2K • PRINTED IN USA
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PART NUMBER DESCRIPTION COMMENTS
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TM
Operation DC/DC with Programmable Current Limit 1.5V Minimum, Precise Control of Peak Current Limit
LT1317 2-Cell Micropower DC/DC with Low-Battery Detector 3.3V at 200mA from Two Cells, 600kHz Fixed Frequency
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LT1611 1.4MHz Inverting Switching Regulator in 5-Lead ThinSOT 5V at 150mA from 5V Input, Tiny ThinSOT Package
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Burst Mode is a trademark of Linear Technology Corporation
Four Output Power Supply (±5V, ±15V)
V
IN
SW2
FB1
LT1944-1
2
3
L1
22µH
D1
SHDN1
324k
1M
C2
4.7µF
5V
20mA
15V
2mA
–15V
2mA
–5V
20mA
V
IN
2.7V
TO 4.2V
1944-1 TA03
GND
7
PGND
9
PGND
10
86
SW1
4.7pF
C1
4.7µF
FB2
4
1
5
SHDN2
L2
22µH
D2
D3
D4
D6
D5
2M
178k
C3
1µF
4.7pF
C1, C2, C7: TAIYO YUDEN JMK212BJ475
C3, C4: TAIYO YUDEN EMK212BJ105
C5, C6: TAIYO YUDEN EMK107BJ104
D1, D2, D3, D4, D5, D6: CENTRAL SEMI CMDSH3
L1, L2: MURATA LQH3C220
C5
0.1µF
C6
0.1µF
C7
4.7µF
C4
1µF
U
TYPICAL APPLICATIO

LT1944-1EMS#TRPBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 2x uP Boost DC/DC Conv
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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