LT1944-1EMS#TR Linear Technology, LT1944-1EMS#TR Datasheet - Page 7
LT1944-1EMS#TR
Manufacturer Part Number
LT1944-1EMS#TR
Description
IC DC/DC CONV STP-UP DUAL 10MSOP
Manufacturer
Linear Technology
Type
Step-Up (Boost)r
Datasheet
1.LT1944-1EMS.pdf
(8 pages)
Specifications of LT1944-1EMS#TR
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
2
Voltage - Output
1.23 ~ 36 V
Current - Output
100mA, 175mA
Voltage - Input
1.2 ~ 15 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
10-MSOP, Micro10™, 10-uMAX, 10-uSOP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Power - Output
-
Frequency - Switching
-
Other names
LT1944-1EMSTR
LT19441EMSTR
LT19441EMSTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TYPICAL APPLICATIO S
PACKAGE DESCRIPTIO
(0.18)
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS.
0.007
* 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
INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
(0.53 0.015)
0.021 0.006
0 – 6 TYP
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.
TO 4.2V
4.7 F
2.7V
V
C1
U
IN
SEATING
PLANE
U
C1, C3: TAIYO YUDEN JMK212BJ475
C2: TAIYO YUDEN TMK316BJ105
D1, D2: CENTRAL SEMI CMDSH-3
L1, L2: MURATA LQH3C220
2
4
Dual Output (5V, 24V) Boost Converter
0.007 – 0.011
(0.17 – 0.27)
GND
SHDN1
SHDN2
V
(Reference LTC DWG # 05-08-1661)
IN
8
3
22 H
PGND
L2
(1.10)
LT1944-1
0.043
10-Lead Plastic MSOP
MAX
22 H
7
L1
PGND
MS10 Package
0.0197
(0.50)
BSC
9
SW1
SW2
FB1
FB2
10
6
1
5
D1
D2
4.7pF
4.7pF
(408) 573-4150
(408) 573-4150
(631) 435-1110
(814) 237-1431
(0.86)
0.034
REF
0.005 0.002
(0.13 0.05)
1M
53.6k
324k
1M
1944-1 TA02
(3.00 0.102)
0.193 0.006
0.118 0.004*
(4.90 0.15)
C3
4.7 F
C2
1 F
24V
1mA
5V
40mA
10
1 2 3 4 5
9
8
7 6
LT1944-1
(3.00 0.102)
0.118 0.004**
MSOP (MS10) 1100
7