LT1947EMS#TR Linear Technology, LT1947EMS#TR Datasheet - Page 2
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LT1947EMS#TR
Manufacturer Part Number
LT1947EMS#TR
Description
IC SW REG TFT-LCD TRPL ADJ10MSOP
Manufacturer
Linear Technology
Datasheet
1.LT1947EMSPBF.pdf
(12 pages)
Specifications of LT1947EMS#TR
Applications
Converter, TFT, LCD
Voltage - Input
2.7 ~ 8 V
Number Of Outputs
3
Voltage - Output
Adjustable up to 30V
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
Other names
LT1947EMSTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
ABSOLUTE AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
ELECTRICAL CHARACTERISTICS
LT1947
(Note 1)
V
C
SW1, SW2 Voltage .................................................. 36V
V
Consult LTC Marketing for parts specified with wider operating temperature ranges.
temperature range, otherwise specifications are at T
SYMBOL
Input Voltage Range
Supply Current
FB1 Voltage
FB2 Voltage
Reference Line Regulation
2
Order Options Tape and Reel: Add #TR, Lead Free: Add #PBF, Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
IN
T
ON
Voltage.................................................................. 6V
SW1
GND
Voltage ................................................................ 8V
FB1
FB2
, V
C
EXPOSED PAD (PIN 11) IS GND
MUST BE SOLDERED TO PCB
T
T
O2
10-LEAD PLASTIC MSOP
JMAX
1
2
3
4
5
Voltage ..................................................... 30V
MSE PACKAGE
= 125°C, θ
TOP VIEW
11
JA
= 40°C/W
W
http://www.linear.com/leadfree/
10
9
8
7
6
V
V
SHDN
SW2
V
ON
02
IN
W W
U
CONDITIONS
SHDN = 2.4V
SHDN = 0V
V
IN
MSE PART MARKING
= 2.7V to 8V
ORDER PART
LT1947EMSE
W
NUMBER
LTBQW
U
A
= 25°C. V
The
U
●
IN
denotes the specifications which apply over the full operating
= 3.3V, V
FB1, FB2 .................................................................... 3V
SHDN......................................................................... 8V
Operating Temperature Range (Note 2) .. – 40°C to 85°C
Lead Temperature (Soldering, 10 sec).................. 300°C
SW1
GND
FB1
FB2
C
T
SHDN
10-LEAD PLASTIC MSOP
T
1
2
3
4
5
JMAX
MS PACKAGE
= 125°C, θ
= 3.3V unless otherwise specified.
TOP VIEW
JA
= 120°C/W
10
9
8
7
6
V
V
SHDN
SW2
V
ON
O2
IN
●
●
1.240
1.225
1.225
1.210
MIN
2.7
MS PART MARKING
1.26
1.26
0.01
TYP
ORDER PART
9.5
LT1947EMS
NUMBER
LTUE
1.280
1.295
1.295
1.310
MAX
12.5
0.05
8
1
UNITS
1947fa
%/V
mA
µA
V
V
V
V
V