LT1302CS8#TR Linear Technology, LT1302CS8#TR Datasheet - Page 13
LT1302CS8#TR
Manufacturer Part Number
LT1302CS8#TR
Description
IC DC/DC CONV STEP-UP ADJ 8-SOIC
Manufacturer
Linear Technology
Type
Step-Up (Boost)r
Datasheet
1.LT1302CS8-5PBF.pdf
(16 pages)
Specifications of LT1302CS8#TR
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
2 ~ 12 V
Current - Output
120mA
Frequency - Switching
220kHz
Voltage - Input
2 ~ 8 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Power - Output
700mW
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
Q1747288
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
APPLICATIONS
As an example, consider a boost converter with the
following specifications:
Total power loss in the LT1302, assuming R = 0.15 and
V
Using the CS8 package with 100 sq. mm topside and
backside heat sinking:
With the N8 package:
At a 70 C ambient, die temperature would be 101.2 C.
D
V
V
I
P
= 0.45V, is:
OUT
D
IN
OUT
T = (312mW)(84 C/W) = 25.9 C rise
T = 31.2 C
223
= 3V
= 700mA
= 6V
700
mW
mA
89
2
mW
0 15
U
INFORMATION
312
U
mW
3
0 7 6 0 15
6 0 45
W
3
U
2
3
0 7 6 0 15
6 0 45
3
0 7 6 0 45 3
27
LT1302/LT1302-5
13