t6309a TM Technology Inc., t6309a Datasheet - Page 5

• Manufacturer Part Number: t6309a
• Description: Micropower Step-up Dc/dc Converter
• Manufacturer: TM Technology Inc.

Vout
Vsw
Vout
Stability for driving 6LED/Vin=3.0V
Vsw
tm
Typical Operating Characteristics
(VIN=+3.3V,Load=6 LEDs, L=10uH, C
TM Technology Inc. reserves the right
to change products or specifications without notice.
Stability for driving 6LED/Vin=5.2V
90
85
80
75
70
65
60
2.0
Efficiency (6WLED)
CH
2.5
TE
3.0
Vin(V)
3.5
- Io=15mA
4.0
4.5
IN
=4.7uF, C
5.0
OUT
P. 5
Vout
=4.7uF, T A=+25 ºC, unless otherwise noted.)
Stability for driving 6LED/Vin=3.6V
Vsw
VFB Temperature curve
0.43
0.42
0.41
0.39
0.38
0.4
-30
-20
-10
0
Temperature (ºC)
Publication Date: MAY. 2007
10
20
30
T6309A
40
Revision: A
Vin=3.1V Load
6LED
50
60
70