Datasheet

© 2008 Microchip Technology Inc. DS21949C-page 5
TC1303A/TC1303B/TC1303C/TC1304
Typical Application Circuits
10-Lead DFN
1
2
6
8
7
9
10
5
4
3
SHDN2
V
IN2
V
OUT2
A
GND
P
GND
L
X
V
IN1
SHDN1
V
OUT1
PG
4.7 μF
Processor
RESET
Input
Voltage
4.7 μH
4.7 ΜF
2.1V @
1 ΜF
3.3V @
4.5V to 5.5V
Adjustable-Output Application
121 kΩ
200 kΩ
4.99 kΩ
33 pF
1
2
6
8
7
9
10
54
3SHDN2
V
IN2
V
OUT2
A
GND
P
GND
L
X
V
IN1
SHDN1
V
OUT1
PG
4.7 μF
Processor
RESET
4.7 μH
4.7 μF
1.5V @ 500 mA
1 μF
2.5V @ 300 mA
2.7V to 4.2V
TC1303B
V
OUT1
V
OUT2
V
IN
V
OUT1
V
OUT2
1.0 μF
*Optional
Capacitor
V
IN2
300 mA
500 mA
Note: Connect DFN package exposed pad to A
GND
.
10-Lead MSOP
Fixed-Output Application
TC1303A
(Note)
R
PULLUP
1
2
6
8
7
9
10
54
3SHDN
V
IN2
V
OUT2
A
GND
P
GND
L
X
V
IN1
V
OUT1
PG
4.7 μF
Processor
RESET
4.7
μ
H
4.7 ΜF
1.2V @ 500 mA
1 μF
2.5V @ 300 mA
2.7V to 4.2V
V
OUT1
V
OUT2
V
IN
10-Lead MSOP
Fixed-Output Application
TC1304
R
PULLUP
A
GND
EP
11