TC110 Microchip Technology, TC110 Datasheet - Page 5

• Manufacturer Part Number: TC110
• Description: PFM/PWM Step-Up DC/DC Controller
• Manufacturer: Microchip Technology

FIGURE 3-1:
FIGURE 3-2:
FIGURE 3-3:
©
2002 Microchip Technology Inc.
Shutdown Not Used
TC110XX
+
–
+
–
BOOTSTRAPPED OPERATION
NON-BOOTSTRAPPED OPERATION
SOFT START/SHUTDOWN CIRCUIT
V
V
IN
IN
C1
33µF
SHDN/SS
EXT
V
C1
33µF
5
1
OUT
EXT
V
1
5
OUT
3
TC110XX
C
0.1µF
SS
R
470K
TC110XX
V
SS
DD
2
V
2
DD
SHDN
GND
V
SHDN
3
4
GND
IN
3
4
100µH
100µH
L1
OFF ON
L1
Shutdown Used
OFF ON
n
MTP3055EL
TC110XX
n
MTP3055EL
IN5817
IN5817
D1
D1
47µF
47µF
SHDN/SS
C2
C2
3
C
0.1µF
R
470K
SS
SS
V
V
OUT
OUT
SHDN
DS21355B-page 5
TC110