S-8337AAAA-P8T1G Datasheet, PDF (5/51 Pages) Seiko Instruments Inc – SWITCHING REGULATOR CONTROLLER

STEP-UP, 1.2 MHz HIGH-FREQUENCY, PWM CONTROL SWITCHING REGULATOR CONTROLLER
Rev.4.0_01
S-8337/8338 Series
 Pin Configurations
8-Pin SON(A)
Top view
1
8
2
7
3
6
4
5
Figure 2
Pin No.
1
2
3
4
5
6
7
8
Table 1
Symbol
CC
FB
CSP
VIN
EXT
VSS
ROSC
RDuty
ON/OFF
Description
Error amplifier circuit output phase
compensation pin
Output voltage feedback pin
Short-circuit protection delay time
setting pin
Power supply input pin
External transistor connection pin
GND pin
Oscillation frequency setting resistor
connection pin
Maximum duty setting resistor
connection pin (S-8337 Series)
Shutdown pin (S-8338 Series)
8-Pin TSSOP
Top view
1
8
2
7
3
6
4
5
Figure 3
Pin No.
1
2
3
4
5
6
7
8
Table 2
Symbol
CC
FB
CSP
VIN
EXT
VSS
ROSC
RDuty
ON/OFF
Description
Error amplifier circuit output phase
compensation pin
Output voltage feedback pin
Short-circuit protection delay time
setting pin
Power supply input pin
External transistor connection pin
GND pin
Oscillation frequency setting resistor
connection pin
Maximum duty setting resistor
connection pin (S-8337 Series)
Shutdown pin (S-8338 Series)
5