s-8337aaca-t8t1g Seiko Instruments Inc., s-8337aaca-t8t1g Datasheet - Page 4

• Manufacturer Part Number: s-8337aaca-t8t1g
• Description: Step-up, 1.2 Mhz High-frequency, Pwm Control Switching Regulator Controller
• Manufacturer: Seiko Instruments Inc.

4
STEP-UP, 1.2 MHz HIGH-FREQUENCY, PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8337/8338 Series
Pin Configurations
1
2
3
4
1
2
3
4
8-Pin SON(A)
8-Pin TSSOP
Figure 2
Figure 3
Top view
Top view
8
7
6
5
8
7
6
5
Seiko Instruments Inc.
Pin No.
Pin No.
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
ON/
ON/
Symbol
Symbol
ROSC
ROSC
RDuty
RDuty
CSP
CSP
VSS
VSS
EXT
EXT
VIN
VIN
CC
CC
FB
FB
OFF
OFF
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)
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)
Table 1
Table 2
Description
Description
Rev.3.1
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