s-8533a60aft-tb-g Seiko Instruments Inc., s-8533a60aft-tb-g Datasheet - Page 4
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s-8533a60aft-tb-g
Manufacturer Part Number
s-8533a60aft-tb-g
Description
Step-down, Synchronous Pwm Control Switching Regulator Controller
Manufacturer
Seiko Instruments Inc.
Datasheet
1.S-8533A60AFT-TB-G.pdf
(31 pages)
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4
STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8533 Series
Pin Configurations
1
2
3
4
8-Pin TSSOP
Figure 2
Top view
8
7
6
5
*1. The NC pin is electrically open. Connection of this pin to VIN or VSS is
Pin No.
allowed.
1
2
3
4
5
6
7
8
Seiko Instruments Inc.
ON/
Symbol
NDRV
VOUT
PDRV
NC
CSS
VSS
VIN
OFF
*1
No connection
Output voltage pin
Shutdown pin
H : Normal operation (step-down operation)
L : Step-down operation stopped (all circuits
Soft start capacitor connection pin
GND pin
External N-channel connection pin
External P-channel connection pin
IC power supply pin
deactivated)
Table 1
Pin Description
Rev.2.3
_00
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