STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8533 Series
Rev.2.3_00
(2) ON/OFF Pin Response (VON/OFF : 0 V → 1.8 V, IOUT : 10 mA)
S-8533A15AFT (VIN : 2.7 V)
S-8533A15AFT (VIN : 9.0 V)
4 V
4 V
ON/OFF
pin voltage
ON/OFF
pin voltage
(1 V/div)
(1 V/div)
0 V
0 V
3 V
Output voltage
(1 V/div)
3 V
Output voltage
(1 V/div)
0 V
0 V
t (2 ms/div)
t (2 ms/div)
t (2 ms/div)
t (2 ms/div)
t (2 ms/div)
t (2 ms/div)
S-8533A33AFT (VIN : 5.0 V)
S-8533A33AFT (VIN : 9.0 V)
4 V
4 V
ON/OFF
pin voltage
(1 V/div)
ON/OFF
pin voltage
(1 V/div)
0 V
0 V
3 V
Output voltage
(1 V/div)
3 V
Output voltage
(1 V/div)
0 V
0 V
S-8533A50AFT (VIN : 7.5 V)
S-8533A50AFT (VIN : 9.0 V)
4 V
4 V
ON/OFF
pin voltage
(1 V/div)
ON/OFF
pin voltage
(1 V/div)
0 V
0 V
4.5 V
Output voltage
(1.5 V/div)
4.5 V
Output voltage
(1.5 V/div)
0 V
0 V
18
Seiko Instruments Inc.
SII [ SEIKO INSTRUMENTS INC ]
