STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8533 Series
Rev.2.3_00
(9) Soft-Start Time (tSS) vs. Input Voltage (VIN)
16
14
Ta = −40°C
12
10
8
tSS
(ms)
6
Ta = 85°C
Ta = 25°C
4
2
0
2
4
6
8
10
12
14
16
16
16
VIN (V)
(10) Output Voltage (VOUT) vs. Input Voltage (VIN)
(11) Output Voltage (VOUT) vs. Input Voltage (VIN)
(3.3 V : S-8533A33AFT)
(1.5 V : S-8533A15AFT)
1.53
3.37
IOUT = 100 mA
3.35
1.52
IOUT = 0.1 mA
3.33
1.51
VOUT
V
OUT 3.31
(V)
1.50
(V)
IOUT = 0.1 mA
IOUT = 100 mA
IOUT = 400 mA
3.29
3.27
3.25
3.23
IOUT = 400 mA
1.49
1.48
1.47
2
4
6
8
10
12
14
2
4
6
8
10
12
14
16
VIN (V)
VIN (V)
(12) Output Voltage (VOUT) vs. Input Voltage (VIN)
(5.0 V : S-8533A50AFT)
5.08
5.06
5.04
IOUT = 100 mA
5.02
5.00
4.98
4.96
4.94
4.92
VOUT
(V)
IOUT = 0.1 mA
IOUT = 400 mA
2
4
6
8
10
12
14
VIN (V)
16
Seiko Instruments Inc.
SII [ SEIKO INSTRUMENTS INC ]
