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