S-8533A125FT-TB-X Datasheet, PDF (17/33 Pages) Seiko Instruments Inc – SWITCHING REGULATOR CONTROLLER

STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
Rev.3.0_01
S-8533 Series
(9) Soft-Start Time (tSS) vs. Input Voltage (VIN)
16
14
12
Ta = −40°C
10
t_SS
(ms)
8
6
4
Ta = 25°C
Ta = 85°C
2
0
2
4
6
8
10
12
14
16
V_IN (V)
(10) Output Voltage (VOUT) vs. Input Voltage (VIN)
(1.5 V : S-8533A15AFT)
1.53
1.52
1.51
I_OUT = 0.1 mA
I_OUT = 100 mA
V_OUT
(V)
1.50
1.49
I_OUT = 400 mA
1.48
1.47
2
4
6
8
10
12
14
16
V_IN (V)
(12) Output Voltage (VOUT) vs. Input Voltage (VIN)
(5.0 V : S-8533A50AFT)
5.08
5.06
5.04
5.02
V_OUT
(V)
5.00
4.98
IOUT = 0.1 mA
I_OUT = 100 mA
4.96
4.94
I_OUT = 400 mA
4.92 ₂
4
6
8
10
12
14
16
V_IN (V)
(11) Output Voltage (VOUT) vs. Input Voltage (VIN)
(3.3 V : S-8533A33AFT)
3.37
3.35
3.33
V_OUT 3.31
(V)
3.29
3.27
I_OUT = 0.1 mA
I_OUT = 100 mA
I_OUT = 400 mA
3.25
3.23
2
4
6
8
10
12
14
16
V_IN (V)
17