S-8520A20MC-AVFT2X Datasheet, PDF (31/44 Pages) Seiko Instruments Inc – SWITCHING REGULATOR CONTROLLER

STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.9.0_01
S-8520/8521 Series
2. 3 Supply voltage variation (VIN = 4 V→9 V, 9 V→4 V)
(1) S-8520/8521C30MC
(2) S-8520/8521C30MC
(I_OUT = 10 mA)
10 V
V_IN
[2.5 V/div]
10 V
V_IN
[2.5 V/div]
0V
0V
(I_OUT = 500 mA)
V_OUT
[0.2 V/div]
t [0.5 ms/div]
(3) S-8520/8521A30MC
10 V
V_IN
[2.5 V/div]
0V
V_OUT
[0.2 V/div]
t [0.5 ms/div]
(4) S-8520/8521A30MC
(I_OUT = 10mA)
10 V
V_IN
[2.5 V/div]
(I_OUT = 500 mA)
0V
V_OUT
[0.2 V/div]
V_OUT
[0.2 V/div]
t [0.5 ms/div]
t [0.5 ms/div]
(5) S-8520/8521E33MC
10 V
V_IN
[2.5 V/div]
(6) S-8520/8521E33MC
(I_OUT = 10 mA)
10 V
V_IN
[2.5 V/div]
(I_OUT = 500 mA)
0V
0V
V_OUT
[0.2 V/div]
t [0.5 ms/div]
V_OUT
[0.2 V/div]
t [0.5 ms/div]
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