S-8520A20MC-AVFT2X Datasheet, PDF (38/44 Pages) Seiko Instruments Inc – SWITCHING REGULATOR CONTROLLER

STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8520/8521 Series
Rev.9.0_01
2. Ripple Voltage Characteristics: Ripple voltage (Vrip)-Input voltage (VIN) (L: CD105 / 47 μH, Tr: 2SA1213,
SBD: MA720)
(1) S-8520D30MC
240
(C_OUT = 47 μF×2)
(2) S-8521D30MC
240
(C_OUT = 47 μF×2)
200
I_OUT = 500 mA
160
I_OUT = 100 mA
I_OUT = 0.1 mA
120
80
200
160
I_OUT = 500 mA
I_OUT = 100 mA
120
I_OUT = 0.1 mA
80
40
40
0
246
(3) S-8520B30MC
240
8 10 12 14 16
V_IN [V]
(C_OUT = 22 μF×2)
0
246
(4) S-8521B30MC
240
8 10 12 14 16
V_IN [V]
(C_OUT = 22 μF×2)
200
160
I_OUT = 500 mA
I_OUT = 100 mA
120
I_OUT = 0.1 mA
80
200
160
120
I_OUT = 500 mA
I_OUT = 100 mA
80
I_OUT = 0.1 mA
40
40
0
246
(5) S-8520F33MC
240
8 10 12 14 16
V_IN [V]
(C_OUT = 22 μF)
02
4
6
(6) S-8521F33MC
240
8 10 12 14 16
V_IN [V]
(C_OUT = 22 μF)
200
160
I_OUT = 500 mA
I_OUT = 100 mA
120
I_OUT = 0.1 mA
80
40
0
24 6
(7) S-8520D50MC
240
8 10 12 14 16
V_IN [V]
(C_OUT = 47 μF×2)
200
160
I_OUT = 500 mA
I_OUT = 100 mA
120
I_OUT = 0.1 mA
80
40
0
246
(8) S-8521D50MC
240
8 10 12 14 16
V_IN [V]
(C_OUT = 47 μF×2)
200
I_OUT = 500 mA
160
I_OUT = 100 mA
I_OUT = 0.1 mA
120
80
200
160
I_OUT = 500 mA
I_OUT = 100 mA
120
I_OUT = 0.1 mA
80
40
40
0
2 4 6 8 10 12 14 16
V_IN [V]
38
02
4
6
8 10 12 14 16
V_IN [V]