S-8520A20MC-AVFT2X Datasheet, PDF (35/44 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
1. Efficiency Characteristics: Output current (IOUT)-Efficiency (EFFI)
(1) S-8520B30MC
100
(CD105 / 47 μH, TM6201)
90
80
70
60
500.01
0.1
1
10
I_OUT [mA]
V_IN = 3.6 V
V_IN = 9.0 V
100 1000
(2) S-8520F33MC
100
90
V_IN = 9 V
V_IN = 6 V
80
V_IN = 4 V
70
(D62F / 22 μH, TM6201)
100
(CDH113 / 22 μH, IRF7606)
V_IN = 14 V
90
V_IN = 9 V
V_IN = 6 V
80
V_IN = 4 V
70
60
60
500.01
0.1
1
10
I_OUT [mA]
100 1000
500.01
0.1
1
10
I_OUT [mA]
100 1000
(3) S-8521D30MC
100
(CD54 / 47 μH, TM6201)
100
(CD54 / 47 μH, IRF7606)
90
90
80
80
70
60
50
0.01 0.1
1
10
I_OUT [mA]
V_IN = 3.6 V
V_IN = 9.0 V
100 1000
70
60
50
0.01 0.1
1
10
I_OUT [mA]
V_IN = 3.6 V
V_IN = 9.0 V
100 1000
(4) S-8521B30MC
100
(CD105 / 47 μH, TM6201)
100
(CD105 / 47 μH, IRF7606)
90
90
80
80
70
70
60
50
0.01 0.1
1
10
I_OUT [mA]
V_IN = 3.6 V
V_IN = 9.0 V
100 1000
60
50
0.01 0.1
1
10
I_OUT [mA]
V_IN = 3.6 V
V_IN = 9.0 V
100 1000
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