S-8540 Datasheet, PDF (31/36 Pages) Seiko Instruments Inc – STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER

STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.3.2_00
S-8540/8541 Series
1. 7 S-8540C33FN
(3.3 V, 300 kHz, PWM control)
100
VI N=4.0 V
90
80
70
5.0 V 7.2 V
60
50
1
10
100
IOUT (mA)
1. 9 S-8540C25FN
1000
(2.5 V, 300 kHz, PWM control)
100
V_IN=3.0 V
90
80
5.0 V
3.6 V
70
60
50
1
10
100
I_OUT (mA)
1. 11 S-8540C18FN
1000
(1.8 V, 300 kHz, PWM control)
100
90
V_IN=2.5 V
80
70
3.6 V
5.0 V
60
50
1
10
100
I_OUT (mA)
1000
1. 8 S-8541C33FN
(3.3 V, 300 kHz, PWM/PFM control)
100
V_IN=4.0 V
90
80
70
5.0 V 7.2 V
60
50
1
10
100
I_OUT (mA)
1000
1. 10 S-8541C25FN
(2.5 V, 300 kHz, PWM/PFM control)
100
90
V_IN=3.0 V
80
5.0 V
70
3.6 V
60
50
1
10
100
I_OUT (mA)
1000
1. 12 S-8541C18FN
(1.8 V,300 kHz, PWM/PFM control)
100
90
V_IN=2.5 V
80
70
3.6 V ^{5.0 V}
60
50
1
10
100
I_OUT (mA)
1000
Seiko Instruments Inc.
31