S-8540 SII [Seiko Instruments Inc], S-8540 Datasheet - Page 31

• Manufacturer Part Number: S-8540
• Description: STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
• Manufacturer: SII [Seiko Instruments Inc]

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