s-8541c32fn-iirt2g Seiko Instruments Inc., s-8541c32fn-iirt2g Datasheet - Page 30
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s-8541c32fn-iirt2g
Manufacturer Part Number
s-8541c32fn-iirt2g
Description
Step-down, 600 Khz Pwm Control Or Pwm/pfm Switchable Switching Regulator Controller
Manufacturer
Seiko Instruments Inc.
Datasheet
1.S-8541C32FN-IIRT2G.pdf
(36 pages)
- Current page: 30 of 36
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1. Efficiency Characteristics : Efficiency (η) − Output current (I
1. 1 S-8540A33FN
1. 3 S-8540A25FN
1. 5 S-8540A18FN
30
STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8540/8541 Series
100
100
90
80
70
60
50
90
80
70
60
50
100
90
80
70
60
50
1
1
1
V
V
IN
10
IN
10
V
(3.3 V, 600 kHz, PWM control)
(1.8 V, 600 kHz, PWM control)
=2.5 V
=4.0 V
IN
10
(2.5 V, 600 kHz, PWM control)
I
=3.0 V
OUT
I
OUT
I
OUT
(mA)
(mA)
(mA)
100
100
3.6 V
3.6 V
100
5.0 V
5.0 V
5.0 V
7.2 V
1000
1000
Seiko Instruments Inc.
1000
100
100
100
90
80
70
60
50
1. 2 S-8541A33FN
1. 4 S-8541A25FN
1. 6 S-8541A18FN
90
80
70
60
50
90
80
70
60
50
1
1
1
OUT
(3.3 V, 600 kHz, PWM/PFM control)
(1.8 V, 600 kHz, PWM/PFM control)
(2.5 V, 600 kHz, PWM/PFMcontrol)
V
)
V
V
IN
IN
10
10
IN
10
=2.5 V
= 4.0 V
=3.0 V
I
OUT
I
I
OUT
OUT
(mA)
3.6 V
(mA)
(mA)
5.0 V
3.6 V
100
100
100
7.2 V
5.0 V
5.0 V
1000
Rev.3.2
1000
1000
_00
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