s-8541c32fn-iirt2g Seiko Instruments Inc., s-8541c32fn-iirt2g Datasheet - Page 22
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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: 22 of 36
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22
STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8540/8541 Series
1. Examples of major parameters characteristics
(1) I
(3) f
(5) I
(7) V
Typical Characteristics
SS1
EXTH
OSC
SH
360
340
320
300
280
260
240
2.3
2.2
2.1
2.0
1.9
1.8
1.7
100
250
200
150
100
80
60
40
20
50
0
− V
0
− V
− V
2.5
− V
2.5
2.5
2.5
IN
IN
IN
Ta=−40°C
IN
S-8540/8541
Ta=−40°C
S-8540/8541(300 kHz)
S-8540/8541(300 kHz)
S-8540/8541
4.0
4.0
25°C
4.0
4.0
25°C
5.5
5.5
5.5
5.5
85°C
V
V
25°C
V
V
85°C
IN
25°C
IN
IN
IN
Ta=−40°C
(V)
(V)
(V)
(V)
7.0
7.0
7.0
7.0
Ta=−40°C
85°C
85°C
8.5
8.5
8.5
8.5
Seiko Instruments Inc.
10.0
10.0
10.0
10.0
(2) I
(4) f
(6) I
(8) V
SS1
EXTL
OSC
250
200
150
100
720
680
640
600
560
520
480
100
SL
0.9
0.8
0.7
0.6
0.5
0.4
0.3
50
80
60
40
20
0
0
− V
− V
− V
2.5
− V
2.5
2.5
2.5
IN
IN
IN
IN
85°C
Ta=−40°C
S-8540/8541
Ta=−40°C
S-8540/8541(600 kHz)
S-8540/8541(600 kHz)
S-8540/8541
4.0
4.0
4.0
4.0
25°C
5.5
5.5
5.5
5.5
V
V
V
25°C
V
25°C
85°C
IN
IN
25°C
IN
IN
Ta=−40°C
(V)
(V)
(V)
(V)
7.0
7.0
7.0
7.0
Ta=−40°C
85°C
8.5
85°C
8.5
8.5
8.5
Rev.3.2
10.0
10.0
10.0
10.0
_00
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