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S8540 Datasheet(PDF) 23 Page - Seiko Instruments Inc

Part # S8540
Description  STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
PDF  36 Pages
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Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc

S8540 Datasheet(HTML) 23 Page - Seiko Instruments Inc

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STEP-DOWN, 600 kHz PWM CONTROL or PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
Rev.4.0_01
S-8540/8541 Series
23
(9) tSS
− VIN
8
9
10
11
12
13
14
15
16
2.5
4.0
5.5
7.0
8.5
10.0
VIN (V)
25°C
85°C
Ta
=−40°C
(10) VOUT
− VIN 1.8 V PWM/PFM 600 kHz
(11) VOUT
− VIN 3.3 V PWM/PFM 600 kHz
1.75
1.77
1.79
1.81
1.83
1.85
2.5
4
5.5
7
8.5
10
VIN (V)
100 mA
400 mA
IOUT=0.1 mA
3.20
3.25
3.30
3.35
3.40
2.5
4.0
5.5
7.0
8.5
10.0
VIN (V)
IOUT=0.1 mA
100 mA
400 mA
(12) VOUT
− VIN 3.3 V PWM 600 kHz
(13) VOUT
− VIN 3.3 V PWM/PFM 300 kHz
3.20
3.25
3.30
3.35
3.40
2.5
4.0
5.5
7.0
8.5
10.0
VIN (V)
IOUT=0.1 mA
100 mA
400 mA
3.20
3.25
3.30
3.35
3.40
2.5
4.0
5.5
7.0
8.5
10.0
VIN (V)
IOUT
=0.1 mA
100 mA
400 mA



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