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S-8550 Datasheet(PDF) 21 Page - Seiko Instruments Inc

Part # S-8550
Description  STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECIFICATION, PWM CONTROL SWITCHING REGULATORS
PDF  26 Pages
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Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc

S-8550 Datasheet(HTML) 21 Page - Seiko Instruments Inc

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STEP-DOWN, BUILT-IN FET, SYNCHRONOUS RECTIFICATION, PWM CONTROL SWITCHING REGULATORS
Rev.2.1_01
S-8550/8551 Series
Seiko Instruments Inc.
21
3. 2 VOUT
= 1.8 V (RFB1 = 36 kΩ, RFB2 = 18 kΩ)
(1) VIN = 3.6 V
(2) VIN = 5.5 V
0
1000
50
0
1
10
100
IOUT [mA]
30
40
10
20
0
1000
50
0
1
10
100
IOUT [mA]
30
40
10
20
3. 3 VOUT
= 3.3 V (RFB1 = 36 kΩ, RFB2 = 8 kΩ)
(1) VIN = 3.6 V
(2) VIN = 5.5 V
0
1000
50
0
1
10
100
IOUT [mA]
30
40
10
20
0
1000
50
0
1
10
100
IOUT [mA]
30
40
10
20
3. 4 VOUT
= 4.0 V (RFB1 = 51 kΩ, RFB2 = 9 kΩ)
(1) VIN = 5.5 V
0
1000
50
0
1
10
100
IOUT [mA]
30
40
10
20



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