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S8533 Datasheet(PDF) 16 Page - Seiko Instruments Inc

Part # S8533
Description  STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
PDF  33 Pages
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Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc

S8533 Datasheet(HTML) 16 Page - Seiko Instruments Inc

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STEP-DOWN, SYNCHRONOUS PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8533 Series
Rev.3.0_01
16
Characteristics (Typical Data)
1. Examples of Major Characteristics
(1) Current Consumption 1 (ISS1) vs. Input Voltage (VIN) (2) Oscillation Frequency (fOSC) vs. Input Voltage (VIN)
2
4
6
8
10
12
14
Ta
= 25°C
Ta
= −40°C
Ta
= 85°C
ISS1
(
μA)
VIN (V)
100
90
80
70
60
50
40
30
20
10
0
16
2
4
6
8
10
12
14
fOSC
(kHz)
VIN (V)
360
340
320
300
280
260
240
16
Ta
= 25°C
Ta
= −40°C
Ta
= 85°C
(3) PDRV Pin Output Current “H” (IPDRVH) vs.
Input Voltage (VIN)
(4) PDRV Pin Output Current “L” (IPDRVL) vs.
Input Voltage (VIN)
2
4
6
8
10
12
14
IPDRVH
(mA)
VIN (V)
70
60
50
40
30
20
10
0
16
Ta = 85
°C
Ta =
−40°C
Ta = 25
°C
2
4
6
8
10
12
14
IPDRVL
(mA)
VIN (V)
70
60
50
40
30
20
10
0
16
Ta =
−40°C
Ta = 25
°C
Ta = 85
°C
(5) NDRV Pin Output Current “H” (INDRVH) vs.
Input Voltage (VIN)
(6) NDRV Pin Output Current “L” (INDRVL) vs.
Input Voltage (VIN)
2
4
6
8
10
12
14
INDRVH
(mA)
VIN (V)
70
60
50
40
30
20
10
0
16
Ta = 85
°C
Ta = 25
°C
Ta =
−40°C
2
4
6
8
10
12
14
INDRVL
(mA)
VIN (V)
120
100
80
60
40
20
0
16
Ta =
−40°C
Ta = 25
°C
Ta = 85
°C
(7) ON/OFF Pin Input Voltage “H” (VSH) vs.
Input Voltage (VIN)
(8) ON/OFF Pin Input Voltage “L” (VSL) vs.
Input Voltage (VIN)
2
4
6
8
10
12
14
VSH
(V)
VIN (V)
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
16
Ta = 85
°C
Ta = 25
°C
Ta =
−40°C
2
4
6
8
10
12
14
VSL
(V)
VIN (V)
1.7
1.5
1.3
1.1
0.9
0.7
0.5
0.3
16
Ta =
−40°C
Ta = 25
°C
Ta = 85
°C



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