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S8353 Datasheet(PDF) 30 Page - Seiko Instruments Inc

Part # S8353
Description  STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR
PDF  49 Pages
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Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc

S8353 Datasheet(HTML) 30 Page - Seiko Instruments Inc

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STEP-UP, PWM CONTROL or PWM / PFM SWITCHABLE BUILT-IN TRANSISTOR SWITCHING REGULATOR
S-8353/8354 Series
Rev.3.0_01
30
2. Examples of Major Power Supply Dependence Characteristics (Ta = 25
°C)
(1) Current Consumption 1 (ISS1) vs. Power Supply Voltage (VDD),
Current Consumption 2 (ISS2) vs. Power Supply Voltage
(VDD)
VOUT = 3.3 V, fOSC = 50 kHz
VOUT = 3.3 V, fOSC = 250 kHz
0
10
20
30
40
50
0
2
4
6
8
10
VDD [V]
0
20
40
60
80
100
0
2
4
6
8
10
VDD [V]
(2) Oscillation Frequency (fOSC) vs. Power Supply Voltage (VDD)
fOSC = 50 kHz
fOSC = 250 kHz
30
40
50
60
70
0
2
4
6
8
10
VDD [V]
100
150
200
250
300
02
4
6
8
10
VDD [V]
(3) Switching Current (ISW) vs. Power Supply Voltage (VDD)
0
2
4
6
8
10
VDD [V]
100
200
300
400
500
0
(4) Output Voltage (VOUT) vs. Power Supply Voltage (VDD) (VOUT = 3.3 V, VIN = 1.98 V, IOUT = 13.2 mA, VDD Separate Type)
fOSC = 50 kHz
fOSC = 250 kHz
VDD [V]
3.0
3.1
3.2
3.3
3.4
0
2
4
6
8
10
02
46
8
10
VDD [V]
3.0
3.1
3.2
3.3
3.4



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