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S8337 Datasheet(PDF) 32 Page - Seiko Instruments Inc

Part # S8337
Description  STEP-UP, 1.2 MHz HIGH-FREQUENCY, PWM CONTROL SWITCHING REGULATOR CONTROLLER
PDF  51 Pages
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Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc

S8337 Datasheet(HTML) 32 Page - Seiko Instruments Inc

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STEP-UP, 1.2 MHz HIGH-FREQUENCY, PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8337/8338 Series
Rev.4.0_01
32
4. 3 Load fluctuations (VOUT
= 9.2 V, VIN = 3.3 V, Ta = 25°C, RZ = 200 kΩ, CZ = 0.01 μF)
(1) fOSC
= 1133 kHz, IOUT = 0.1 mA→100 mA
(2) fOSC
= 1133 kHz, IOUT = 100 mA→0.1 mA
–20
–10
0
10
20
time [ms]
8.8
9.0
VOUT
[0.2 V/div]
9.2
IOUT
100 mA
0.1 mA
9.4
9.6
9.8
10.0
–20
–10
0
10
20
time [ms]
8.8
9.0
VOUT
[0.2 V/div]
9.2
IOUT
100 mA
0.1 mA
9.4
9.6
9.8
10.0
(3) fOSC
= 700 kHz, IOUT = 0.1 mA→100 mA
(4) fOSC
= 700 kHz, IOUT = 100 mA→0.1 mA
–20
–10
0
10
20
time [ms]
8.8
9.0
VOUT
[0.2 V/div]
9.2
IOUT
100 mA
0.1 mA
9.4
9.6
9.8
10.0
–20
–10
0
10
20
time [ms]
8.8
9.0
VOUT
[0.2 V/div]
9.2
IOUT
100 mA
0.1 mA
9.4
9.6
9.8
10.0
(5) fOSC
= 286 kHz, IOUT = 0.1 mA→100 mA
(6) fOSC
= 286 kHz, IOUT = 100 mA→0.1 mA
–20
–10
0
10
20
time [ms]
8.8
9.0
VOUT
[0.2 V/div]
9.2
IOUT
100 mA
0.1 mA
9.4
9.6
9.8
10.0
–20
–10
0
10
20
time [ms]
8.8
9.0
VOUT
[0.2 V/div]
9.2
IOUT
100 mA
0.1 mA
9.4
9.6
9.8
10.0



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