s-8333aaca-t8t1g Seiko Instruments Inc., s-8333aaca-t8t1g Datasheet - Page 26

• Manufacturer Part Number: s-8333aaca-t8t1g
• Description: Step-up, For Lcd Bias Supply, 1-channel, Pwm Control Switching Regulator Controller
• Manufacturer: Seiko Instruments Inc.

4.2 Load fluctuations (V
26
STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL, PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8333 Series
(1) f
(3) f
(5) f
V
[0.2 V/div]
V
[0.2 V/div]
V
[0.2 V/div]
I
I
I
OUT
OUT
OUT
OUT
OUT
OUT
100 mA
100 mA
100 mA
0.1 mA
0.1 mA
0.1 mA
OSC
OSC
OSC
= 1133 kHz, I
= 700 kHz, I
= 286 kHz, I
−20
−20
−20
−10
−10
−10
OUT
OUT
OUT
OUT
= 0.1 mA → 100 mA
= 0.1 mA → 100 mA
= 0.1 mA → 100 mA
time [ms]
time [ms]
time [ms]
= 9.2 V, V
0
0
0
IN
= 3.3 V, Ta = 25 ° C, R
10
10
10
Seiko Instruments Inc.
20
20
20
10.0
9.8
9.6
9.4
9.2
9.0
8.8
10.0
9.8
9.6
9.4
9.2
9.0
8.8
10.0
9.8
9.6
9.4
9.2
9.0
8.8
(2) f
(4) f
(6) f
Z
V
[0.2 V/div]
V
[0.2 V/div]
V
[0.2 V/div]
I
I
I
= 200 k Ω , C
OUT
OUT
OUT
OUT
OUT
OUT
100 mA
100 mA
100 mA
0.1 mA
0.1 mA
0.1 mA
OSC
OSC
OSC
= 1133 kHz, I
= 700 kHz, I
= 286 kHz, I
−20
−20
−20
Z
= 0.01 µ F)
−10
−10
−10
OUT
OUT
OUT
= 100 mA → 0.1 mA
= 100 mA → 0.1 mA
= 100 mA → 0.1 mA
time [ms]
time [ms]
time [ms]
0
0
0
10
10
10
Rev.2.3
20
20
20
10.0
9.8
9.6
9.4
9.2
9.0
8.8
10.0
9.8
9.6
9.4
9.2
9.0
8.8
10.0
9.8
9.6
9.4
9.2
9.0
8.8
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