s-8333aaca-t8t1g Seiko Instruments Inc., s-8333aaca-t8t1g Datasheet - Page 27

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

4.3 Input voltage fluctuations (V
Rev.2.3
(1) f
(3) f
(5) f
STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL, PWM CONTROL SWITCHING REGULATOR CONTROLLER
V
V
V
[V]
[V]
[V]
IN
IN
IN
4.0
3.5
3.0
2.5
4.0
3.5
3.0
2.5
4.0
3.5
3.0
2.5
OSC
OSC
OSC
−20
−20
−20
= 1133 kHz, V
= 700 kHz, V
= 286 kHz, V
_00
−10
−10
−10
IN
IN
IN
time [ms]
= 2.8 V → 3.8 V
time [ms]
= 2.8 V → 3.8 V
time [ms]
= 2.8 V → 3.8 V
0
0
0
OUT
= 9.2 V, I
10
10
10
OUT
20
20
20
Seiko Instruments Inc.
9.40
9.30
9.20
9.10
9.40
9.30
9.20
9.10
9.40
9.30
9.20
9.10
= 100 mA, R
V
[V]
V
[V]
V
[V]
OUT
OUT
OUT
(2) f
(4) f
(6) f
V
V
V
[V]
[V]
[V]
Z
IN
IN
IN
= 200 k Ω , C
4.0
3.5
3.0
2.5
4.0
3.5
3.0
2.5
4.0
3.5
3.0
2.5
OSC
OSC
OSC
−20
−20
−20
= 1133 kHz, V
= 700 kHz, V
= 286 kHz, V
Z
= 0.01 µ F)
−10
−10
−10
IN
IN
IN
= 3.8 V → 2.8 V
= 3.8 V → 2.8 V
time [ms]
time [ms]
time [ms]
= 3.8 V → 2.8 V
0
0
0
10
10
10
S-8333 Series
20
20
20
9.40
9.30
9.20
9.10
9.40
9.30
9.20
9.10
9.40
9.30
9.20
9.10
V
[V]
V
[V]
V
[V]
OUT
OUT
OUT
27