s-8333aaca-t8t1g Seiko Instruments Inc., s-8333aaca-t8t1g Datasheet - Page 25

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

Rev.2.3
4. Examples of Transient Response Characteristics
4.1 Powering ON (V
Remark The switch (SW) is inserted between the diode (SD) and VOUT output.
(1) f
(3) f
(5) f
STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL, PWM CONTROL SWITCHING REGULATOR CONTROLLER
OSC
OSC
OSC
4
2
0
4
2
0
4
2
0
−5
−5
−5
= 1133 kHz, I
= 700 kHz, I
= 286 kHz, I
_00
Controlled externally to turn SW on a few ms later after the VIN voltage is applied.
0
0
0
OUT
OUT
OUT
OUT
5
time [ms]
5
time [ms]
5
time [ms]
= 9.2 V, V
= 0 mA, t
= 0 mA, t
= 0 mA, t
10
10
10
SS
SS
IN
SS
= 0 V → 3.3 V, Ta = 25 ° C)
= 10 ms
= 10 ms
= 10 ms
15
15
15
Seiko Instruments Inc.
20
20
20
12
8
4
0
12
8
4
0
12
8
4
0
(2) f
(4) f
(6) f
OSC
OSC
OSC
4
2
0
4
2
0
4
2
0
−5
−5
−5
= 1133 kHz, I
= 700 kHz, I
= 286 kHz, I
0
0
0
OUT
OUT
OUT
time [ms]
time [ms]
time [ms]
5
5
5
= 100 mA, t
= 100 mA, t
= 100 mA, t
10
10
10
SS
SS
SS
S-8333 Series
= 10 ms
= 10 ms
15
15
15
= 10 ms
20
20
20
12
8
4
0
12
8
4
0
12
8
4
0
25