s-8337aaca-t8t1g Seiko Instruments Inc., s-8337aaca-t8t1g Datasheet - Page 30

• Manufacturer Part Number: s-8337aaca-t8t1g
• Description: Step-up, 1.2 Mhz High-frequency, Pwm Control Switching Regulator Controller
• Manufacturer: Seiko Instruments Inc.

30
STEP-UP, 1.2 MHz HIGH-FREQUENCY, PWM CONTROL SWITCHING REGULATOR CONTROLLER
S-8337/8338 Series
(1) f
V
[V]
(3) f
V
[V]
(5) f
V
[V]
ON/OFF
ON/OFF
ON/OFF
4. 2 Responses of shutdown pin (V
OSC
OSC
OSC
4
2
0
4
2
0
4
2
0
= 1133 kHz, I
= 700 kHz, I
= 286 kHz, I
–5
–5
–5
0
0
0
OUT
OUT
OUT
= 0 mA, t
= 0 mA, t
time [ms]
time [ms]
time [ms]
= 0 mA, t
5
5
5
10
10
10
SS
SS
SS
= 10 ms
= 10 ms
= 10 ms
OUT
15
15
15
Seiko Instruments Inc.
= 9.2 V, V
20
20
20
12
12
12
8 V
4
0
8 V
4
0
8 V
4
0
[V]
[V]
[V]
OUT
OUT
OUT
ON/OFF
(2) f
(4) f
(6) f
V
[V]
= 0 V → 3.3 V)
V
[V]
V
[V]
ON/OFF
ON/OFF
ON/OFF
OSC
OSC
OSC
4
2
0
4
2
0
4
2
0
= 1133 kHz, I
= 700 kHz, I
= 286 kHz, I
–5
–5
–5
0
0
0
OUT
OUT
OUT
= 100 mA, t
= 100 mA, t
time [ms]
time [ms]
time [ms]
= 100 mA, t
5
5
5
10
10
10
SS
SS
SS
= 10 ms
= 10 ms
= 10 ms
15
15
15
Rev.3.1
20
20
20
12
8 V
4
0
12
8 V
4
0
12
8 V
4
0
[V]
[V]
[V]
OUT
OUT
OUT
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