S-8520 Seiko Instruments, S-8520 Datasheet - Page 22

• Manufacturer Part Number: S-8520
• Description: (S-8520 / S-8521) PWM Control and PFM Control Step DOwn Switching Regulator Controllers
• Manufacturer: Seiko Instruments

PWM Control & PWM/PFM Control Step-Down Switching Regulator-Controllers
S-8520/8521 Series
22
2. Power-Off Terminal Response (V
S-8520/1E33MC (V
S-8520/1C30MC (V
S-8520/1A30MC (V
(1 V/div)
(1 V/div)
(1 V/div)
V
V
V
ON/OFF
ON/OFF
ON/OFF
V
V
V
0 V
0 V
3 V
3 V
OUT
OUT
0 V
0 V
0 V
3 V
OUT
3 V
0 V
3 V
3 V
IN
IN
IN
:4.0 V)
:3.6 V)
:3.6 V)
t(1 ms/div)
t(2 ms/div)
t(1 ms/div)
Seiko Instruments Inc.
ON/OFF
: 0 V→ → → → 1.8 V I
S-8520/1E33MC (V
S-8520/1C30MC (V
S-8520/1A30MC (V
(1 V/div)
(1 V/div)
(1 V/div)
V
V
V
ON/OFF
ON/OFF
ON/OFF
V
V
V
OUT
OUT
OUT
3 V
0 V
0 V
3 V
3 V
0 V
3 V
0 V
3 V
0 V
3 V
0 V
OUT
: No-load)
IN
IN
IN
:9.0 V)
:9.0 V)
:9.0 V)
t(1 ms/div)
t(2 ms/div)
t(1 ms/div)
Rev.7.4
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