S-8520 Seiko Instruments, S-8520 Datasheet - Page 21

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

Rev.7.4
Transient Response Characteristics:
1. Power-On (V
S-8520/1C30MC (V
S-8520/1A30MC (V
S-8520/1E33MC (V
(2.5 V/div)
(2.5 V/div)
(2.5 V/div)
(1 V/div)
(1 V/div)
(1 V/div)
V
V
V
V
OUT
_10
V
10 V
10 V
V
10 V
0 V
OUT
3 V
0 V
OUT
0 V
IN
0 V
IN
3 V
0 V
3 V
0 V
IN
PWM Control & PWM/PFM Control Step-Down Switching Regulator-Controllers
IN
IN
IN
:0 → 3.6 V)
:0 → 4.0 V)
:0 → 3.6 V)
IN
: 0 V→ → → → 3.6 V or 4.0 V, 0 V→ → → → 9.0 V I
t(1 ms/div)
t(2 ms/div)
t(1 ms/div)
Seiko Instruments Inc.
S-8520/1E33MC (V
S-8520/1C30MC (V
S-8520/1A30MC (V
OUT
(2.5 V/div)
(2.5 V/div)
(2.5 V/div)
(1 V/div)
(1 V/div)
(1 V/div)
: No-load)
V
V
V
V
V
10 V
10 V
10 V
V
3 V
OUT
0 V
0 V
OUT
OUT
IN
0 V
3 V
0 V
0 V
3 V
0 V
IN
IN
IN
IN
IN
:0 → 9.0 V)
:0 → 9.0 V)
:0 → 9.0 V)
t(1 ms/div)
t(2 ms/div)
t(1 ms/div)
S-8520/8521 Series
21