S-8520 Seiko Instruments, S-8520 Datasheet - Page 19

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

V
S-8521B30MC (Ta=25°C)
Rev.7.4
(13)
(15)
(17)
OUT
V
T
S-8520/21(Fosc:180 kHz)
V
S-8520/21
PRO
OUT
SH
-V
T
(ms)
(V)
-V
V
(V)
PRO
-V
IN
SH
IN
IN
3.08
3.07
3.06
3.05
3.04
3.03
3.02
3.01
3.00
2.99
2.98
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
8
7
6
5
4
3
2
_10
2
PWM Control & PWM/PFM Control Step-Down Switching Regulator-Controllers
2
2
4
4
4
6
6
6
Ta=85
8
8
8
Ta=−40
Ta=25
V
V
Ta=−40
V
Ta=25
Ta=85
I
I
IN
IN
IN
OUT
OUT
(V)
(V)
(V)
=500 mA
=0.1 mA
10
10
10
Seiko Instruments Inc.
12
12
12
I
OUT
=100 mA
14
14
14
16
16
16
V
S-8520/21
V
S-8521B50MC (Ta=25°C)
(14)
(16)
(18)
T
S-8520/21(Fosc:300 kHz)
SL
OUT
PRO
V
-V
T
V
(V)
OUT
(ms)
-V
PRO
-V
IN
SL
(V)
IN
IN
1.7
1.5
1.3
1.1
0.9
0.7
0.5
0.3
5.08
5.07
5.06
5.05
5.04
5.03
5.02
5.01
5.00
4.99
4.98
4
3
2
1
2
2
2
4
4
4
6
6
6
8
8
V
Ta=−40
Ta=85
V
Ta=25
IN
8
V
IN
I
I
(V)
OUT
OUT
(V)
IN
10
(V)
10
=500 mA
=0.1 mA
10
S-8520/8521 Series
12
12
Ta=25
Ta=85
Ta=−40
12
I
OUT
14
=100 mA
14
14
16
16
16
19