s-8521b51mc-aukt2g Seiko Instruments Inc., s-8521b51mc-aukt2g Datasheet - Page 27

• Manufacturer Part Number: s-8521b51mc-aukt2g
• Description: Step-down, Pwm Control Or Pwm / Pfm Switchable Switching Regulator Controller
• Manufacturer: Seiko Instruments Inc.

(6) Overload detection time (t
(7)
Rev.8.3
(V
ON/
IN
STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLOR
30
26
22
18
14
10
4
3
2
1
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
)
6
2
OFF
2
2
_00
4
pin input voltage “H” (V
4
4
6
6
6
Ta=25°C
Ta=85°C
Ta=−40°C
8
8
Ta=−40°C
V
Ta=85°C
Ta=25°C
8
V
V
Ta=85°C
Ta=−40°C
Ta=25°C
IN
IN
IN
[V]
[V]
[V]
10
pro
10
10
)- Input voltage (V
12
12
(f
12
SH
(f
osc
osc
)-Input voltage
=300 kHz)
=60 kHz)
14
14
14
16
16
16
Seiko Instruments Inc.
IN
)
(8)
(V
ON/
IN
1.7
1.5
1.3
1.1
0.9
0.7
0.5
0.3
8
7
6
5
4
3
2
)
OFF
2
2
4
pin input voltage “L” (V
4
6
6
Ta=85°C
8
Ta=−40°C
8
Ta=25°C
V
V
IN
IN
S-8520 / 8521 Series
[V]
[V]
10
10
(f
12
12
SL
osc
Ta=85°C
Ta=−40°C
Ta=25°C
)-Input voltage
=180 kHz)
14
14
16
16
27