s-8521b51mc-aukt2g Seiko Instruments Inc., s-8521b51mc-aukt2g Datasheet - Page 26

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

(3) EXT pin output current “H” (I
(5) Soft start time (t
26
STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLOR
S-8520 / 8521 Series
10
25
20
15
10
−60
−50
−40
−30
−20
−10
8
6
4
2
0
5
0
2
0
2
2
4
4
4
6
6
SS
6
)-Input voltage (V
8
8
V
8
V
V
IN
IN
IN
[V]
[V]
[V]
10
10
10
EXTH
)-Input voltage (V
12
12
(f
12
osc
Ta=−40°C
Ta=−40°C
Ta=85°C
Ta=−40°C
Ta=25°C
Ta=85°C
(f
Ta=25°C
Ta=85°C
Ta=25°C
osc
=300 kHz)
IN
=60 kHz)
)
14
14
14
16
16
16
Seiko Instruments Inc.
IN
)(4) EXT pin output current “L” (I
25
20
15
10
60
50
40
30
20
10
5
0
0
2
2
4
4
6
6
8
V
8
V
IN
IN
[V]
[V]
10
10
EXTL
)-Input voltage (V
12
(f
12
Ta=25°C
Ta=−40°C
Ta=−40°C
Ta=85°C
osc
Ta=25°C
Ta=85°C
=180 kHz)
Rev.8.3
14
14
16
16
_00
IN
)