s-8521b51mc-aukt2g Seiko Instruments Inc., s-8521b51mc-aukt2g Datasheet - Page 25

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

(1) Current consumption (I
(2) Oscillation frequency (f
Rev.8.3
1. Examples of major parameters characteristics
Characteristics (Typical Data)
360
340
320
300
280
260
240
80
75
70
65
60
55
50
45
40
20
15
10
STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLOR
60
50
40
30
20
10
5
0
0
2
2
2
2
_00
4
4
4
4
6
Ta=25°C
6
6
6
8
8
8
V
V
8
V
V
Ta=−40°C
IN
osc
IN
SS1
Ta=85°C
IN
IN
[V]
[V]
)-Input voltage (V
[V]
[V]
)-Input voltage (V
Ta=85°C
10
10
10
10
Ta=−40°C
(f
12
12
12
(f
12
Ta=−40°
(f
Ta=25°C
Ta=−40°C
osc
(f
Ta=85°C
osc
Ta=25°C
Ta=25°C
Ta=85°C
osc
osc
=300 kHz)
=300 kHz)
=60 kHz)
=60 kHz)
14
14
14
14
IN
16
16
16
16
IN
)
)
Seiko Instruments Inc.
40
30
20
10
220
210
200
190
180
170
160
150
140
0
2
2
4
4
6
6
8
V
8
V
IN
IN
S-8520 / 8521 Series
[V]
[V]
10
10
(f
12
(f
12
Ta=25°C
osc
Ta=85°C
Ta=−40°C
osc
Ta=25°C
Ta=85°C
Ta=−40°C
=180 kHz)
=180 kHz)
14
14
16
16
25