S-8521A25MC-AXK-T2 Seiko Instruments, S-8521A25MC-AXK-T2 Datasheet - Page 26

• Manufacturer Part Number: S-8521A25MC-AXK-T2
• Description: DC/DC Switching Regulators 2.5V 60uA Step-Down
• Manufacturer: Seiko Instruments

Specifications of S-8521A25MC-AXK-T2

• Output Voltage: 2.5 V
• Output Current: 120 mA
• Input Voltage: 2.5 V to 10 V
• Duty Cycle (max): 100 %
• Switching Frequency: 180 KHz
• Mounting Style: SMD/SMT
• Package / Case: SOT-23-5
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

26
STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8520/8521 Series
(3) EXT pin output current “H” (I
(5) Soft start time (t
10
Input voltage (V
25
20
15
10
−60
−50
−40
−30
−20
−10
8
6
4
2
0
5
0
2
2
0
2
4
4
4
6
6
IN
6
SS
)
)-Input voltage (V
8
8
V
V
8
IN
V
IN
IN
[V]
[V]
10
[V]
10
10
EXTH
(f
12
osc
12
(f
)-
12
Ta = −40°C
Ta = +85°C
Ta = +25°C
Ta = −40°C
osc
Ta = +25°C
Ta = +85°C
Ta = −40°C
Ta = +25°C
Ta = +85°C
= 300 kHz)
IN
= 60 kHz)
)
14
14
14
Seiko Instruments Inc.
16
16
16
(4) EXT pin output current “L” (I
Input voltage (V
25
20
15
10
60
50
40
30
20
10
0
5
0
2
2
4
4
6
6
IN
)
V
8
8
V
IN
IN
[V]
[V]
10
10
EXTL
(f
)-
12
12
osc
Ta = −40°C
Ta = −40°C
Ta = +85°C
Ta = +25°C
Ta = +25°C
Ta = +85°C
= 180 kHz)
Rev.9.0
14
14
16
16
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