S-8521A25MC-AXK-T2 Seiko Instruments, S-8521A25MC-AXK-T2 Datasheet - Page 32

• 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

32
STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8520/8521 Series
2. 4 Load variation
[0.1 V/div]
[0.1 V/div]
(1) S-8520/8521C30MC
(2) S-8520/8521A30MC
(3) S-8520/8521E33MC
[0.1 V/div]
500 mA
500 mA
0.1 mA
0.1 mA
500 mA
0.1 mA
V
V
I
I
OUT
V
OUT
OUT
OUT
I
OUT
OUT
(V
(V
(V
IN
IN
IN
= 3.6 V, I
= 3.6 V, I
t [0.1 ms/div]
= 4.0 V, I
t [0.1 ms/div]
t [0.1 ms/div]
OUT
OUT
OUT
= 0.1 mA→500 mA)
= 0.1 mA→500 mA)
= 0.1 mA→500 mA)
Seiko Instruments Inc.
[0.1 V/div]
[0.1 V/div]
[0.1 V/div]
500 mA
500 mA
0.1 mA
0.1 mA
500 mA
0.1 mA
V
V
I
I
OUT
OUT
OUT
OUT
V
I
OUT
OUT
(V
(V
IN
(V
IN
= 3.6 V, I
IN
= 3.6 V, I
t [10 ms/div]
t [5 ms/div]
= 4.0 V, I
t [5 ms/div]
OUT
OUT
OUT
= 500 mA→0.1 mA)
= 500 mA→0.1 mA)
= 500 mA→0.1 mA)
Rev.9.0
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