S-8521A33MC-AXST2G Seiko Instruments, S-8521A33MC-AXST2G Datasheet - Page 30
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S-8521A33MC-AXST2G
Manufacturer Part Number
S-8521A33MC-AXST2G
Description
IC REG PWM/PFM 180KHZ SOT23-5
Manufacturer
Seiko Instruments
Type
Step-Down (Buck)r
Datasheet
1.S-8520A21MC-AVGT2G.pdf
(44 pages)
Specifications of S-8521A33MC-AXST2G
Internal Switch(s)
No
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.3V
Current - Output
120mA
Frequency - Switching
180kHz
Voltage - Input
2.5 ~ 10 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SOT-23-5, SC-74A, SOT-25
Power - Output
250mW
Output Voltage
3.3 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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
30
STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8520/8521 Series
2. 2 Shutdown pin response (V
V
V
V
[1 V/div]
[1 V/div]
[1 V/div]
[1 V/div]
[1 V/div]
[1 V/div]
(1) S-8520/8521C30MC
(2) S-8520/8521A30MC
(3) S-8520/8521E33MC
ON
ON
ON
V
V
/
V
/
/
OFF
OFF
OFF
3 V
0 V
3 V
0 V
3 V
0 V
3 V
0 V
3 V
0 V
3 V
0 V
OUT
OUT
OUT
t [1 ms/div]
t [2 ms/div]
t [1 ms/div]
ON/OFF
______
= 0 V→1.8 V, I
(V
(V
(V
IN
IN
IN
Seiko Instruments Inc.
= 4.0 V)
= 3.6 V)
= 3.6 V)
OUT
= No load)
V
V
V
[1 V/div]
[1 V/div]
[1 V/div]
[1 V/div]
[1 V/div]
[1 V/div]
ON
ON
ON
3 V
V
/
V
/
V
/
OFF
OFF
OFF
0 V
3 V
0 V
3 V
0 V
3 V
0 V
3 V
0 V
3 V
0 V
OUT
OUT
OUT
t [1 ms/div]
t [2 ms/div]
t [1 ms/div]
Rev.9.0
(V
(V
(V
IN
IN
IN
= 9.0 V)
= 9.0 V)
= 9.0 V)
_00