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BL8021 Fiches technique(PDF) 3 Page - SHANGHAI BELLING CO., LTD.

No de pièce BL8021
Description  1.2A 1.5MHz 7V Synchronous Buck Converter
PDF  7 Pages
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Fabricant  BELLING [SHANGHAI BELLING CO., LTD.]
Site Internet  http://www.belling.com.cn
Logo BELLING - SHANGHAI BELLING CO., LTD.

BL8021 Fiches technique(HTML) 3 Page - SHANGHAI BELLING CO., LTD.

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3
BL8021
PIN DESCRIPTION
PIN #
NAME
DESCRIPTION
1
EN
Enable pin for the IC. Drive the pin to high to enable the part, and low to disable
2
GND
Ground
3
SW
Inductor connection. Connect an inductor between SW and the regulator output.
4
IN
Supply voltage.
5
FB
Feedback input. Connect an external resistor divider from the output to FB and
GND to set the output to a voltage between 0.6V and Vin
ELECTRICAL PERFORMANCE
Tested under TA=25C, unless otherwise specified
35
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0
100 200 300 400 500 600 700 800 900 1000
Load Current (mA)
Efficiency VS Load Current,
Vout=1.8V
Vin=4.2V
Vin=3.6V
Vin=2.7V
35
40
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50
55
60
65
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0
100 200 300 400 500 600 700 800 900 1000
Load Current (mA)
Efficiency VS Load Current,
Vout=2.5V
Vin=4.2V
Vin=3.6V
Vin=2.7V
35
40
45
50
55
60
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75
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85
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95
100
0
100 200 300 400 500 600 700 800 900 1000
Load Current (mA)
Efficiency VS Load Current,
Vout=1.2V
Vin=4.2V
Vin=3.6V
Vin=2.7V



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