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What is BLI9182?

This electronic component, produced by the manufacturer "SHANGHAI BELLING", performs the same function as "2.0-A Synchronous Step-Down Converter".


BLI9182 Datasheet PDF - SHANGHAI BELLING

Part Number BLI9182
Description 2.0-A Synchronous Step-Down Converter
Manufacturers SHANGHAI BELLING 
Logo SHANGHAI BELLING Logo 


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BLI9182
4.3V to 18V Input, 2.0-ASynchronous Step-Down Converter with Fast Transient Response
Features
2.0-A Output Current
High Efficient Integrated FETs Optimized for
portable application:
95m(High side) and 90m(Low side)
High Efficiency
Up to 95% Efficiency @ 5V Input, 3.3V Output
Up to 93% efficiency @ 12V Input, 3.3V Output
Wide Input Voltage Range: 4.3V to 18V @ 2.0-A
loading
Wide Output Voltage Range: 0.918V to 14V @
2.0-A loading ( 32Watt output @max)
Low Output Ripple and Allows Ceramic Output
Capacitor
Thermal Shutdown Protection
340-KHz Switching Frequency(fsw)
Cycle By Cycle Over Current Limit
+/-1.5% High Accuracy Feedback Voltage
Applications
Wide Range of Applications for Low Voltage
System
- Digital TV Power Supply
- High Definition Blu-ray Disc Players
- Networking Home Terminal
- Digital STB
- Ideal for Portable Applications
Descriptions
The BLI9182 is a current mode synchronous
buck converter, and has a proprietary W-mode™®
Gm curvature circuit that enables fast transient
response, enables the device to adopt to both low
ESR output capacitors, such as POSCAP or
SP-CAP, and ultra-low ESR ceramic capacitors.
The BLI9182 operates from 4.3-V to 18-V Vin
input, and the output voltage can be programmed
between 0.918V to 14v with 2.0A output current,
and +/-1.5% high accuracy output voltage.
Due to 95m(High side) and 90m(Low side)
integrated FETs, the BLI9182 works in high
efficiency (up to 94% @12V Input, 3.3V output) .
Typical Application
Input 4.3V – 18V
C3 10nF
C1
10µF/25V
Ceramic
C8
0.1µF
R4 100K 2
1
IN
7
EN
BS 3
SW
8 FB 5
SS COMP G
64
C4
3.3nF
R3
2.2K
L1 10µH
R1 26.1K
1%
R2 10K
1%
Output
3.3V 2.3A
Cout
22µF/6.3V
Ceramic
X2
Page1
www.belling.com.cn
V1.3

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BLI9182 equivalent
APPLICATION SCHEMATIC (1)
1) With Electrolytic Capacitor
Input 4.75V – 18V
R4 100K
C3 10nF
BLI9182
C1
220uF
Electrolytic
C2
0.1µF
Ceramic
7
EN
2
IN
1
BS 3
SW
4
G
C5
Optional
COMP
FB
SS
5
6
C4
3.3nF
8
C8
0.1µF
R3
2.2K
L1 10µH
Output
3.3V 2.0A
R1 26.1K
1%
R2 10K
1%
Co2
220uF
Electrolytic
Co1
10µF/6.3V
Ceramic
Figure 1
Compatible with main competitors without any external component change!
RECOMMENDED COMPONENT SELECTION
Vout Cout
R1 R2
1.0V
1.2V
1.8V
2.5V
3.3V
5.0V
1.0V
1.2V
1.8V
2.5V
3.3V
5.0V
1.0V
1.2V
1.8V
2.5V
3.3V
5.0V
12V
22µF Ceramic X2
22µF Ceramic X2
22µF Ceramic X2
22µF Ceramic X2
22µF Ceramic X2
22µF Ceramic X2
47µF SP Cap
47µF SP Cap
47µF SP Cap
47µF SP Cap
47µF SP Cap
47µF SP Cap
470µF/6.3V/Electrolytic
470µF/6.3V/Electrolytic
470µF/6.3V/Electrolytic
470µF/6.3V/Electrolytic
470µF/6.3V/Electrolytic
470µF/10V/Electrolytic
470µF/25V/Electrolytic
1.0K
4.7K
9.7K
12.0K
26.1K
30.0K
1.0K
4.7K
9.7K
12.0K
26.1K
30.0K
1.0K
4.7K
9.7K
12.0K
26.1K
30.0K
62.0K
10K
15K
10K
6.8K
10K
6.8K
10K
15K
10K
6.8K
10K
6.8K
10K
15K
10K
6.8K
10K
6.8K
5.1K
R3
(comp)
50
100
300
1.5K
2.2K
2.7K
50
100
300
1.5K
2.2K
2.7K
50
100
300
1.5K
2.2K
2.7K
3.3K
C4
(comp)
10nF
10nF
3.3nF
3.3nF
3.3nF
3.3nF
10nF
10nF
3.3nF
3.3nF
3.3nF
3.3nF
10nF
10nF
3.3nF
3.3nF
3.3nF
3.3nF
3.3nF
C5
(optional)
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
150pF
150pF
150pF
150pF
150pF
150pF
150pF
L(inductor)
3.3µH
3.3µH
4.7µH
6.8µH
10µH
22µH
3.3µH
3.3µH
4.7µH
6.8µH
10µH
22µH
3.3µH
3.3µH
4.7µH
6.8µH
10µH
22µH
47µH
Page5
www.belling.com.cn
V1.3


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for BLI9182 electronic component.


Information Total 8 Pages
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Featured Datasheets

Part NumberDescriptionMFRS
BLI9182The function is 2.0-A Synchronous Step-Down Converter. SHANGHAI BELLINGSHANGHAI BELLING
BLI9184The function is 3.0-A Synchronous Step-Down Converter. SHANGHAI BELLINGSHANGHAI BELLING

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