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BD2222G 数据表(PDF) 1 Page - Rohm

部件名 BD2222G
功能描述  1ch Adjustable Current Limit High Side Switch ICs
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制造商  ROHM [Rohm]
网页  http://www.rohm.com
标志 ROHM - Rohm

BD2222G 数据表(HTML) 1 Page - Rohm

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Datasheet
Product structure
Silicon monolithic integrated circuit
This product is not designed protection against radioactive rays
1/26
TSZ22111
14
001
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ02201-0E3E0H300280-1-2
9.JUN.2014 Rev.004
www.rohm.com
1 Channel Compact High Side Switch ICs
1ch Adjustable Current Limit
High Side Switch ICs
BD2222G
BD2242G
BD2243G
Description
BD2222G,
BD2242G
and
BD2243G
are
low
on-resistance N-channel MOSFET high-side power
switches, optimized for Universal Serial Bus (USB)
applications. These devices are equipped with the
function of over-current detection, thermal shutdown,
under-voltage lockout and soft-start. Moreover, the
range of Current limit threshold can be adjusted from
0.2A to 1.7A by changing the external resistance.
Features
Adjustable Current Limit Threshold: 200mA to 1.7A
Low On-Resistance (Typ 89mΩ) N-channel
MOSFET Built-in
Soft-Start Circuit
Output Discharge Function
BD2242G, BD2243G
Open-Drain Fault Flag Output
Thermal Shutdown
Under-Voltage Lockout
Reverse Current Protection when Power Switch Off
Control Input Logic Active-High
Active-High:
BD2222G, BD2242G
Active-Low:
BD2243G
Applications
USB hub in consumer appliances, PC,
PC peripheral equipment and so forth
Key Specifications
Input Voltage Range:
2.8V to 5.5V
On Resistance: (IN=5V)
89mΩ(Typ)
Current Limit Threshold:
0.2A to 1.7A adjustable
Standby Current:
0.01µA (Typ)
Operating Temperature Range:
-40°C to +85°C
Package
W(Typ)
D(Typ)
H (Max)
SSOP6
2.90mm x 2.80mm x 1.25mm
Typical Application Circuit
CL
120µF
CIN
1µF
IN
GND
EN
OUT
/OC
5V (Typ)
+
-
RLIM
ILIM
3.3V
10k
Ω
to
100k
Ω
10µF
Lineup
Output Load
Current
Adjustable
Current Limit
Threshold
Channel
Control input
logic
Output
Discharge
function
Package
Orderable Part
Number
Max
1.5A
200mA to 1.7A
1ch
High
No
SSOP6
Reel of 3000
BD2222G – GTR
1.5A
200mA to 1.7A
1ch
High
Yes
SSOP6
Reel of 3000
BD2242G – GTR
1.5A
200mA to 1.7A
1ch
Low
Yes
SSOP6
Reel of 3000
BD2243G – GTR
SSOP6
Figure 1. Typical Application Circuit


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