Datasheet
1 Channnel Compact High Side Switch ICs
1.0A Current Limit High Side Switch ICs
BD2240G
BD2241G
●Key
Specifications
Input voltage range:
2.7V to 5.5V
ON resistance :
110mΩ(Typ.)
Over current threshold:
0.82A min., 1.12A max.
Standby current:
0.01μA (Typ.)
Operating temperature range:
-40℃ to +85℃
●Package
SSOP5
Low On-Resistance (Typ. 110mΩ) N-channel
MOSFET Built-in
Reverse Current Protection when
Power Switch Off
Output Discharge Function
Over-Current Detection
Thermal Shutdown
Open-Drain Fault Flag Output
Under-Voltage Lockout
Soft-Start Circuit
Control Input Logic
Active-High:
BD2240G
Active-Low:
BD2241G
W(Typ.) D(Typ.) H (Max.)
2.90mm x 2.80mm x 1.25mm
●General
Description
BD2240G and BD2241G are low on-resistance
N-channel MOSFET high-side power switches,
optimized for Universal Serial Bus (USB) applications.
BD2240G and BD2241G are equipped with the
function of over-current detection, thermal shutdown,
under-voltage lockout and soft-start.
●Features
SSOP5
●Typical
Application Circuit
5V (Typ.)
3.3V
C
IN
VIN
GND
VOUT
+
C
L
-
/OC
10kΩ~
100kΩ
EN
●Lineup
Min.
0.82A
0.82A
Over current detection
Typ.
Max.
0.97A
1.12A
0.97A
1.12A
Control input logic
High
Low
SSOP5
SSOP5
Package
Reel of 3000
Reel of 3000
Orderable Part Number
BD2240G – TR
BD2241G – TR
○Product
structure：Silicon monolithic integrated circuit
.
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© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This
product is not designed protection against radioactive rays
1/22
TSZ02201-0E3E0H300300-1-2
11.Mar.2013 Rev.001
BD2240G
●Block
Diagram
BD2241G
Datasheet
●Pin
Configurations
BD2240G
TOP VIEW
BD2241G
TOP VIEW
1 VIN
2 GND
3 EN
VOUT 5
1 VIN
2 GND
VOUT 5
/OC 4
3 /EN
/OC 4
●Pin
Descriptions
○BD2240G
Pin No.
Symbol
1
2
3
4
5
○BD2241G
Pin No.
1
2
3
4
5
VIN
GND
EN
/OC
VOUT
I/O
-
-
I
O
O
Function
Switch input and the supply voltage for the IC.
Ground.
Enable input.
High level input turns on the switch.
Over-current notification terminal.
Low level output during over-current or over-temperature condition.
Open-drain fault flag output.
Switch output.
Symbol
VIN
GND
/EN
/OC
VOUT
I/O
-
-
I
O
O
Function
Switch input and the supply voltage for the IC.
Ground.
Enable input.
Low level input turns on the switch.
Over-current notification terminal.
Low level output during over-current or over-temperature condition.
Open-drain fault flag output.
Switch output.
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TSZ22111・15・001
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11.Mar.2013 Rev.001
BD2240G
BD2241G
Datasheet
●Absolute
Maximum Ratings
(Ta=25℃)
Parameter
Symbol
VIN supply voltage
EN(/EN) input voltage
/OC voltage
/OC sink current
VOUT voltage
Storage temperature
Power dissipation
V
IN
V
EN(/EN)
V
/OC
I
/OC
V
OUT
T
STG
Pd
Ratings
-0.3 to 6.0
-0.3 to 6.0
-0.3 to 6.0
5
-0.3 to 6.0
-55 to 150
675
*1
Unit
V
V
V
mA
V
℃
mW
*1 Mounted on 70mm x 70mm x 1.6mm glass epoxy board. Reduce 5.4mW per 1℃ above 25℃
●Recommended
Operating Ratings
Parameter
VIN operating voltage
Operating temperature
Symbol
V
IN
T
OPR
Ratings
Min.
2.7
-40
Typ.
5.0
-
Max.
5.5
85
Unit
V
℃
●Electrical
Characteristics
(V
IN
= 5V, Ta= 25℃, unless otherwise specified.)
DC Characteristics
Parameter
Operating current
Standby current
EN(/EN) input voltage
EN(/EN) input leakage
On-resistance
Reverse leak current
Over-current threshold
Short circuit output current
Output discharge resistance
/OC output low voltage
UVLO threshold
AC Characteristics
Parameter
Output rise time
Output turn-on time
Output fall time
Output turn-off time
/OC delay time
Symbol
T
ON1
T
ON2
T
OFF1
T
OFF2
T
/OC
Limits
Min.
-
-
-
-
10
Typ.
1
1.5
1
3
15
Max.
6
10
20
40
20
Unit
ms
ms
μs
μs
ms
Conditions
R
L
= 20Ω
R
L
= 20Ω
R
L
= 20Ω
R
L
= 20Ω
Symbol
I
DD
I
STB
V
ENH(/ENH)
V
ENL(/ENL)
I
EN(/EN)
R
ON
I
REV
I
TH
I
SC
R
DISC
V
/OC
V
TUVH
V
TUVL
Limits
Min.
-
-
2.0
-
-1
-
-
820
500
30
-
2.1
2.0
Typ.
110
0.01
-
-
0.01
110
-
970
650
60
-
2.3
2.2
Max.
160
5
-
0.8
1
155
1.0
1120
850
120
0.4
2.5
2.4
Unit
μA
μA
V
V
μA
mΩ
μA
mA
mA
Ω
V
V
V
V
OUT
= 0V, RMS
I
DISC
= 1mA
I
/OC
= 0.5mA
V
IN
increasing
V
IN
decreasing
Conditions
V
EN
= 5V (BD2240G)
V
/EN
= 0V (BD2241G)
V
OUT
= open
V
EN
= 0V (BD2240G)
V
/EN
= 5V (BD2241G)
V
OUT
= open
High input
Low input
V
EN(/EN)
= 0V or 5V
I
OUT
= 500mA
V
OUT
= 5.0V, V
IN
= 0V
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© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
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TSZ02201-0E3E0H300300-1-2
11.Mar.2013 Rev.001
BD2240G
BD2241G
Datasheet
●Measurement
Circuit
V
IN
V
IN
A
VIN
1µF
GND
V
EN(/EN)
EN(/EN)
/OC
V
EN(/EN)
VOUT
A
VIN
1µF
GND
EN(/EN)
/OC
VOUT
R
L
A.
Operating current
B.
EN,/EN Input voltage, Output rise/fall time
V
IN
V
IN
10kΩ
A
VIN
1µF
GND
V
EN(/EN)
EN(/EN)
/OC
I
OUT
VOUT
A
I
OC
VIN
1µF
GND
V
EN(/EN)
EN(/EN)
/OC
VOUT
C.
On-resistance, Over-current detection
D.
/OC Output low voltage
Figure 1. Measurement circuit
●Timing
Diagram
V
EN
50%
50%
V
/EN
50%
50%
T
ON2
90%
T
OFF2
90%
10%
T
ON2
90%
T
OFF2
90%
10%
V
OUT
10%
V
OUT
10%
T
ON1
T
OFF1
T
ON1
T
OFF1
Figure 2. Output rise/fall time
(BD2240G)
Figure 3. Output rise/fall time
(BD2241G)
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TSZ22111・15・001
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TSZ02201-0E3E0H300300-1-2
11.Mar.2013 Rev.001
BD2240G
BD2241G
Datasheet
●Typical
Performance Curves
140
Ta=25°C
140
V
IN
=5.0V
OPERATING CURRENT : I
DD
[μA]
100
80
60
40
20
0
2
3
4
5
SUPPLY VOLTAGE : V
IN
[V]
Figure 4. Operating current
EN,/EN enable
OPERATING CURRENT : I
DD
[μA]
6
120
120
100
80
60
40
20
0
-50
0
50
100
AMBIENT TEMPERATURE : Ta[
℃
]
Figure 5. Operating current
EN,/EN enable
1.0
Ta=25°C
1.0
V
IN
=5.0V
STANDBY CURRENT : I
STB
[μA]
0.8
STANDBY CURRENT : I
STB
[μA]
0.8
0.6
0.6
0.4
0.4
0.2
0.2
0.0
2
3
4
5
SUPPLY VOLTAGE : V
IN
[V]
Figure 6. Standby current
EN,/EN disable
0.0
6
-50
0
50
100
AMBIENT TEMPERATURE : Ta[
℃
]
Figure 7. Standby current
EN,/EN disable
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TSZ22111・15・001
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TSZ02201-0E3E0H300300-1-2
11.Mar.2013 Rev.001
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