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MP6231DH-LF-P

P1-P3P4-P6P7-P9P10-P12
MP6231/MP6232 –CURRENT-LIMITED POWER DISTRIBUTION SWITCHES
MP6231/MP6232 Rev. 1.2 www.MonolithicPower.com 4
3/31/2010 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
PIN FUNCTIONS
MP6231/MP6232
SOIC8
SOIC8E
MSOP8E
Name Description
1 GND Ground.
2 IN Input Voltage. Accepts 2.7V to 5.5V input.
3
EN1
Active Low: (MP6232), Active High: (MP6231)
4
EN2
Active Low: (MP6232), Active High: (MP6231)
5
FLAG2
IN-to-OUT2 Over-current, active-low output flag. Open-Drain.
6 OUT2 IN-to-OUT2 Power-Distribution Switch Output.
7 OUT1 IN-to-OUT1 Power-Distribution Switch Output
8
FLAG1
IN-to-OUT1 Over-current, active-low output flag. Open-Drain.
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= +25ºC, unless otherwise noted.
V
I
(EN
X
)
VI(ENX)
V
O
(OUT
X
)
OUT
X
RL
CL
V
O
(OUT
X
)
VO(OUTX)
50%
50%
50%
50%
90%
90%
90%
90%
10%
10%
10%
10%
t
on
t
r
t
f
ton
t
off
toff
VOLTAGE WAVEFORMS
TEST CIRCUIT
Figure 1—Test Circuit and Voltage Waveforms
MP6231/MP6232 –CURRENT-LIMITED POWER DISTRIBUTION SWITCHES
MP6231/MP6232 Rev. 1.2 www.MonolithicPower.com 5
3/31/2010 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
V
IN
=5.5V, C
L
= 1µF, T
A
= +25ºC, unless otherwise noted.
0
0.5
1
1.5
2
2.5
3
3.5
4
2.5 3 3.5 4 4.5 5 5.5 6 2.5 3 3.5 4 4.5 5 5.5 6
INPUT VOLTAGE (V) INPUT VOLTAGE (V)
TURN ON DELAY (ms)
Static Drain-Source
On-State Resistance vs.
Input Voltage
V
EN
=5V, I
OUT
=0.5A
Input to Output Voltage vs.
Load Current
V
EN
=5V
Current Limit
vs. Input Voltage
V
EN
=5V
Supply Current, Output Enabled
vs. Input Voltage
V
EN
=5V
0
0.2
0.4
0.6
0.8
1
1.2
TURN OFF DELAY (ms)
OUTPUT CURRENT (A)
0
20
40
60
80
100
120
2.533.544.555.56
2.5 3 3.5 4 4.5 5 5.5 6
2.5 3 3.5 4 4.5 5 5.5 6
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
0
10
20
30
40
50
60
70
80
90
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
INPUT TO OUTPUT VOLTAGE (mV)
Vin=5.5V
Vin=5V
Vin=4.5V
Vin=3.3V
Vin=2.7V
CURRENT LIMIT (A)
Threshold Trip Current vs.
Input Voltage
V
EN
=5V
2.5 3 3.5 4 4.5 5 5.5 6
INPUT VOLTAGE (V)
Current Limit Response Time
vs. Peak Current
V
EN
=5V
70
80
90
100
110
120
130
140
0.6
0.65
0.7
0.75
0.8
0.85
0.9
0.8
0.9
1
1.1
1.2
1.3
1.4
1.5
THRESHOLD TRIP CURRENT (A)
0
5
10
15
20
25
30
35
40
45
02468101214
PEAK CURRENT (A)
Static Drain-Source On-State
Resistance Variation vs.
Ambient Temperature
I
O
=0.1A, V
IN
=5V
-30
-25
-20
-15
-10
-5
0
5
10
15
20
25
30
-45 -30 -15 0 15 30 45 60 75 90
AM BIENT T EM PERATURE (
0
C)
MP6231/MP6232 –CURRENT-LIMITED POWER DISTRIBUTION SWITCHES
MP6231/MP6232 Rev. 1.2 www.MonolithicPower.com 6
3/31/2010 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2010 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
V
IN
=5.5V, C
L
= 1µF, T
A
= +25ºC, unless otherwise noted.
Turn On Delay
and Rise Time
with 0.1uF Load
V
EN
=5V, C
L
=0.1uF
Ramped Load
on Enabled Device
V
EN
=5V, C
L
=1uF
Short Circuit Current
Device Enabled into Short
V
EN
=5V, C
L
=1uF
Threshold Trip Current
with Ramped Load
on Enabled Device
V
EN
=5V, C
L
=1uF
Turn Off Delay
and Fall Time
with 0.1uF Load
V
EN
=5V, C
L
=0.1uF
EN
5V/div
V
OUT
2V/div
EN
5V/div
V
OUT
2V/div
EN
5V/div
I
OUT
200mA/div
EN
5V/div
I
OUT
200mA/div
I
OUT
500mA/div
Flag
5V/div
I
OUT
1A/div
Flag
5V/div
I
OUT
500mA/div
EN
5V/div
V
OUT
2V/div
EN
5V/div
V
OUT
2V/div
V
OUT
2V/div
1s/div
4ms/div
1ms/div 2ms/div2ms/div
P1-P3P4-P6P7-P9P10-P12

MP6231DH-LF-P

Mfr. #:
Buy MP6231DH-LF-P
Manufacturer:
Monolithic Power Systems (MPS)
Description:
Power Switch ICs - Power Distribution .5A Active High 2-Ch Current Limit Switch
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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