MP5003 – 3.3V, 1A-3A PROGRAMMABLE CURRENT LIMIT SWITCH WITH AUTO ENABLE
MP5003 Rev. 0.921 www.MonolithicPower.com 4
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© 2012 MPS. All Rights Reserved.
PIN FUNCTIONS
Pin # Name Description
1-5 VOUT This pin is the V
OUT
of the internal power FET and the output terminal of the IC.
6 +ILIMIT A resistor between these pins sets the overload and short circuit current limit levels.
7 -ILIMIT A resistor between these pins sets the overload and short circuit current limit levels.
8 Enable/Fault
The Enable/Fault pin is a bi-directional interface. It can be used to enable the output
of the device by floating the pin, or disable the chip by pulling it to ground (using an
open drain or open collector device). If a thermal fault occurs, the voltage on this pin
will drive to ground, automatically.
9 dv/dt
The internal dv/dt circuit controls the slew rate of the output voltage at turn on. It has
an internal capacitor that allows it to ramp up over the period of 1.1ms. An external
capacitor can be added to this pin to increase the ramp time. If an additional time
delay is not required, this pin should be left open.
10 GND Negative Input Voltage to the Device. This is used as the internal reference for the IC.
11 VIN Positive input voltage to the device (Exposed Pad).
MP5003 – 3.3V, 1A-3A PROGRAMMABLE CURRENT LIMIT SWITCH WITH AUTO ENABLE
MP5003 Rev. 0.921 www.MonolithicPower.com 5
2/29/2012 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
V
IN
=3.3V, V
EN
=3.3V, R
LIMIT
=24, C
OUT
=10F, Cdv/dt=1nF, T
A
=25°C, unless otherwise noted.
1.2
1.3
1.4
1.5
1.6
1.7
1.8
2.5 3 3.5 4
INPUT VOLT AGE (V)
LOAD CURRENT(A)
INPUT TO OUTPUT VOLTAGE(mV)
SUPPLY CURRENT(mA)
Supply Current,Output Enabled
vs.Input Voltage
No load, EN floating
Supply Current,Output Disabled
vs.Input Voltage
V
EN
=0V
0.75
0.8
0.85
0.9
0.95
2.5 3 3.5 4
INPUT VOLTAGE(V)
SUPPLY CURRENT(mA)
Static Drain-Source On-State
Resistance vs. Input Voltage
I
OUT
=1A
INPUT VOLTAGE(V)
INPUT VOLTAGE(V)
0
20
40
60
80
100
120
140
0 0.5 1 1 .5 2 2.5
2.3
2.4
2.5
2.6
2.7
2.8
2.5 3 3.5 4
TRIP CURRENT(A)
1.4
1.5
1.6
1.7
1.8
2.5 3 3.5 4
H O LD C U R R EN T(A )
Current Limit Response
vs. Peak Current
No Cout
4
10
16
22
28
3 8 13 18
PEAK CURRENT(A)
RESPONSE TIME(us)
Trip and Hold Current
vs. RLIMIT
0
1
2
3
4
5
6
0 20 40 60 80 100 120
TRIP CURRENT & HOLD CURRENT(A)
Trip Current
Hold Current
V
IN
=3V
V
IN
=3.3V
V
IN
=3.6V
V
IN
=3.9V
40
45
50
55
60
65
70
2.5 3 3.5 4
INPUT VOLTAGE (V)
MP5003 – 3.3V, 1A-3A PROGRAMMABLE CURRENT LIMIT SWITCH WITH AUTO ENABLE
MP5003 Rev. 0.921 www.MonolithicPower.com 6
2/29/2012 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
V
IN
=3.3V, V
EN
=3.3V, R
LIMIT
=24, C
OUT
=10F, Cdv/dt=1nF, T
A
=25°C, unless otherwise noted.
V
OUT
2V/div
I
OUT
1A/div
2ms/div
Inrush Current with Different
Load Capacitance
No Cdv/dt
Trip Current with Ramped
Load on Enabled Device
No Cdv/dt
EN
2V/div
I
OUT
500mA/div
1ms/div
Turn on Delay and Rise Time
Cdv/dt=1nF
C
OUT
=10uF,no load
V
OUT
2V/div
EN
2V/div
10ms/div
Turn on Delay and Rise Time
No Cdv/dt
C
OUT
=10uF,no load
V
OUT
2V/div
EN
2V/div
1ms/div
Turn off Delay and Fall Time
No Cdv/dt
C
OUT
=10uF,no load
V
OUT
2V/div
EN
2V/div
10ms/div
V
OUT
2V/div
EN
2V/div
1ms/div
10ms/div
Short Circuit Current,
Device Enabled into Short
No Cdv/dt
EN
2V/div
I
OUT
1A/div
100us/div
I
OUT
1A/div
400ms/div
Short Circuit Current,
Device Enabled into Short,
Thermal Shut down, and
Auto Start Up
EN Floating, No Cdv/dt
EN
2V/div
I
OUT
1A/div
V
OUT
2V/div
EN
2V/div
I
OUT
1A/div
2200uF
1000uF
470uF

MP5003EQ-LF-Z

Mfr. #:
Manufacturer:
Monolithic Power Systems (MPS)
Description:
Hot Swap Voltage Controllers 3.3V 1A-5A Prog Current Limit Switch
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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