MP5000S Switch Datasheet

MP5000S Datasheet, PDF, Equivalent


Part Number

MP5000S

Description

5A Programmable Current Limit Switch

Manufacture

MPS

Total Page 13 Pages
Datasheet
Download MP5000S Datasheet


MP5000S
MP5000S
12V, 5A Programmable Current
Limit Switch
DESCRIPTION
The MP5000S is a protection device designed to
protect circuitry on the output (source) from
transients on input (VCC). It also protects VCC from
undesired shorts and transients coming from the
source.
At start up, inrush current is limited by limiting the
slew rate at the source. The slew rate is
controlled by a small capacitor at the dv/dt pin.
The dv/dt pin has an internal circuit that allows
the customer to float this pin (no connect) and
still receive 0.9ms ramp time at the source.
The maximum load at the output (source) is
current limited. This is accomplished by utilizing a
sense FET topology. The magnitude of the
current limit is controlled by an external resistor
from the I-Limit pin to the Source pin.
An internal charge pump drives the gate of the
power device, allowing a very low on-resistance
DMOS power FET of just 40m.
The source is protected from the VCC input being
too low or too high. Under Voltage Lockout
(UVLO) assures that VCC is above the minimum
operating threshold, before the power device is
turned on. If VCC goes above the high output
threshold, the source voltage will be limited.
FEATURES
Integrated 40mΩ Power FET
Enable/Fault Pin
Adjustable Slew Rate for Output Voltage
Adjustable Current Limit: 1-5A
Thermal Protection
Over Voltage Limit
APPLICATIONS
Hot Swap
PC Cards
Laptops
All MPS parts are lead-free and adhere to the RoHS directive. For MPS green
status, please visit MPS website under Products, Quality Assurance page.
“MPS” and “The Future of Analog IC Technology” are registered trademarks of
Monolithic Power Systems, Inc.
TYPICAL APPLICATION
MP5000S Rev. 1.0
www.MonolithicPower.com
4/29/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
1

MP5000S
MP5000S 12V, 1A-5A PROGRAMMABLE CURRENT LIMIT SWITCH
ORDERING INFORMATION
Part Number*
MP5000SDQ
Package
QFN10 (3 x3mm)
Top Marking
ADT
* For Tape & Reel, add suffix Z (e.g. MP5000SDQZ);
For RoHS Compliant Packaging, add suffix LF (e.g. MP5000SDQLFZ)
PACKAGE REFERENCE
ABSOLUTE MAXIMUM RATINGS (1)
VCC, SOURCE, I-LIMIT .................. -0.3V to 22V
dv/dt, ENABLE/FAULT..................... -0.3V to 6V
Storage Temperature............... -65C to +155C
Continuous Power Dissipation (TA = +25°C) (2)
............................................................2.5W
Operating Junction Temperature. -40C to 150C
Input Voltage Transient (100mS) ......... VIN=25V
Recommended Operating Conditions (3)
Input Voltage Operating Range…….10V to 18V
Continuous Current
0.5 in2 pad .................................................4.2A
For Minimum Copper, TA=80°C...................2.3A
Operating Junction Temp. (TJ). -40°C to +125°C
Thermal Resistance (4) θJA θJC
QFN10....................................50 ...... 12 ...C/W
Notes:
1) Exceeding these ratings may damage the device.
2) The maximum allowable power dissipation is a function of the
maximum junction temperature TJ(MAX), the junction-to-
ambient thermal resistance θJA, and the ambient temperature
TA. The maximum allowable continuous power dissipation at
any ambient temperature is calculated by PD(MAX)=(TJ(MAX)-
TA)/ θJA. Exceeding the maximum allowable power dissipation
will cause excessive die temperature, and the regulator will go
into thermal shutdown. Internal thermal shutdown circuitry
protects the device from permanent damage.
3) The device is not guaranteed to function outside of its
operating conditions.
4) Measured on JESD51-7, 4-layer PCB.
MP5000S Rev. 1.0
www.MonolithicPower.com
4/29/2013
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
2


Features MP5000S 12V, 5A Programmable Current Lim it Switch DESCRIPTION The MP5000S is a protection device designed to protect circuitry on the output (source) from t ransients on input (VCC). It also prote cts VCC from undesired shorts and trans ients coming from the source. At start up, inrush current is limited by limiti ng the slew rate at the source. The sle w rate is controlled by a small capacit or at the dv/dt pin. The dv/dt pin has an internal circuit that allows the cus tomer to float this pin (no connect) an d still receive 0.9ms ramp time at the source. The maximum load at the output (source) is current limited. This is ac complished by utilizing a sense FET top ology. The magnitude of the current lim it is controlled by an external resisto r from the I-Limit pin to the Source pi n. An internal charge pump drives the g ate of the power device, allowing a ver y low on-resistance DMOS power FET of j ust 40mΩ. The source is protected fro m the VCC input being too low or too high. Under Voltage Lockou.
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