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Data Sheet 6.124-G
IR6311G
INTELLIGENT HIGH SIDE MOSFET POWER SWITCH
Features
* * * * * * * * * *
PWM Current Limit for Short Circuit Protection Over-Temperature Protection Active Output Negative Clamp Reverse Battery Protection for Logic Circuit Broken Ground Protection Short to VCC Protection Low Noise Charge Pump Sleep Mode Supply Current 4kV ESD Protection On All Pins Logic Ground Isolated From Power Ground
Vcc(op) Rds(on) Ilim Tj(sd) Eav Applications
5v-50v 150m 5A 170oC 100mJ
General Description
The IR6311G is a monolithic HIGH SIDE SWITCH with built in short circuit, over- temperature, ESD, inductive load turn off capability and diagnostic feedback. The on-chip protection circuit goes into PWM mode, limiting the average current during short circuit if the drain current exceeds 5A. The protection circuit latches off the high side switch if the junction temperature exceeds 170oC and latches on after the junction temperature falls by 10oC. The Vcc (drain) to OUT (source) voltage is actively clamped at 55V, improving its performance during turn off with inductive loads. The on-chip charge pump high side driver stage is floating and referenced to the source of the power MOSFET. Thus the logic to power ground isolation can be as high as 50V. This allows operation with larger offset as well as controlling the switch during load energy recirculation or regeneration. A diagnostic pin is provided for status feedback of short circuit, over temperature and open load detection.
* Solenoid Driver * Programmable Logic Controller
Truth Table
Condition Normal Normal Output Open Output Open Shorted Output
Out In H H L L H H H L H Current-Limiting
PWM Mode
Dg H L H H L L L L
L Shorted Output Over-Temperature H Over-Temperature L
L L L
Block Diagram
Vcc
Available Packages
SO8 Package
GND OUT
IR6311G
Absolute Maximum Ratings
Absolute Maximum Ratings indicate sustained limits beyond which damage to the device may occur. (Tc = 25oC unless otherwise specified.)
Symbol Parameter
Vcc Voffset Vin Iin V out I out Vdg Idg Eav ESD1 ESD2 PD TJop TStg Permanent Reverse Logic to Power Ground Offset Input Voltage Input Current Output Voltage Output Current Diagnostic Output Voltage Diagnostic Output Current Repetitive Avalanche Energy Electrostatic Discharge (Human Body Model) Electrostatic Discharge (Machine Model) Power Dissipation Operating Junction Temperature Range Storage Temperature Range Supply Voltage
Min.
-0.3 -16 Vcc -50 -0.3 -- Vcc -50 -- -0.3 -- -- -- -- -- -40 -40
Max.
50 -- Vcc +0.3 7 10 Vcc +0.3
self-limited
Units
V mA V A V mA mJ V V W
o
Test Conditions
Pin 5 to Pin 3 (1), for 10 seconds
7 10 100 4000 500 2 150 150
I = 2A(2) C=100 pF, R = 1500 C=200 pF, R = 0 Tambient=25oC
C
NOTES:(1) with 15k resistors in input and diagnostic waveform)
(2) maximum frequency depends on heatsink (rectangular
Static Electrical Characteristics
(Tc = 25oC and Vcc = 16V unless otherwise specified.)
Symbol Parameter
Vccop Iccoff Iccon Iccac Vih Vil Ilon Iloff I oh Iol Vdgl Idgh R DS(on) Operating Voltage Range Sleep Mode Supply Current Supply Current (Average) Supply Current (AC RMS) High Level Input Threshold Voltage Low Level Input Threshold Voltage On-State Input Current Off-State Input Current Output Leakage Current Output Leakage Current Low Level Diagnostic Output Voltage Diagnostic Output Leakage Current On-State Resistance
Min.
5 -- -- -- -- 1 10 1 -- 0 -- 0 --
Typ.
-- 30 1 20 2 1.8 -- -- 20 -- 0.3 -- 120
Max. Units Test Conditions
50 -- -- -- 2.5 -- 140 30 -- 10 -- 10 150 V A mA A V Vin = 5.5V Vin = 0.4V Vout = 6V Vout = 0V Idg = 1.6mA Vdg = 5V Iout = 1A Vcc=24V, Vin=0V Vin = 5V Vin = 5V
A
V A m
Switching Electrical Characteristics
(VCC = 14V, Resistive Load (RL) = 12, TC= 25oC.)
Symbol Parameter
tc Dc ton toff dv/dton dv/dtoff Over-Current Cycle Time Over-Current Duty Cycle Turn-On Delay Time to 90% Turn-Off Delay Time to 10% Slew Rate On Slew Rate Off
Min.
-- -- -- -- -- --
Typ.l Max. Units Test Conditions
3 10 50 60 3 5 -- -- -- -- -- -- mS % s V/s
2
IR6311G
Protection Characteristics
Symbol Parameter
Ilim Vsc Vslh Vcl1 Vcl2 Internal Current Limit Short Circuit Detection Voltage Open Load Detection Voltage Output Negative Clamp Output Negative Clamp
Min.
-- -- -- 40 --
Typ.
5 3.0 3.0 54 56
Max. Units Test Conditions
-- -- -- -- 62 A V Iout = 10mA Iout = 2A
Thermal Characteristics
Symbol Parameter
T jsd Thys Rthjc Rth jA Thermal Shutdown Temperature Thermal Hysteresis Thermal Resistance, Junction to PCB Thermal Resistance, Junction to Ambient
Min.
-- -- -- --
Typ.
170 10 60 80
Max. Units Test Conditions
-- -- -- -- oC oC/W
Pin Assignment
Pin # 1 IN Pin # 2 DG Pin #3 GND Pin #4 OUT (source) Pin #5 Vcc Pin #6 Vcc Pin #7 Vcc Pin #8 Vcc
3
IR6311G
Case Outline -- SO8 (8 pin)
LEAD ASSIGNMENTS: 1 - IN 5 - Vcc 2 - DG 6 - Vcc 3 - GND 7 - Vcc 4 - OUT 8 - Vcc
H 0.2 5 (.0 10 ) M AM
D -B -
D IM A A1 B C D E e e1 H K
IN C H E S M IN .0532 .0040 .014 .0 075 .1 89 .150 MAX .0688 .0098 .018 .0 098 .1 96 .157
M IL LIM E T E R S M IN 1 .35 0 .10 0 .36 0 .19 4 .80 3 .81 M AX 1 .75 0 .25 0 .46 0.25 4.98 3 .99
5
5
8 E -A -
7
6
5
1
2
3
4
e 6X
e1 A
K x 45
.050 B A S IC .025 B A S IC .2 284 .011 0 .16 0 .2 440 .019 .050 8
1.2 7 B A S IC 0.6 35 B A S IC 5 .80 0 .28 0 .41 0 6.20 0 .48 1.27 8
-CB 8X 0 .25 (.01 0) A1 M CASBS
0 .10 (.00 4)
L 8X
6
C 8X
L
R E CO M M E ND E D F O O TP R IN T 0 .72 (.02 8 ) 8X
N O TE S : 1 . D IM EN SIO N IN G AN D TO L ER A NC IN G P ER AN S I Y1 4.5 M -198 2. 2 . C O N TRO L LIN G D IM EN SIO N : IN C H . 3 . D IM EN SIO N S A RE SH O W N IN M ILLIM E TE R S (IN C HE S). 4 . O U TLIN E CO N F O RM S TO JED E C O U TLINE M S -0 12 AA . 5 D IM E NS IO N D O ES N O T IN C LU D E M O LD PR O TR US IO N S M O LD P R O TR U SIO NS N O T TO EXCE ED 0 .2 5 (.00 6). 6 D IM E NS IO N S IS TH E LE N G TH O F L EA D FO R SO L DE R IN G TO A SU B STRA TE..
6 .46 ( .25 5 )
1 .78 (.07 0) 8X
1.27 ( .0 50 ) 3X
WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, Tel: (310) 322 3331 EUROPEAN HEADQUARTERS: Hurst Green, Oxted, Surrey RH8 9BB, UK Tel: ++ 44 1883 732020 IR CANADA: 15 Lincoln Court, Brampton, Ontario L6T 3Z2 , Tel: (905) 453-2200 IR GERMANY: Saalburgstrasse 157, 61350 Bad Homburg Tel: ++ 49 6172 96590 IR ITALY: Via Liguria 49, 10071 Borgaro, Torino Tel: ++ 39 11 451 0111 IR FAR EAST: K&H Bldg., 2F, 3-30-4 Nishi-Ikeburo 3-Chome, Toshima-Ki, Tokyo Japan 171 Tel: 81 3 3983 0086 IR SOUTHEAST ASIA: 315 Outram Road, #10-02 Tan Boon Liat Building, Singapore 0316 Tel: 65 221 8371 http://www.irf.com/ Data and specifications subject to change without notice. 11/96
4

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