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Número de pieza | IPS521S | |
Descripción | FULLY PROTECTED HIGH SIDE POWER MOSFET SWITCH | |
Fabricantes | International Rectifier | |
Logotipo | ||
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No Preview Available ! Data Sheet No.PD 60158-H
IPS521/IPS521S
FULLY PROTECTED HIGH SIDE POWER MOSFET SWITCH
Features
• Over temperature protection (with auto-restart)
• Short-circuit protection (current limit)
• Active clamp
• E.S.D protection
• Status feedback
• Open load detection
• Logic ground isolated from power ground
Description
The IPS521/IPS521S are fully protected five terminal
high side switches with built in short-circuit , over-
temperature, ESD protection, inductive load capability
and diagnostic feedback. The output current is con-
trolled when it reaches Ilim value. The current
limitation is activated until the thermal protection
acts. The over-temperature protection turns off the
high side switch if the junction temperature exceeds
Tshutdown. It will automatically restart after the junc-
tion has cooled 7oC below Tshutdown. A diagnostic
pin is provided for status feedback of short-circuit,
over-temperature and open load detection. The double
level shifter circuitry allows large offsets between the
logic ground and the load ground.
Product Summary
Rds(on)
80mΩ (max)
V clamp
I Limit
V open load
50V
10A
3V
Truth Table
Op. Conditions In Out
Normal
HH
Normal
LL
Open load
HH
Open load
LH
Over current
H L (limiting)
Over current
L
L
Over-temperature H L (cycling)
Over-temperature L
L
Dg
H
L
H
H
L
L
L
L
Typical Connection
Packages
+ 5v
15K
Status
feedback
Rdg
Dg
Rin
Logic
signal
In
+ VCC
Output pull-up resistor
Logic
control
Vcc
Out
Gnd
Load
Logic Gnd
Load Gnd
5 Lead
TO220 - IPS521
www.irf.com
5 Lead
D2Pak (SMD220)
IPS521S
1
1 page Functional Block Diagram
All values are typical
IPS521/IPS521S
VCC
IN
7V
DG
7V
62 V
Over
temperature
165°C
158°C Tj
Charge
pump
50V
2.7 V
200 KΩ
2.2 V
Level
shift
driver
-
Current
limit
+
10 A
40 Ω
-
3V
+
Open load
GND
Short-circuit
+
-
3V
VOUT
Vin
T clamp
Iout
Out
( + Vcc )
0V
V clamp
( see Appl . Notes to evaluate power dissipation )
Figure 1 - Active clamp waveforms
www.irf.com
Vin 5 V
0V
Iout
Ilim.
limiting
T
Tsd+
T(1s6d0- ° )
T shutdown
cycling
Figure 2 - Protection timing diagram
5
5 Page Case Outline 5 Lead - D2PAK (SMD220)
IPS521/IPS521S
01-3066 00
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245 Tel: (310) 252-7105
IR EUROPEAN REGIONAL CENTRE: 439/445 Godstone Rd., Whyteleafe, Surrey CR3 0BL, United Kingdom
Tel: ++ 44 (0) 20 8645 8000
IR JAPAN: K&H Bldg., 2F, 30-4 Nishi-Ikebukuro 3-Chome, Toshima-Ku, Tokyo, Japan 171-0021 Tel: 8133 983 0086
IR HONG KONG: Unit 308, #F, New East Ocean Centre, No. 9 Science Museum Road, Tsimshatsui East, Kowloon
Hong Kong Tel: (852) 2803-7380
Data and specifications subject to change without notice. 3/27/2000
www.irf.com
11
11 Page |
Páginas | Total 11 Páginas | |
PDF Descargar | [ Datasheet IPS521S.PDF ] |
Número de pieza | Descripción | Fabricantes |
IPS521 | FULLY PROTECTED HIGH SIDE POWER MOSFET SWITCH | International Rectifier |
IPS521G | FULLY PROTECTED HIGH SIDE POWER MOSFET SWITCH | International Rectifier |
IPS521S | FULLY PROTECTED HIGH SIDE POWER MOSFET SWITCH | International Rectifier |
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