SP619 Datasheet PDF - Exar
Part Number | SP619 | |
Description | High Current Power Switch | |
Manufacturers | Exar | |
Logo | ||
There is a preview and SP619 download ( pdf file ) link at the bottom of this page. Total 7 Pages |
Preview 1 page No Preview Available ! SP619
High Current Power Switch
FEATURES
• Max RDS(ON) .377 Ohms
• Overcurrent deactivation 800mA
• Max leakage current less than 2µA
while deactivated
• Small 6 pin SOT-23 package
• Built-in Over-temperature Protection
• 4.5V to 5.5V input voltage range
APPLICATIONS
• Ultra low cost handsets
• PDA, DSC, MP3 players
• Cell phones
• Power Distribution Switch
• Battery-Charger Circuit
654
SP619
SOT23-6
123
DESCRIPTION
The SP619 is a low RDS(ON) high current switch designed with precision current lim-
iting to protect connected devices from damage due to a short circuit condition or
against current surges that may cause the supply voltages to fall out of regula-
tion. This switch is functional over an input voltage range of 2.5V to 7V, but is targeted
at 5V applications. The SP619 is also protected from thermal overload which
limits power dissipation. In shutdown mode, the supply current drops to 2µA.
Vin
Vin
SP619
TYPICAL APPLICATION CIRCUIT
Vout
Cin .1µF
ON/OFF
EN
80K
100K
Cout
.1µF
LOAD
GND
April 2008 Rev L
SP619 High Current Power Switch
1
© 2008 EXAR Corporation
|
|
Overtemperature Protection
The SP619 has built-in overtemperature
protection to protect the part against dam-
age if the die temperature gets too hot. The
typical thermal cutoff is about 150ºC. The
part will self recover if the temperature drops
below the thermal restart threshold of about
120ºC.
Layout Considerations
The input and output decoupling capacitors
should be placed as close as possible to the
LQSXWDQGRXWSXWSLQV7KH*1'SLQVKRXOG
EH VWLWFKHG WR WKH *1' SODLQ WR KHOS ZLWK
thermal performance. The input and output
traces should be as large as possible. The
. LV DOVR UHFRPPHQGHG LQ WKH GHVLJQ
and should be placed close to the output de-
coupling cap.
Vin 146-6642-00
U1 Vout
ON/OFF
Solved by
GND
SP619
TM
Recommended Layout
THEORY OF OPERATION
April 2008 Rev L
SP619 High Current Power Switch
5
© 2008 EXAR Corporation
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for SP619 electronic component. |
Information | Total 7 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Download | [ SP619.PDF Datasheet ] |
Share Link :
Electronic Components Distributor
An electronic components distributor is a company that sources, stocks, and sells electronic components to manufacturers, engineers, and hobbyists. |
SparkFun Electronics | Allied Electronics | DigiKey Electronics | Arrow Electronics |
Mouser Electronics | Adafruit | Newark | Chip One Stop |
Featured Datasheets
Part Number | Description | MFRS |
SP6120 | The function is Low Voltage / AnyFETTM / Synchronous /Buck Controller Ideal for 2A to 10A / High Performance / DC-DC Power Converters. Sipex | |
SP6120B | The function is Low Voltage / AnyFETTM / Synchronous /Buck Controller Ideal for 2A to 10A / High Performance / DC-DC Power Converters. Sipex | |
SP6120HV | The function is High Voltage / Synchronous /Buck Controller Ideal for 2A to 20A / High Performance / DC-DC Power Converters. Sipex | |
Semiconductors commonly used in industry:
1N4148 |  
BAW56 |
1N5400 |
NE555 | | ||
Quick jump to:
SP61
1N4
2N2
2SA
2SC
74H
BC
HCF
IRF
KA |