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FPF2195 Datasheet

  • FPF2195

  • Full Function Load Switch with Adjustable Current Limit

  • 13頁

  • FAIRCHILD

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FPF2193/4/5 Full Function Load Switch with Adjustable Current Limit
October 2007
FPF2193/4/5
Full Function Load Switch with Adjustable Current Limit
Features
1.8 to 5.5V Input Voltage Range
Controlled Turn-On
0.15-1.5A Adjustable Current Limit
Undervoltage Lockout
Thermal Shutdown
<2uA Shutdown Current
Auto Restart
Fast Current limit Response Time
5us to Moderate Over Currents
30ns to Hard Shorts
Fault Blanking
Reverse Current Blocking
RoHS Compliant
tm
General Description
The FPF2193, FPF2194, and FPF2195 is a series of load
switches which provides full protection to systems and loads
which may encounter large current conditions. These devices
contain a 55m鈩?current-limited P-channel MOSFET which can
operate over an input voltage range of 1.8-5.5V. Internally,
current is prevented from flowing when the MOSFET is off and
the output voltage is higher than the input voltage. Switch
control is by a logic input (ON) capable of interfacing directly
with low voltage control signals. Each part contains thermal
shutdown protection which shuts off the switch to prevent
damage to the part when a continuous over-current condition
causes excessive heating.
When the switch current reaches the current limit, the parts
operate in a constant-current mode to prohibit excessive
currents from causing damage. For the FPF2193 and FPF2194,
if the constant current condition still persists after 30ms, these
parts will shut off the switch and pull the fault signal pin (FLAGB)
low. The FPF2193 has an auto-restart feature which will turn the
switch on again after 450ms if the ON pin is still active. The
FPF2194 does not have this auto-restart feature so the switch
will remain off until the ON pin is cycled. The FPF2195 will not
turn off after a current limit fault, but will rather remain in the
constant current mode indefinitely. The minimum current limit is
150mA.
These parts are available in a space-saving 6 ball advanced.
Pb-Free 1 x 1.5 mm CSP package.
Applications
PDAs
Cell Phones
GPS Hand-held Devices
Portable Enterprise / Industrial Devices
Digital Cameras
Peripheral Ports and Accessories
Portable Medical Equipment
Hot Swap Supplies
Pin 1
ON
V
IN
GND
ISET
V
OUT
FLAGB
BOTTOM
TOP
Ordering Information
Part
FPF2193
FPF2194
FPF2195
Current Limit
[mA]
150-1500
150-1500
150-1500
Current Limit
Blanking Time
[ms]
15/30/60
15/30/60
0
Auto-Restart
Time
[ms]
225/450/900
NA
NA
ON Pin
Activity
Active HI
Active HI
Active HI
Top Mark
G
H
J
漏2007 Fairchild Semiconductor Corporation
FPF2193/4/5 Rev. F
1
www.fairchildsemi.com

FPF2195 產(chǎn)品屬性

  • 3,000

  • 集成電路 (IC)

  • PMIC - 電源分配開關

  • -

  • 高端開關

  • 1

  • 80 毫歐

  • 是

  • 可調

  • 1.8 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 6-UFBGA，WLCSP

  • 6-WLCSP

  • 帶卷 (TR)

  • FPF2195TR

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