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FPF1207 / FPF1208 — IntelliMAX
™
Advance Load Switch
October 2010
FPF1207 / FPF1208
IntelliMAX
™
Advanced Load Switch
Features
1.2V to 4.0V Input Voltage Operating Range
Typical R
ON
: 50mΩ at V
IN
=3.3V
77mΩ at V
IN
=1.8V
150mΩ at V
IN
=1.2V
Slew Rate Control with t
R
: 110µs
Output Discharge Function on FPF1208
Low <1.5µA Quiescent Current
Extra Low <100nA Off Supply Current
ESD Protected: Above 7000V HBM, 2000V CDM
GPIO/CMOS-Compatible Enable Circuitry
4-Bump WLCSP 0.76mm x 0.76mm, 0.4mm Pitch
Description
The FPF1207/08 is an ultra-small integrated IntelliMAX
load switch with integrated P-channel switch and analog
control features. Integrated slew-rate control prevents
inrush current and the resulting excessive voltage drop
on power rail. The input voltage range operates from
1.2V to 4.0V to provide power-disconnect capability for
post-regulated power rails in portable and consumer
products. The low shut-off current of 1µA (maximum)
allows power designs to meet standby and off-power
drain specifications.
The FPF1207/08 is controlled by an active-HIGH logic
input (ON pin) compatible with standard CMOS GPIO
circuitry found on Field Programmable Gate Array
(FPGA) and embedded processors. The FPF1207/08 is
available in 0.76mm x 0.76mm 4-bump WLCSP.
™
Applications
Mobile Devices and Smart Phones
Portable Media Devices
Ultra-Portable / Mobile Computing
Advanced Notebook, UMPC, MID
Portable Medical Devices
GPS and Navigation Equipment
Ordering Information
Part Number
FPF1207UCX
FPF1208UCX
Top
Marking
QG
QH
Switch
(Typical)
at 3.3V
IN
50mΩ
50mΩ
Output
Discharge
NA
65Ω
ON Pin
Activity
Active
HIGH
Active
HIGH
t
R
110µs
110µs
Package
4-Ball, Wafer-Level Chip-
Scale Package (WLCSP),
0.76 x 0.76mm, 0.4mm Pitch
© 2010 Fairchild Semiconductor Corporation
FPF1207 / FPF1208 • Rev. 1.0.0
www.fairchildsemi.com
FPF1207 / FPF1208 — IntelliMAX
™
Advance Load Switch
Application Diagram
Figure 1. Typical Application
Notes:
1. C
IN
=1μF, X5R, 0603 (for example, Murata GRM185R60J105KE26).
2. C
OUT
=1μF, X5R, 0805 (for example, Murata GRM216R61A105KA01).
Functional Block Diagram
Figure 2. Functional Block Diagram (Output Discharge for FPF1208 Only)
© 2010 Fairchild Semiconductor Corporation
FPF1207 / FPF1208 • Rev. 1.0.0
www.fairchildsemi.com
2
FPF1207 / FPF1208 — IntelliMAX
™
Advance Load Switch
Pin Configurations
Figure 3. WLCSP Bumps Facing Up (Top View)
Figure 4. WLCSP Bumps Facing Down (Bottom View)
V
OUT
GND
A1
A2
V
IN
ON
V
IN
ON
A2
A1
V
OUT
GND
B1
B2
B2
B1
Figure 5. Pin Assignments (Top View)
Figure 6. Pin Assignments (Bottom View)
Pin Definitions
Pin #
A1
A2
B1
B2
Name
V
OUT
V
IN
GND
ON
Description
Switch Output
Supply Input: Input to the power switch
Ground
ON/OFF control, active HIGH
© 2010 Fairchild Semiconductor Corporation
FPF1207 / FPF1208 • Rev. 1.0.0
www.fairchildsemi.com
3
FPF1207 / FPF1208 — IntelliMAX
™
Advance Load Switch
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended.
In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability.
The absolute maximum ratings are stress ratings only.
Symbol
V
IN
I
SW
P
D
T
STG
T
A
Θ
JA
V
IN
, V
OUT
, V
ON
to GND
Parameter
Maximum Continuous Switch Current
Power Dissipation at T
A
=25°C
Storage Junction Temperature
Operating Temperature Range
Thermal Resistance, Junction-to-Ambient
1S2P with One Thermal Via
1S2P without Thermal Via
Human Body Model,
JESD22-A114
Charged Device Model,
JESD22-C101
Min.
-0.3
Max.
4.2
1.2
1.0
Unit
V
A
W
°C
°C
°C/W
-65
-40
+150
+85
110
95
7
kV
2
ESD
Electrostatic Discharge Capability
(3,4)
Notes:
3. Measured using 2S2P JEDEC std. PCB.
4. Measured using 2S2P JEDEC PCB COLD PLATE Method.
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not
recommend exceeding them or designing to Absolute Maximum Ratings.
Symbol
V
IN
T
A
Supply Voltage
Parameter
Ambient Operating Temperature
Min.
1.2
-40
Max.
4.0
+85
Unit
V
°C
© 2010 Fairchild Semiconductor Corporation
FPF1207 / FPF1208 • Rev. 1.0.0
www.fairchildsemi.com
4
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