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PDF FPF2488 Data sheet ( Hoja de datos )
| Número de pieza | FPF2488 | |
| Descripción | Dual Channel Over-Voltage Protection Load Switch | |
| Fabricantes | Fairchild Semiconductor | |
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February 2015
FPF2488
Dual Channel Over-Voltage Protection Load Switch
Features
Dual Channel Power Switch (VBUS and VIF)
Surge Protection under IEC 61000-4-5
- VBUS: ±100 V
- VIF: ± 40 V
Input Voltage Range
- VBUS: 2.5 V ~ 23 V
- VIF: 3.1 V ~ 5.5 V
Max Continuous Current Capability
- VBUS: 2.5 A
- VIF: 6 A
Ultra Low On-Resistance
- VBUS: Typ. 33 mΩ
- VIF: Typ. 10 mΩ
Over Voltage Protection
- VBUS: 10 V ± 100 mV
- VIF: 5.25 V ± 250 mV
LDO Output based VBUS_DET for VBUS Detection
Active Low Control for VBUS Path
OTG Functionality on VBUS Path
Conditional Active High Control for VIF Path
Reverse-Current Blocking for VIF Path
Applications
Mobile Handsets and Tablets
Wearable Devices
Description
The FPF2488 features a 2-channel power switch, which
offers surge protection and Over-Voltage Protection
(OVP), to protect downstream components and
enhancing overall system robustness.
Channel one (VBUS) is an active-low, 28 V/2.5 A rated,
power MOSFET switch with an internal clamp
supporting ±100 V surge protection, highly accurate
fixed OVP at 10.0 V (±100 mV), and OTG functionality.
Channel two (VIF) is a conditional active-high, 6 V/6 A
rated, power MOSFET switch with an integrated TVS
supporting ± 40 V surge protection and fixed OVP at
5.25 V (± 250 mV). VIF also provides Reverse Current
Blocking (RCB) during its OFF state to minimize
leakage current.
VBUS_DET is paired with always ON LDO to power
downstream devices even with VBUS is greater than
2.5 V, even when disabled through the ONB pin. This
provides power sequence control or a host controlled
configuration in system.
The FPF2488 is available in a 15-bump, 1.6 mm x
2.2 mm Wafer-Level Chip-Scale Package (WLCSP) with
0.4 mm pitch.
Related Resources
http://www.fairchildsemi.com/
Ordering Information
Part Number
FPF2488UCX
Operating Temperature
Range
Top Mark
Package
-40°C – +85°C
GW 15-Ball, 0.4 mm Pitch WLCSP
Packing
Method
Tape & Reel
© 2014 Fairchild Semiconductor Corporation
FPF2488 • Rev. 1.6
www.fairchildsemi.com
1 page  
Electrical Characteristics
Unless otherwise noted, VBUS=2.5 to 23 V, VIF=3.1 to 5.5 V, TA=-40 to 85°C; Typical values are at VBUS=5 V, IIN ≤ 2 A,
VIF=4 V, CIN=0.1 μF and TA=25°C.
Symbol
Parameter
Conditions
Min. Typ. Max. Unit
Basic Operation
IQ
IIN_Q
TSDN
TSDN_HYS
Input Quiescent Current
OVLO Supply Current
Thermal Shutdown(3)
Thermal Shutdown
Hysteresis(3)
VBUS=5 V, ONB=0 V, VBUS_DET=Floating
VIF=4 V
VBUS=12 V, VOUT=0 V, VBUS_DET=Floating
VIF=5.5 V, BAT=0 V
160 250 μA
100 150 μA
150 205 μA
100 180 μA
140 °C
20 °C
VBUS to VOUT Switch
VBUS_CLAMP Input Clamping Voltage
VBUS_OVLO Over-Voltage Trip Level
RON_VBUS On-Resistance
tDEB_VBUS
tSTART_VBUS
tON_VBUS
Debounce Time
Soft-Start Time
Switch Turn-On Time
tOFF_VBUS Switch Turn-Off Time
VIF to BAT Switch
VIF_CLAMP Input Clamping Voltage
VIF_UVLO Under-Voltage Trip Level
VIF_OVLO
RON_VIF
IRCB
tDEB_VIF
Over-Voltage Trip Level
On-Resistance
Reverse Current
Debounce Time
tQUAL_VIF Qualification Time
tON_VIF
Switch Turn-On Time
tOFF_VIF Switch Turn-Off Time
IIN=10 mA
VBUS Rising, TA=-40 to 85°C
VBUS Falling, TA=-40 to 85°C
VBUS=5 V, IOUT=1 A, TA=25°C
VBUS=9 V, IOUT=1 A, TA=25°C
Time from VBUS_MIN < VBUS < VBUS_OVLO to
VOUT=0.1 × VBUS
Time from VBUS=VBUS_MIN to 0.1 × VBUS_DET
RL=100 Ω, CL=22 µF, VOUT from 0.1 × VBUS
to 0.9 × VBUS
RL=100 Ω, No CL, VBUS > VBUS_OVLO to
VOUT=0.8 × VBUS
IIN=10 mA
VIF Rising, TA=-40 to 85°C
VIF Falling, TA=-40 to 85°C
VIF Rising, TA=-40 to 85°C
VIF Falling, TA=-40 to 85°C
VIF=3.1 V, IOUT=1 A, TA=25°C
VIF=0 V, BAT=4.4 V
Time from VIF_UVLO < VIF < VIF_OVLO to
BAT=0.1 × VIF
BAT > VIH_BAT First, Time from ON >
VIH_ON(B) to BAT Voltage Increase
RL=100 Ω, CL=22 µF, VOUT from 0.1 × VIF to
0.9 × VIF
RL=100 Ω, No CL,VIN > VOVLO to VOUT=0.8 ×
VIF
9.9
9.8
5.00
4.8
35
10.0
33
33
15
30
3
6.4
2.85
2.7
5.25
10
3
15
30
3
10.1
39
39
150
3.05
5.50
15
7
150
V
V
V
mΩ
mΩ
ms
ms
ms
ns
V
V
V
V
V
mΩ
μA
ms
ms
ms
ns
Note:
3. Guaranteed by characterization and design.
Continued on the following page…
© 2014 Fairchild Semiconductor Corporation
FPF2488 • Rev. 1.6
5
www.fairchildsemi.com
5 Page 
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11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet FPF2488.PDF ] | |
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