參數(shù)資料
型號： FSA9288AUMX
廠商： Fairchild Semiconductor
文件頁數(shù)： 9/30頁
文件大小： 0K
描述： IC USB MULTIMEDIA SWITCH 20-UMLP
標準包裝： 5,000
功能： USB 開關(guān)
電路： 3:1
電壓電源： 單電源
電壓 - 電源，單路/雙路(±)： 3 V ~ 4.4 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 20-UFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 20-UMLP（4x3）
包裝： 帶卷 (TR)
2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA9280A Rev 1.1.0
17
FS
A9
2
80A
—
US
B
Po
rt
Mu
lt
im
edia
Swi
tc
h
,
Fea
turi
n
g
Automatic
Se
lect
a
nd
Ac
ces
s
ory
Detection
9.3. Switch Path DC Electrical Characteristics
All typical values are at TA=25°C unless otherwise specified.
Symbol
Parameter
VBAT (V)
Conditions
TA = -40 to +85°C
Unit
Min.
Typ.
Max.
Host Interface Pins (JIG, BOOT, INTB, CHG-DET)
VOH
Output High Voltage
3.0 to 4.4
IOH=2mA
0.7 x
VDDIO
V
VOL
Output Low Voltage
3.0 to 4.4
IOL=10mA
0.4
V
Switch OFF Characteristics
IOFF
Power-Off Leakage Current
0
All Data Ports Except MIC
VSW=0V to 4.4V
10
A
INO
Switch Open Leakage Current
with Device Powered
3.0 to 4.4
VBAT=4.4V; I/O Pins=0.3V,
4.1V, or Floating, Except MIC
-0.100
0.001
0.100
A
IIDSHRT
Short-Circuit Current
3.0 to 4.4
Current Limit if ID_CON=0V
5
mA
USB Switch ON Path
USB Analog Signal Range
3.0 to 4.4
0
3.6
V
RONUSB
USB Switch On Resistance
3.0 to 4.4
VD+/D-=0V, 0.4V, ION=8mA
8
10
Charging FET ON Path
VOVP
Over-Voltage Protection (OVP) Threshold Voltage
6.2
6.8
7.2
V
RONFET
Charging FET On Resistance
VBUS_IN=4.2V-5.0V, ION=1A
200
m
IOCP
Over-Current Protection (OCP) Threshold
Current
VBUS_IN=5.2V
1.1
1.3
1.5
A
Audio_R/Audio_L Switch ON Paths
Audio Analog Signal Range
3.0 to 4.4
-1.2
3.0
V
RON
Audio Switch On Resistance
3.0 to 4.4
VL/R=-0.8V, 0.8V, ION=30mA,
f=0-470kHz
3
RFLAT
Audio RON Flatness
3.0 to 4.4
0.1
MIC and UART Switch ON Paths
Analog Signal Range
3.0 to 4.4
0
5
V
RON
MIC Path ON Resistance
3.0 to 4.4
VSW=0V, 4.4V, ION=30mA
40
UART Path ON Resistance
25
30
Total Current Consumption
ICCSL
Battery Supply Standby Mode
Current (No Accessory Attached)
3.0 to 4.4
No Accessory Static Current
During Standby Mode
10
25
A
ICCSLWA
Battery Supply Standby Mode
Current with Accessory
Attached
3.8
With Accessory Static Current
During Standby Mode
30
40
A
Notes:
16. Does not apply to CHG_DET or JIG pins because they are open drain.
17. Limits based on electrical characterization data.
18. On resistance is the voltage drop between the two terminals at the indicated current through the switch.
19. Flatness is defined as the difference between the maximum and minimum values of on resistance over the specified
range of conditions.
20. The MIC bias applied by the baseband should not exceed 2.8V.
21. Applies to all accessories except Audio Type 1 and Factory-Mode accessories.
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