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TS2026L の電気的特性と機能

TS2026LのメーカーはTaiwan Semiconductor Companyです、この部品の機能は「Dual-Channel Power Distribution Switch」です。


製品の詳細 ( Datasheet PDF )

部品番号 TS2026L
部品説明 Dual-Channel Power Distribution Switch
メーカ Taiwan Semiconductor Company
ロゴ Taiwan Semiconductor Company ロゴ 




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TS2026L Datasheet, TS2026L PDF,ピン配置, 機能
TS2026L
Dual-Channel Power Distribution Switch
Pin assignment:
1. ENA 5. OUTB
2. FLGA 6. GND
3. FLGB 7. IN
4. ENB 8. OUTA
140mmax. on-resistance per channel
2.7V to 5.5V operating range
Under voltage lockout
www.DataSheet4GUe.cnomeral Description
The TS2026L is high-side MOSFET switches optimized for general-purpose power distribution requiring circuit
protection.
The TS2026L are internally current limited and have thermal shutdown that protects the device and load. When a
thermal shutdown fault occurs, the output is latched off until the faulty load is removed. Removing that load or toggling
the enable input will reset the device output. Both device employ soft-start circuitry that minimized inrush current in
application where highly capacitive loads are employed. A fault status output flag is asserted during over current and
thermal shutdown conditions. Transient faults are internally filtered.
Features
140mmax. on-resistance per channel
2.7V to 5.5V operating range
500mA min. continuous current per channel
Short-circuit protection with thermal shutdown
Thermal isolated channels.
Fault status flag with 3ms filter eliminates false
assertions.
Under voltage lockout
Reverse current flow blocking (no “body diode”)
Logic-compatible inputs
Soft-start circuit
Low quiescent current
Applications
USB peripherals
General purpose power switching
ACPI power distribution
Notebook PCs
PDAsPC
Card hot swap
Ordering Information
Part No.
TS2026LCS
Operating Temp.
(Ambient)
-40 ~ +85 oC
Package
SOP-8
Absolute Maximum Rating
Supply Voltage
Fault Flag Voltage
Fault Flag Current
Output Voltage
Output Current
Enable input
Storage Temperature
VIN
VFLG
IFLG
VOUT
IOUT
IEN
TSTG
+6
+6
25
+6
Internal Limited
-0.3 ~ +3
-65 ~ +150
V
V
mA
oC
V
oC
TS2026L
1-7 2005/11 rev. A

1 Page





TS2026L pdf, ピン配列
Electrical Characteristics
Vin=5V, TA = 25 oC, unless noted
Parameter
Symbol
Condition
Min. Typ. Max. Units
Supply Current
VENA=VENB2.4V (switch off),
OUT = open
IDD
VENA=VENB0.8V (switch on),
OUT = open
-- 0.75 5
uA
--
100 160
uA
www.DataSheet4U.com
Enable Input threshold
Low-to-high transition
VEN High-to-low transition
-- 1.7 2.4
0.8 1.455
--
V
V
Enable Input Hysteresis
-- 250 -- mV
Enable Input Current
Enable Input Capacitance
IEN VENA= 0V to 5.5V
-1 0.01 1
-- 1 --
uA
pF
Switch Resistance Note 4
Output Leakage Current
Output Turn-on Delay
Output Turn-on Rise Time
Output Turn-off Delay
Output Turn-off Fall Time
Short-Circuit Output Current
Current –Limit Threshold
RDS(ON)
tON
tR
tOFF
tF
ILIMIT
VIN= 5V, IOUT= 500mA
VIN= 3.3V, IOUT= 500mA
VENX0.8V or VENX2.4V
RL=10, CL=1F,
see “Timing Diagrams”
VOUT= 0V, enable into short-circuit
Ramped load applied to output
-- 90 140 m
-- 100 160 m
-- -- 10 uA
-- 1.3 5 mS
-- 1.15 4.9 mS
-- 35 100 uS
-- 32 100 uS
0.5 0.9 1.25 A
--
1.0 1.25
A
Short-Circuit Response Time
VOUT= 0V to IOUT= ILIMIT
(short applied to output)
-- 20 -- uS
Over current Flag Response
Delay
VIN=5V, apply VOUT=0V, Until FLG low 1.5
3
tD VIN=3.3V, apply VOUT=0V,
Until FLG low
3
7 mS
-- mS
Under voltage Lockout
VIN rising
2.2 2.4 2.7
V
Threshold
VIN falling
2.0 2.15 2.5
V
Error Flag Output Resistance
IL =10mA, VIN =5V
IL =10mA, VIN =3.3V
-- 10 25
-- 15 40
Error Flag Off Current
VFLAG =5V
-- -- 10 uA
TJ increasing, each switch
-- 140 --
oC
Over temperature Threshold
TJ decreasing, each switch
-- 120 --
oC
Note 5
TJ increasing, both switch
-- 160 --
oC
TJ decreasing, both switch
-- 150 --
oC
Note 1. Exceeding the absolute maximum rating may damage the device.
Note 2. The device is not guaranteed to function outside its operating rating.
Note 3. Devices are ESD sensitive. Handing precautions recommended.
Note 4. For maintenance RDS140massembly to make gold conductors in diameter 50m.
Note 5. If there is a fault on one channel, that channel will shut down when the die reaches approximately 140 oC. If the
die reaches approximately 160 oC, both channels will shut down, even if neither channel is in current limit.
TS2026L
3-7 2005/11 rev. A


3Pages


TS2026L 電子部品, 半導体
Function Description
Fault Flag
The FLG signal is an N-channel open-drain MOSFET output. FLG is asserted (active-low) when either an over current
or thermal shutdown condition occurs. In the case of and over current condition, FLG will be asserted only after the
flag response delay time, tD, has elapsed. This ensured that FLG is asserted only upon valid over current conditions
and that erroneous error reporting is eliminated. For example, false over current condition can occur during hot plug
event when a highly capacitive load is connected and causes a high transient inrush current that exceeds the
current-limit threshold for up to 1ms. The FLG response delay time tD is typically 3ms.
www.DataSheet4UU.cnodmervoltage Lockout
Undervoltage lockout (UVLO) prevents the output MOSFET from turning on until VIN exceeds approximately 2.5V.
Undervoltage detection function only when the switch is enabled.
Figure 1. TS2026L Fault Timing
TS2026L
6-7 2005/11 rev. A

6 Page



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共有リンク

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部品番号部品説明メーカ
TS2026

Dual-Channel Power Distribution Switch

Taiwan Semiconductor Company
Taiwan Semiconductor Company
TS2026L

Dual-Channel Power Distribution Switch

Taiwan Semiconductor Company
Taiwan Semiconductor Company


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