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US301 の電気的特性と機能

US301のメーカーはUnisonic Technologiesです、この部品の機能は「0.2A SINGLE CHANNEL CURRENT-LIMITED LOAD SWITCH」です。


製品の詳細 ( Datasheet PDF )

部品番号 US301
部品説明 0.2A SINGLE CHANNEL CURRENT-LIMITED LOAD SWITCH
メーカ Unisonic Technologies
ロゴ Unisonic Technologies ロゴ 




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US301 Datasheet, US301 PDF,ピン配置, 機能
UNISONIC TECHNOLOGIES CO., LTD
US301
Preliminary
0.2A SINGLE CHANNEL
CURRENT-LIMITED LOAD
SWITCH
DESCRIPTION
The UTC US301 is single channel current-limited integrated
high-side power switches, optimized for hot-swap applications.
The US301 provides a complete protection solution for
application subject to heavy capacitive loads and the prospect of
short circuit. The devices have fast short-circuit response time for
improving overall system robustness, and offer reverse-current
blocking, over-current and over-temperature protection, as well as
under-voltage lockout functionality. It also has controlled built-in
soft-start time, typically 0.7 ms.
FEATURES
* Input voltage range: 2.7V~5.2V
* Short-circuit protection and fast response time
* Accurate current limiting: 0.4A
* On-resistance:250 m
* Reverse-current blocking
* Soft-start with 0.7ms typical turn-on time
* Over-current and over-voltage protection
* Thermal protection
* Ambient temperature range: -40°C~+85°C
ORDERING INFORMATION
Ordering Number
US301G-AE2-R
Package
SOT-23-3
CMOS IC
Packing
Tape Reel
MARKING
301G
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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US301 pdf, ピン配列
US301
Preliminary
CMOS IC
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage Relative to GND
Output Voltage Relative to GND
VIN
VOUT
6.5
VIN+0.3
V
V
Maximum Continuous Load Current
Maximum Junction Temperature
ILOAD
TJ
Internal Limited
150
A
°C
Storage Temperature Range (Note 4)
TSTG
-65~150
°C
Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
2. UL Recognized Rating from -30°C~70°C (Diodes qualified TST from -65°C~150°C)
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Input voltage relative to GND
Output Current
Operating Ambient Temperature
SYMBOL
VIN
IOUT
TA
TEST CONDITIONS
MIN
2.7
0
-40
TYP
MAX
5.2
0.2
+85
UNIT
V
A
°C
ELECTRICAL CHARACTERISTICS (TA=25°C, VIN=+5.0V, unless otherwise stated)
PARAMETER
SYMBOL TEST CONDITIONS (Note 1) MIN TYP MAX UNIT
Input UVLO
VUVLO VIN rising
2.35 2.90 V
Input Quiescent Current
Reverse Leakage Current
IQ Above UVLO, IOUT=0
IREV VIN=0V, VOUT=5V, IREV at VIN
85 125
0.01 0.10
µA
µA
Switch On-Resistance
Over-Load Current Limit
RDS(ON)
ILIMIT
VIN=5V, IOUT=0.2A
VIN=5V, VOUT=4V
100 250 350 m
0.2 0.4 0.5 A
Short-Circuit Current
Reverse-Current Trigger Point
IOS
IROCP
OUT shorted to ground
VIN=5.0V, VOUT=5.2V
0.2 0.4 0.5
0.20 0.25
A
A
Deglitch Time from Reverse Current Trigger
to MOSFET Turn Off
TTRIG
(Note 2)
0.5 0.7 1.0 ms
Output Over-Voltage Trip Point
VOVP (Note 3)
5.2 5.6 V
Debounce Time From Output Over-Voltage
to MOSFET Turn Off
TOVP
15 µs
Recovery After Turn-Off from ROCP and
OVP
VREC
101%
VIN
Output turn-on time (Note 4)
Thermal Shutdown Threshold
TON
TSHDN
CL=0.1µF, RLOAD=20
(UVLO to 90% VOUT-NOM)
VIN=2.7V~5.2V
0.7 ms
150 °C
Thermal Shutdown Hysteresis
Thermal Resistance Junction-to-Ambient
(Note 5)
THYS
θJA
20 °C
215 °C/W
Notes: 1. Pulse-testing techniques maintain junction temperature close to ambient temperature; thermal effects must
be taken into account separately.
2. When reverse current triggers at IROCP=0.20A, the reverse current is continuously clamped at IROCP for
0.7ms deglitch time until MOSFET is turned off.
3. During output over-voltage protection, the output draws approximately 60µA current.
4. Since the output turn-on slew rate is dependent on input supply slew rate, this limit is only applicable for
input supply slew rate between VIN/0.2ms to VIN/1ms.
5. Device mounted on FR-4 substrate PCB, 2oz copper, with minimum recommended pad layout.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 4
QW-R103-099.a


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