US211 Datasheet, PDF (3/8 Pages) Unisonic Technologies – HIGH-SIDE POWER SWITCHES WITH FLAG

US211/A/B/C
Preliminary
CMOS IC
 ABSOLUTE MAXIMUM RATING(T_A=25°C, unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
V_CC
6.5
V
+2 ~ +5.5 (Note 2)
V
Input/Output Pins
VCTL
V_CTL
-0.3~ +6.5
0 ~ +5.5 (Note 2)
V
V
V FLG
V FLG
6.5
V
Junction Temperature
T_J
150
°C
-20 ~ +100 (Note 2)
°C
Storage Temperature
T_STG
-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. The device is not guaranteed to function when it’s beyond its operating conditions.
 THERMAL DATA
PARAMETER
SYMBOL
Junction to Ambient
θ_JA
Junction to Case
θ_JC
 ELECTRICAL CHARACTERISTICS
RATINGS
260
81
UNIT
°C/W
°C/W
PARAMETER
ENABLE INPUT
CTL Threshold
CTL Input Current
Low
High
UNDER VOLTAGE LOCK
Under-Voltage Lockout
Under-Voltage Hysteresis
SUPPLY CURRENT
Supply Current
Output Leakage Current
CURRENT LIMIT
Current Limit
Short Circuit Fold-Back Current
POWER SWITCH
Switch ON Resistance
Output Turn-ON Rise Time
OVER CURRENT FLAG
FLAG OFF Current
FLAG Output Resistance
FLAG Delay Time
THERMAL SHUTDOWN
Thermal Shutdown Protection
Thermal Shutdown Hysteresis
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
V_IL
V_IH
I_I(CTL)
V_IN=2V~5.5V, Switch OFF
V_IN=2V~5.5V, Switch ON
V_CTL=0V~5.5V
0.8 V
2.0
V
0.01
µA
V_UVLO
∆V_UVLO
V_IN increasing
V_IN decreasing
US211/ US211A
1.0 2.1 2.9 V
US211B/ US211C
2.5
0.1
V
I_SW(ON)
I_SW(OFF)
I_O(LEAK)
Switch on, V_OUT=OPEN
Switch off, V_OUT=OPEN
V_CTL=0V, R_LOAD=0Ω
25 45 µA
0.1 1 µA
0.5 10 µA
I_LIMIT
I_SC(FB)
US211
US211A
US211B
US211C
US211
V_OUT=0V, measured prior to US211A
thermal shutdown
US211B
US211C
0.6 0.8 1.1 A
1.1 1.5 1.9 A
1.3 1.7 2.1 A
1.5 2.0 2.4 A
0.8
A
1.0
A
1.0
A
1.3
A
R_DS(ON)
t_ON(_RISE)
I_OUT= 500mA
I_OUT=1.0A
10% ~ 90% of V_OUT rising
US211
US211A/B/C
80 110 mΩ
80 110 mΩ
400
µs
I FLG(OFF)
R FLG
t_D
VFLG =5V
I_SINK=1mA
From fault condition to FLG assertion
0.01 1 µA
20 400 Ω
2 10 15 ms
T_SD
∆T_SD
130
°C
20
°C
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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QW-R502-A67.a