參數(shù)資料
型號： TPS2115ADRBTG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝： 3 X 3 MM, GREEN, PLASTIC, SON-8
文件頁數(shù)： 23/27頁
文件大?。?/td> 574K
代理商： TPS2115ADRBTG4
SBVS044E
– MARCH 2004 – REVISED APRIL 2011
ELECTRICAL CHARACTERISTICS: GENERAL (continued)
Over recommended operating junction temperature range, VI(IN1) = VI(IN2) = 5.5 V, and RILIM = 400 Ω, unless otherwise noted.
TPS2114A
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
REVERSE CONDUCTION BLOCKING
D0 = D1 = high, VI(INx) = 3.3 V
Minimum input-to-output voltage
Connect OUT to a 5-V supply through a series 1-k
Ω
ΔVO(I_block)
80
100
120
mV
difference to block switching
resistor. Let D0 = low. Slowly decrease the supply voltage
until OUT connects to IN1.
THERMAL SHUTDOWN
Thermal shutdown threshold
TPS211xA is in current limit
135
°C
Recovery from thermal shutdown
TPS211xA is in current limit
125
°C
Hysteresis
10
°C
IN2
IN1 COMPARATORS
Hysteresis of IN2
IN1 comparator
0.1
0.2
V
Deglitch of IN2
IN1 comparator
10
20
50
μs
(both
↑↓)
STAT OUTPUT
Leakage current
VO(STAT) = 5.5 V
0.01
1
μA
Saturation voltage
II(STAT) = 2 mA, IN1 switch is on
0.13
0.4
V
Deglitch time (falling edge only)
150
μs
SWITCHING CHARACTERISTICS
Over recommended operating junction temperature range, VI(IN1) = VI(IN2) = 5.5 V, and RILIM = 400 Ω, unless otherwise noted.
TPS2114A
TPS2115A
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
POWER SWITCH
Output rise time from
VI(IN1) = VI(IN2) = 5 V, TJ = 25°C, CL = 1 μF, IL = 500 mA
tr
0.5
1.0
1.5
1
1.8
3
ms
an enable
Output fall time from a
VI(IN1) = VI(IN2) = 5 V, TJ = 25°C, CL = 1 μF, IL = 500 mA
tf
0.35
0.5
0.7
0.5
1
2
ms
disable
IN1 to IN2 transition, VI(IN1) = 3.3 V, VI(IN2) = 5 V,
TJ = 125°C, CL = 10 μF, IL = 500 mA
40
60
40
60
μs
Measure transition time as 10
90% rise time or from
3.4 V to 4.8 V on VO(OUT) (see Figure 1b).
tt
Transition time
IN2 to IN1 transition, VI(IN1) = 5 V, VI(IN2) = 3.3 V,
TJ = 125°C, CL = 10 μF, IL = 500 mA
40
60
40
60
μs
Measure transition time as 10
90% rise time or from
3.4 V to 4.8 V on VO(OUT) (see Figure 1b).
VI(IN1) = VI(IN2) = 5 V, measured from enable to 10% of
Turn-on propagation
tPLH1
VO(OUT), TJ = 25°C, CL = 10 μF, IL = 500 mA
0.5
1
ms
delay from enable
VI(IN1) = VI(IN2) = 5 V, measured from disable to 90% of
Turn-off propagation
tPHL1
VO(OUT), TJ = 25°C, CL = 10 μF, IL = 500 mA
3
5
ms
delay from a disable
Logic 1 to Logic 0 transition on D1, VI(IN1) = 1.5 V,
Switch-over rising
VI(IN2) = 5 V, VI(D0) = 0 V, measured from D1 to 10% of
tPLH2
40
100
40
100
μs
propagation delay
VO(OUT), TJ = 25°C, CL = 10 μF, IL = 500 mA
Logic 0 to Logic 1 transition on D1, VI(IN1) = 1.5V,
Switch-over falling
VI(IN2) = 5V, VI(D0) = 0 V, measured from D1 to 90% of
tPHL2
2
3
10
2
5
10
ms
propagation delay
VO(OUT), TJ = 25°C, CL = 10 μF, IL = 500 mA
Copyright
2004–2011, Texas Instruments Incorporated
5
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