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参数资料
| 型号： | TPS2113ADRBR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | 3 X 3 MM, PLASTIC, SON-8 |
| 文件页数： | 23/27页 |
| 文件大小： | 714K |
| 代理商： | TPS2113ADRBR |
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www.ti.com
SBVS045B – MARCH 2004 – REVISED MARCH 2010
ELECTRICAL CHARACTERISTICS (continued)
Over recommended operating junction temperature, IO(OUT) = 0 A, and RILIM = 400 Ω, unless otherwise noted.
TPS2112A, TPS2113A
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
REVERSE CONDUCTION BLOCKING
EN = high, VI(IN1) = 3.3 V and VI(IN2) = VI(VSNS)
Minimum output-to-input
= 0 V. Connect OUT to a 5-V supply through
voltage difference to block
ΔVO(I_block)
a series 1-k
Ω resistor. Let EN = low. Slowly
80
100
120
mV
switching
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 (both ↑ ↓)
10
20
50
ms
SWITCHING CHARACTERISTICS
Over recommended operating junction temperature, VI(IN1) = VI(IN2) = 5.5 V, and RILIM = 400 Ω, unless otherwise noted.
TPS2112A
TPS2113A
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
TJ = 25°C,
Output rise
VI(IN1) = VI(IN2) = 5 V,
CL = 1 mF,
tR
time from an
0.5
1.0
1.5
1
1.8
3
ms
VI(SNS) = 1.5 V
IL = 500 mA; see
enable
Figure 1(a).
TJ = 25°C,
Output fall
VI(IN1) = VI(IN2) = 5 V,
CL = 1 mF,
tF
time from a
0.35
0.5
0.7
0.5
1
2
ms
VI(SNS) = 1.5 V
IL = 500 mA; see
disable
Figure 1(a).
TJ = 125°C,
CL = 10 mF,
IN1 to IN2 transition,
IL = 500 mA; measure
Transition
VI(IN1) = 3.3 V,
transition time as 10%
tT
40
60
40
60
ms
time
VI(IN2) = 5 V,
to 90% rise time or
VI(EN) = 0 V
from 3.4 V to 4.8 V on
VO(OUT). See
Figure 1(b).
Turn-on
VI(IN1) = VI(IN2) = 5 V
TJ = 25°C,
propagation
Measured from enable to
CL = 10 mF,
tPLH1
0.5
1
ms
delay from an
10% of VO(OUT), VI(SNS) =
IL = 500 mA; see
enable
1.5 V
Figure 1(a).
Turn-off
VI(IN1) = VI(IN2) = 5 V
TJ = 25°C,
propagation
Measured from disable to
CL = 10 mF,
tPHL1
3
5
ms
delay from a
90% of VO(OUT), VI(SNS) =
IL = 500 mA; see
disable
1.5 V
Figure 1(a).
Logic 1 to Logic 0
transition on VSNS,
Switch-over
TJ = 25°C,
VI(IN1) = 1.5 V,
rising
CL = 10 mF,
tPLH2
VI(IN2) = 5 V,
40
100
40
100
ms
propagation
IL = 500 mA; see
VI(EN) = 0 V,
delay
Figure 1(c).
Measured from VSNS to
10% of VO(OUT)
Logic 0 to Logic 1
transition on VSNS,
Switch-over
TJ = 25°C,
VI(IN1) = 1.5 V,
falling
CL = 10 mF,
tPHL2
VI(IN2) = 5 V,
2
3
10
2
5
10
ms
propagation
IL = 500 mA; see
VI(EN) = 0 V,
delay
Figure 1(c).
Measured from VSNS to
90% of VO(OUT)
Copyright 2004–2010, Texas Instruments Incorporated
5
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