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参数资料
型号： TPS2115PW
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： GREEN, PLASTIC, TSSOP-8
文件页数： 17/22页
文件大小： 503K
代理商： TPS2115PW
www.ti.com
ELECTRICAL CHARACTERISTICS
TPS2114
TPS2115
SLVS447A – DECEMBER 2002 – REVISED MARCH 2004
over operating free-air temperature range (unless otherwise noted)
TPS2115
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
LOGIC INPUTS (D0 AND D1)
VIH
High-level input voltage
2
V
VIL
Low-level input voltage
0.7
V
D0 or D1 = High, sink current
1
Input current at D0 or D1
A
D0 or D1 = Low, source current
0.5
1.4
5
SUPPLY AND LEAKAGE CURRENTS
D1 = High, D0 = Low (IN1 active), VI(IN1) = 5.5 V,
55
90
VI(IN2) = 3.3 V, IO(OUT) = 0 A
D1 = High, D0 = Low (IN1 active), VI(IN1) = 3.3 V,
1
12
VI(IN2) = 5.5 V, IO(OUT) = 0 A
Supply current from IN1 (operating)
A
D0 = D1 = Low (IN2 active), VI(IN1) = 5.5 V,
75
VI(IN2) = 3.3 V, IO(OUT) = 0 A
D0 = D1 = Low (IN2 active), VI(IN1) = 3.3 V,
1
VI(IN2) = 5.5 V, IO(OUT) = 0 A
D1 = High, D0 = Low (IN1 active), VI(IN1) = 5.5 V,
1
VI(IN2) = 3.3 V, IO(OUT) = 0 A
D1 = High, D0 = Low (IN1 active), VI(IN1) = 3.3 V,
75
VI(IN2) = 5.5 V, IO(OUT) = 0 A
Supply current from IN2 (operating)
A
D0 = D1 = Low (IN2 active), VI(IN1) = 5.5 V,
1
12
VI(IN2)= 3.3 V, IO(OUT) = 0 A
D0 = D1 = Low (IN2 active), VI(IN1) = 3.3 V,
55
90
VI(IN2) = 5.5 V, IO(OUT) = 0 A
D0 = D1 = High (inactive), VI(IN1) = 5.5 V,
0.5
2
VI(IN2) = 3.3 V, IO(OUT) = 0 A
Quiescent current from IN1 (STANDBY)
A
D0 = D1 = High (inactive), VI(IN1) = 3.3 V,
1
VI(IN2) = 5.5 V, IO(OUT) = 0 A
D0 = D1 = High (inactive), VI(IN1) = 5.5 V,
1
VI(IN2) = 3.3 V, IO(OUT) = 0 A
Quiescent current from IN2 (STANDBY)
A
D0 = D1 = High (inactive), VI(IN1) = 3.3 V,
0.5
2
VI(IN2) = 5.5 V, IO(OUT) = 0 A
Forward leakage current from IN1
D0 = D1 = High (inactive), VI(IN1) = 5.5 V, IN2 open,
0.1
5
A
(measured from OUT to GND)
VO(OUT) = 0 V (shorted), TJ = 25°C
Forward leakage current from IN2
D0 = D1= High (inactive), VI(IN2) = 5.5 V, IN1 open,
0.1
5
A
(measured from OUT to GND)
VO(OUT)= 0 V (shorted), TJ = 25°C
Reverse leakage current to INx
D0 = D1 = High (inactive), VI(INx) = 0 V,
0.3
5
A
(measured from INx to GND)
VO(OUT) = 5.5 V, TJ = 25°C
CURRENT LIMIT CIRCUIT
R(ILIM) = 400
0.51
0.63
0.80
TPS2114
R(ILIM) = 700
0.30
0.36
0.50
Current limit
A
accuracy
R(ILIM) = 400
0.95
1.25
1.56
TPS2115
R(ILIM) = 700
0.47
0.71
0.99
Time for short-circuit output current to settle within
td
Current limit settling time(1)
1
ms
10% of its steady state value.
Input current at ILIM
VI(ILIM) = 0 V, IO(OUT) = 0 A
-15
0
A
(1)
Not tested in production.
4
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