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LM3526 датащи(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
номер детали LM3526
подробное описание детали  Dual Port USB Power Switch and Over-Current Protection
Download  11 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM3526 датащи(HTML) 3 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Supply Voltage
−0.3V to 6V
Output Voltage
−0.3V to 6V
Voltage at All Other Pins
−0.3V to 5.5V
Power Dissipation (T
A = 25˚C)
(Note 2)
700 mW
T
JMAX (Note 2)
160˚C
Operating Ratings
Supply Voltage Range
2.7V to 5.5V
Operating Ambient Range
−40˚C to 85˚C
Operating Junction Temperature
Range
−40˚C to 125˚C
Storage Temperature Range
−65˚C to +150˚C
Lead Temperature
(Soldering, 5 seconds)
260˚C
ESD Rating (Note 3)
ESD Rating Output Only
2kV
8kV
DC Electrical Characteristics
Limits in standard typeface are for T
J = 25˚C, and limits in boldface type apply over the full operating temperature range. Un-
less otherwise specified: V
IN = 5.0V, VEN = 0V (LM3526-L) or VEN = VIN (LM3526-H).
Symbol
Parameter
Conditions
Min
Typ
Max
Units
R
ON
On Resistance
V
IN = 5V, IOUT = 500mA, each switch
100
140
m
V
IN = 2.7V, IOUT = 500mA, each switch
110
180
I
OUT
OUT pins continuous
output current
Each Output
0.5
A
I
SC
Short Circuit Output
Current
Each Output (enable into Load) (Note 4)
V
OUT = 4.0V
V
OUT = 0.1V
0.5
1.2
1
1.9
1.5
A
OC
THRESH
Over-current Threshold
2.2
3.2
A
I
LEAK
OUT pins Output
Leakage Current
V
EN =VIN (LM3526-L)
V
EN = 0V (LM3526-H)
0.01
10
µA
R
FO
FLAG Output Voltage
I
FO = 10 mA, VIN = 5.0V
10
25
I
FO = 10 mA, VIN = 3.3V
11
35
I
FO = 10 mA, VIN = 2.7V
12
40
I
EN
EN/EN Leakage Current
V
EN/VEN =0VorVEN/VEN =VIN
−0.5
0.5
µA
V
IH
EN/EN Input Logic High
(Note 5)
2.4
1.9
V
V
IL
EN/EN Input Logic Low
(Note 5)
1.7
0.8
V
V
UVLO
Under-Voltage Lockout
Threshold
1.8
V
I
DDOFF
Supply Current
Switch-Off
−40˚C
≤ T
J ≤ 85˚C
0.2
1
2
µA
I
DDON
Supply Current
Switch-On
115
200
µA
Th
SD
Over-temperature
Shutdown Threshold
T
J Increasing, with no shorted output
T
J Increasing, with shorted output (s)
T
J Decreasing (Note 4)
150
145
135
˚C
I
FH
Error Flag Leakage
Current
V
flag = 5V
0.01
1
µA
Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device
beyond its rated operating conditions.
Note 2: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJMAX (Maximum junction temperature), θJA (junction to am-
bient thermal resistance), and TA (ambient temperature). The maximum allowable power dissipation at any temperature is PDMAX = (TJMAX −TA)/θJA or the number
given in the Absolute Maximum Ratings, which ever is lower.
θJA = 150˚C/W.
Note 3: The human body model is a 100 pF capacitor discharged through a 1.5 k
Ω resistor into each pin. Enable pin ESD threshold is 1.7kV.
Note 4: Thermal Shutdown will protect the device from permanent damage.
Note 5: For LM3526-L, OFF is EN
≥ 2.4V and ON is EN ≤ 0.8V. For LM3526-H, OFF is EN ≤ 0.8V and ON is EN ≥ 2.4V.
www.national.com
3


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