LM2743-19AEVAL National Semiconductor, LM2743-19AEVAL Datasheet - Page 3

• Manufacturer Part Number: LM2743-19AEVAL
• Description: BOARD EVALUATION LM2743-19A
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LM2743-19AEVAL

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.2 ~ 3.3V
• Current - Output: 19A
• Voltage - Input: 8 ~ 14V
• Regulator Topology: Buck
• Frequency - Switching: 300kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LM2743
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

ERROR AMPLIFIER
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Electrical Characteristics
V
boldface type apply over full Operating Temperature Range. Datasheet min/max specification limits are guaranteed by design,
test, or statistical analysis.
V
BOOT Voltage
I
All other pins
Junction Temperature
Storage Temperature
CC
SEN
CC
Symbol
I
t
t
I
I
I
SEN-TH
GBW
PWGD1
PWGD2
Q_VCC
SS-ON
SS-OC
= 3.3V unless otherwise indicated. Typicals and limits appearing in plain type apply for T
V
I
V
V
SR
EAO
G
ON
FB
EA
FB Pin Voltage
UVLO Thresholds
Operating V
Shutdown V
PWGD Pin Response Time
PWGD Pin Response Time
SS Pin Source Current
SS Pin Sink Current During Over
Current
I
Error Amplifier Unity Gain
Bandwidth
Error Amplifier DC Gain
Error Amplifier Slew Rate
EAO Pin Current Sourcing and
Sinking Capability
Error Amplifier Output Voltage
SEN
Pin Source Current Trip Point
Parameter
CC
CC
Current
Current
-0.3 to V
−65°C to 150°C
-0.3 to 9.5V
(Note
-0.3 to 21V
-0.3 to 7V
CC
V
Rising
Falling
V
Fsw = 600kHz
V
Fsw = 600kHz
V
V
V
V
V
V
V
Minimum
Maximum
+ 0.3V
150°C
CC
CC
CC
CC
FB
FB
SS
SS
EAO
EAO
1)
Rising
Falling
= 0V
= 2.5V
= 3V to 6V
= 3.3V, V
= 5V, V
= 3.3V, V
= 1.5, FB = 0.55V
= 1.5, FB = 0.65V
3
SD
Conditions
SD
SD
= 3.3V
Operating Ratings
= 3.3V
= 0V
Soldering Information
Lead Temperature
(soldering, 10sec)
Infrared or Convection (20sec)
ESD Rating
Supply Voltage Range (V
Junction Temperature Range (T
Thermal Resistance (θ
(Note
3)
JA
0.588
A
Min
1.0
1.0
25
)
= T
7
CC
)
J
= 25°C. Limits appearing in
J
)
2.76
2.42
Typ
110
106
0.6
1.5
1.7
3.2
2.6
9.2
10
90
40
6
6
9
1
2
−40°C to +125°C
0.612
Max
185
2.1
2.1
14
55
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155°C/W
3V to 6V
260°C
235°C
2 kV
Units
MHz
V/µs
mA
mA
µA
µA
µA
µA
dB
µs
µs
V
V
V
V