LM2743MTCX/NOPB National Semiconductor, LM2743MTCX/NOPB Datasheet - Page 3

• Manufacturer Part Number: LM2743MTCX/NOPB
• Description: IC REG CTLR BUCK N-CH 14-TSSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Step-Down (Buck)r

Specifications of LM2743MTCX/NOPB

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.6 ~ 13.5 V
• Current - Output: 20A
• Frequency - Switching: 50kHz ~ 1MHz
• Voltage - Input: 1 ~ 16 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 14-TSSOP
• For Use With: LM2743EVAL - BOARD EVALUATION LM2743LM2743-19AEVAL - BOARD EVALUATION LM2743-19A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: LM2743MTCX

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
www.national.com
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