LM2743MTCX/NOPB National Semiconductor, LM2743MTCX/NOPB Datasheet - Page 5

• 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

Typical Performance Characteristics
f
BOOT Pin Current vs Temperature for
SW
= 300 kHz, FDS6898A FET, No-Load
V
Efficiency (V
Efficiency (V
V
CC
BOOT Voltage = 3.3V
CC
= 3.3V, f
= 5V, f
SW
SW
OUT
OUT
= 300 kHz
= 300 kHz
= 1.2V)
= 3.3V)
20095241
20095240
20095242
5
V
CC
Operating Current plus BOOT Current vs Frequency
f
BOOT Pin Current vs Temperature for
SW
= 300 kHz, FDS6898A FET, No-Load
FDS6898A FET (T
V
Efficiency (V
CC
BOOT Voltage = 5V
= 3.3V, f
SW
OUT
= 300 kHz
A
= 2.5V)
= 25°C)
20095257
20095243
20095245
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