LM2744MTC/NOPB National Semiconductor, LM2744MTC/NOPB Datasheet - Page 6

• Manufacturer Part Number: LM2744MTC/NOPB
• Description: IC REG SYNC BUCK N-CH 14-TSSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Step-Down (Buck)r

Specifications of LM2744MTC/NOPB

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.5 ~ 1.5 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: LM2744EVAL - BOARD EVALUATION LM2744
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: *LM2744MTC; *LM2744MTC/NOPB; LM2744MTC

BOOT Pin Current vs Temperature for
BOOT Pin Current vs Temperature for
BOOT Voltage = 5V
BOOT Voltage = 12V
F
= 300kHz, FDS6898A FET, No-Load
F
= 300kHz, FDS6898A FET, No-Load
SW
SW
20106042
20106044
Frequency vs Temperature
Output Voltage vs Output Current
(F
set to 600kHz nominal)
(V
set to 1.2V nominal)
SW
OUT
20106060
20106056
Switch Waveforms (HG Rising)
Switch Waveforms (HG Falling)
V
= 3.3V, V
= 5V, V
= 0.6V, V
= 1.2V
V
= 3.3V, V
= 5V, V
= 0.6V, V
= 1.2V,
CC
IN
REF
OUT
CC
IN
REF
OUT
I
= 4A, C
= 12nF, F
= 300kHz
I
= 4A, C
= 12nF, F
= 300kHz
OUT
SS
SW
OUT
SS
SW
20106047
20106046
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