LM2744EVAL National Semiconductor, LM2744EVAL Datasheet - Page 5

• Manufacturer Part Number: LM2744EVAL
• Description: BOARD EVALUATION LM2744
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LM2744EVAL

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.2V
• Current - Output: 3.5A
• Voltage - Input: 1.8 ~ 5.5V
• Regulator Topology: Buck
• Frequency - Switching: 1MHz
• Board Type: Fully Populated
• Utilized Ic / Part: LM2744
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Power - Output: -

Typical Performance Characteristics
V
CC
Operating Current plus BOOT Current vs Frequency
Efficiency (V
Efficiency (V
FDS6898A FET (T
V
V
CC
CC
= 3.3V, F
= 5V, F
OUT
OUT
= 1.2V, V
= 3.3V, V
SW
SW
= 300kHz
= 300kHz
A
= 25°C)
REF
REF
= 0.6V)
= 1.2V)
20106041
20106040
20106045
5
F
BOOT Pin Current vs Temperature for
SW
Efficiency (V
Output Voltage vs Temperature
= 300kHz, FDS6898A FET, No-Load
V
CC
BOOT Voltage = 3.3V
= 3.3V, F
OUT
= 2.5V, V
SW
= 300kHz
REF
= 0.8V)
20106057
20106043
20106090
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