LM2744EVAL National Semiconductor, LM2744EVAL Datasheet - Page 7

• 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: -

V
V
V
Load Transient Response (I
CC
CC
CC
= 3.3V, V
= 3.3V, V
= 3.3V, V
I
OUT
= 4A, C
C
C
SS
SS
Shutdown (Full-Load)
Start-Up (No-Load)
IN
IN
IN
= 12nF, F
= 12nF, F
= 5V, V
= 5V, V
= 5V, V
SS
= 12nF, F
REF
REF
REF
SW
SW
= 0.6V, V
= 0.6V, V
= 0.6V, V
= 300kHz
= 300kHz
SW
OUT
= 300kHz
= 4A to 0A)
OUT
OUT
OUT
20106052
20106048
20106050
= 1.2V
= 1.2V
= 1.2V
7
V
V
V
Load Transient Response (I
CC
CC
CC
= 3.3V, V
= 3.3V, V
= 3.3V, V
I
OUT
= 4A, C
Load Transient Response
C
C
SS
SS
Start-Up (Full-Load)
IN
IN
IN
= 12nF, F
= 12nF, F
= 5V, V
= 5V, V
= 5V, V
SS
= 12nF, F
REF
REF
REF
SW
SW
= 0.6V, V
= 0.6V, V
= 0.6V, V
= 300kHz
= 300kHz
SW
OUT
= 300kHz
= 0A to 4A)
OUT
OUT
OUT
20106053
20106051
20106049
= 1.2V
= 1.2V
= 1.2V
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