LM2743-19AEVAL National Semiconductor, LM2743-19AEVAL Datasheet - Page 2

• Manufacturer Part Number: LM2743-19AEVAL
• Description: BOARD EVALUATION LM2743-19A
• Manufacturer: National Semiconductor
• Series: PowerWise®r

Specifications of LM2743-19AEVAL

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 1.2 ~ 3.3V
• Current - Output: 19A
• Voltage - Input: 8 ~ 14V
• Regulator Topology: Buck
• Frequency - Switching: 300kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LM2743
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

Performance Characteristics Efficiency
30022401
FIGURE 2. Efficiency vs. Load Current
V
= 3.3V, f
= 300 kHz
OUT
SW
Switch Node Voltage and Output Voltage Ripple
30022404
30022403
FIGURE 3. V
= 8V, V
= 3.3V,
FIGURE 4. V
= 8V, V
= 3.3V,
IN
OUT
IN
OUT
I
= 100 mA, f
= 300 kHz
I
= 19A, f
= 300 kHz
LOAD
SW
LOAD
SW
20 MHz Bandwidth Limit
20 MHz Bandwidth Limit
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