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The LM5157EVM-SEPIC supports the following features and performance capabilities:
The electrical performance of the EVM is show in Table 1-1. The EVM terminals and signal test points are listed in Table 1-2. The typical application circuit is shown in Figure 2-1. The EVM complete schematic is shown in Figure 6-1.
Parameter | Test Conditions | MIN | TYP | MAX | UNIT |
---|---|---|---|---|---|
INPUT CHARACTERISTICS | |||||
Input voltage Range VIN | Normal operation, 1 A full load | 6 | 12 | 32 | V |
Power derating from 1 A down to 0.5 A | 4 | 6 | V | ||
Input voltage turn on VIN(ON) | Adjusted by the UVLO/SYNC resistors | 3.9 | V | ||
Input voltage turn off VIN(OFF) | 3.7 | V | |||
OUTPUT CHARACTERISTICS | |||||
Output Voltage VOUT | 12 | V | |||
Maximum Output Current IOUT | VIN > 6 V | 1 | A | ||
4 V < VIN < 6 V | 0.5 | 1 | A | ||
SYSTEM CHARACTERISTICS | |||||
Switching Frequency |
2.1 |
MHz | |||
Full Load Efficiency | VIN = 12 V, IOUT = 1 A | 92 | % | ||
Ambient Temperature, TA | -40 | 125 | °C |