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LTC1174IS8 Datasheet(PDF) 4 Page - Linear Technology |
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LTC1174IS8 Datasheet(HTML) 4 Page - Linear Technology |
4 / 20 page 4 LTC1174 LTC1174-3.3/LTC1174-5 1174fe Efficiency vs Load Current Efficiency vs Load Current Efficiency vs Load Current Efficiency vs Load Current Efficiency vs Load Current Efficiency vs Load Current TYPICAL PERFOR A CE CHARACTERISTICS LOAD CURRENT (mA) 1 100 95 90 85 80 75 70 10 100 1174 G01 200 VIN = 6V VIN = 9V L = 50 µH VOUT = 5V IPGM = 0V COIL = CTX50-4 LOAD CURRENT (mA) 1 10 100 1174 G02 400 100 95 90 85 80 75 70 L = 50 µH VOUT = 5V IPGM = VIN COIL = CTX50-4 VIN = 6V VIN = 9V LOAD CURRENT (mA) 1 10 100 1174 G03 500 100 95 90 85 80 75 70 L = 100 µH VOUT = 5V IPGM = VIN COIL = CTX100-4 VIN = 6V VIN = 9V LOAD CURRENT (mA) 1 10 100 1174 G04 300 100 90 80 70 60 50 L = 50 µH VOUT = 3.3V IPGM = 0V COIL = CTX50-4 VIN = 5V VIN = 9V LOAD CURRENT (mA) 1 10 100 1174 G06 500 100 90 80 70 60 50 L = 100 µH VOUT = 3.3V IPGM = VIN COIL = CTX100-4 VIN = 5V VIN = 9V LOAD CURRENT (mA) 1 10 100 1174 G05 500 100 90 80 70 60 50 L = 50 µH VOUT = 3.3V IPGM = VIN COIL = CTX50-4 VIN = 5V VIN = 9V Note 3: Guaranteed by design. Note 4: Dynamic supply current is higher due to the gate charge being delivered at the switching frequency. ELECTRICAL CHARACTERISTICS Note 5: Current into Pin 6 only, measured without electrolytic input capacitor. Note 6: The off-time is wafer-sort trimmed. |
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