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LTC1628-PG Datasheet(PDF) 7 Page - Linear Technology |
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LTC1628-PG Datasheet(HTML) 7 Page - Linear Technology |
7 / 32 page 7 LTC1628/LTC1628-PG 1628fb Current Sense Pin Input Current vs Temperature EXTVCC Switch Resistance vs Temperature TEMPERATURE ( °C) –50 –25 25 29 35 0 50 75 1628 G26 27 33 31 25 100 125 VOUT = 5V TEMPERATURE ( °C) –50 –25 0 4 10 0 50 75 1628 G27 2 8 6 25 100 125 Oscillator Frequency vs Temperature TEMPERATURE ( °C) –50 200 250 350 25 75 1628 G28 150 100 –25 0 50 100 125 50 0 300 VFREQSET = 5V VFREQSET = OPEN VFREQSET = 0V Undervoltage Lockout vs Temperature TEMPERATURE ( °C) –50 3.40 3.45 3.50 25 75 1628 G29 3.35 3.30 –25 0 50 100 125 3.25 3.20 Shutdown Latch Thresholds vs Temperature TEMPERATURE ( °C) –50 –25 0 0.5 1.5 2.0 2.5 75 100 50 4.5 1628 G30 1.0 0 25 125 3.0 3.5 4.0 LATCH ARMING LATCHOFF THRESHOLD TYPICAL PERFOR A CE CHARACTERISTICS Input Source/Capacitor Instantaneous Current (Figure 13) IIN 2A/DIV VIN 200mV/DIV VSW1 10V/DIV VIN = 15V 1 µs/DIV 1628 G22 VOUT = 5V IOUT5 = IOUT3.3 = 2A Burst Mode Operation (Figure 13) VOUT 20mV/DIV IOUT 0.5A/DIV VIN = 15V 10 µs/DIV 1628 G23 VOUT = 5V VFCB = OPEN IOUT = 20mA Constant Frequency (Burst Inhibit) Operation (Figure 13) VOUT 20mV/DIV IOUT 0.5A/DIV VIN = 15V 2 µs/DIV 1628 G24 VOUT = 5V VFCB = 5V IOUT = 20mA VSW2 10V/DIV |
Similar Part No. - LTC1628-PG_15 |
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Similar Description - LTC1628-PG_15 |
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