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LTC1626 Datasheet(PDF) 3 Page - Linear Technology |
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LTC1626 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 12 page  3 LTC1626 TYPICAL PERFORMANCE CHARACTERISTICS INPUT VOLTAGE (V) 100 98 96 94 92 90 88 86 84 82 80 1626 G01 5.0 5.5 6.0 6.5 7.0 7.5 4.5 2.5 3.5 4.0 3.0 IOUT = 100mA L1 = 33 µH RSENSE = 0.1Ω CT = 270pF IOUT = 250mA INPUT VOLTAGE (V) 100 98 96 94 92 90 88 86 84 82 80 1626 G03 5.0 5.5 6.0 6.5 7.0 7.5 4.5 2.5 3.5 4.0 3.0 IOUT = 100mA L1 = 33 µH RSENSE = 0.1Ω CT = 270pF IOUT = 250mA OUTPUT CURRENT (A) 0.01 100 95 90 85 80 75 70 0.1 1 1626 G02 L1 = 33 µH VIN = 5V VOUT = 3.3V RSENSE = 0.1Ω CT = 270pF Efficiency vs Input Voltage (VOUT = 2.5V) Efficiency vs Input Voltage (VOUT = 3.3V) INPUT VOLTAGE (V) 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0 1626 G04 5.0 5.5 6.0 6.5 7.0 7.5 4.5 2.5 3.5 4.0 3.0 FIGURE 1 CIRCUIT Switch Resistance INPUT VOLTAGE (V) 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 1626 G05 5.0 5.5 6.0 6.5 7.0 2.0 4.5 2.5 3.5 4.0 3.0 TJ = 70°C TJ = 0°C TJ = 25°C JUNCTION TEMPERATURE ( °C) 100 90 80 70 60 50 40 30 20 10 0 1626 G06 50 60 70 80 90 100 40 020 30 10 VIN = 4.5V Switch Leakage Current Operating Frequency INPUT VOLTAGE (V) 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 1626 G07 5.0 5.5 6.0 6.5 7.0 7.5 4.5 2.5 3.5 4.0 3.0 TJ = 25°C * DOES NOT INCLUDE GATE CHARGE CURRENT ACTIVE MODE SLEEP MODE INPUT VOLTAGE (V) 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0 1626 G08 5.0 5.5 6.0 6.5 7.0 7.5 4.5 2.5 3.5 4.0 3.0 TJ = 25°C SHUTDOWN = VIN INPUT VOLTAGE (V) 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 1626 G09 2.5 3.0 3.5 4.0 4.5 5.0 2.0 0 1.0 1.5 0.5 L1 = 33 µH RSENSE = 0.1Ω CT = 270pF TJ = 25°C ILOAD = 250mA VOUT = 3.3V VOUT = 2.5V Supply Current in Shutdown Low Voltage Behavior DC Supply Current* Efficiency vs Output Current (VOUT = 3.3V) |
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Similar Description - LTC1626 |
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