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LTC1262C Datasheet(PDF) 3 Page - Linear Technology |
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LTC1262C Datasheet(HTML) 3 Page - Linear Technology |
3 / 8 page 3 LTC1262 TYPICAL PERFORMANCE CHARACTERISTICS PI FU CTIO S VOUT (Pin 6): 12V Output. Connect a 4.7µF bypass capaci- tor COUT to ground. When in the shutdown mode VOUT = VCC. GND (Pin 7): Ground. SHDN (Pin 8): Logic Level Shutdown Pin. Application of a logic low at SHDN pin will place the regulator in normal operation. With no external connection, or with SHDN tied to VCC, the device will be put into shutdown mode. Connect to GND for normal operation. In shutdown mode the charge pump is turned off and VOUT = VCC. Efficiency vs Output Current Shutdown Supply Current vs Temperature Output Voltage vs Output Current C1– (Pin 1): C1 Negative Input. Connect a 0.22 µF capaci- tor C1 between C1+ and C1–. C1+ (Pin 2): C1 Positive Input. Connect a 0.22 µF capaci- tor C1 between C1+ and C1–. C2 – (Pin 3): C2 Negative Input. Connect a 0.22 µF capaci- tor C2 between C2+ and C2 –. C2+ (Pin 4): C2 Positive Input. Connect a 0.22 µF capaci- tor C2 between C2+ and C2 –. VCC (Pin 5): Positive Supply Input Where 4.75V ≤ VCC ≤ 5.5V. Connect a 4.7µF bypass capacitor CIN to ground. Supply Current vs Supply Voltage SUPPLY VOLTAGE (V) 4.5 480 500 520 540 560 600 4.75 5.0 5.25 5.5 LTC1262 G03 5.75 6.0 580 TA = 70°C IOUT = 0 TA = 25°C TA = 0°C OUTPUT CURRENT (mA) 0 55 60 65 70 75 85 10 20 30 40 LTC1262 G01 50 80 VCC = 4.75V VCC = 5V VCC = 5.5V TEMPERATURE ( °C) –50 0 0.6 1.2 1.8 2.4 3.6 –25 025 50 LTC1262 G02 75 100 3.0 VCC = 5V OUTPUT CURRENT (mA) 0 5 10 15 20 25 30 35 40 45 50 12.2 12.0 11.8 11.6 11.4 11.2 11.0 10.8 10.6 10.4 10.2 1262 G04 VCC = 4.75V VCC = 5.5V VCC = 5V |
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