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LT1513IT7-2 Datasheet(PDF) 2 Page - Linear Technology |
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LT1513IT7-2 Datasheet(HTML) 2 Page - Linear Technology |
2 / 16 page 2 LT1513/LT1513-2 A G A U A R BSOLUTEXI TI S Supply Voltage ....................................................... 30V Switch Voltage ........................................................ 40V S/S Pin Voltage ....................................................... 30V FB Pin Voltage (Transient, 10ms) ......................... ±10V VFB Pin Current .................................................... 10mA IFB Pin Voltage (Transient, 10ms) ......................... ±10V Operating Junction Temperature Range LT1513C ............................................... 0 °C to 125°C LT1513I ............................................ – 40 °C to 125°C Short Circuit ......................................... 0 °C to 150°C Storage Temperature Range ................ – 65 °C to 150°C Lead Temperature (Soldering, 10 sec) ................. 300 °C ELECTRICAL C C HARA TERISTICS VIN = 5V, VC = 0.6V, VFB = VREF, IFB = 0V, VSW and S/S pins open, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VREF FB Reference Voltage Measured at FB Pin 1.233 1.245 1.257 V VC = 0.8V q 1.228 1.245 1.262 V FB Input Current VFB = VREF 300 550 nA q 600 nA FB Reference Voltage Line Regulation 2.7V ≤ VIN ≤ 25V, VC = 0.8V q 0.01 0.03 %/V VIREF IFB Reference Voltage (LT1513) Measured at IFB Pin – 107 – 100 – 93 mV VFB = 0V, VC = 0.8V q –110 – 100 – 90 mV IFB Input Current VIFB = VIREF (Note 2) q 10 25 35 µA IFB Reference Voltage Line Regulation 2.7V ≤ VIN ≤ 25V, VC = 0.8V q 0.01 0.05 %/V IFBVOS IFB Voltage Offset (LT1513-2) (Note 3) IVFB = 60µA (Note 4) q – 7.5 2.5 12.5 mV IFB Input Current VIFB = VIREF q – 200 – 10 0 nA VFB Source Current VIREF = – 10mV, VFB = 1.2V q – 700 – 300 – 100 µA gm Error Amplifier Transconductance ∆IC = ±25µA 1100 1500 1900 µmho q 700 2300 µmho Error Amplifier Source Current VFB = VREF – 150mV, VC = 1.5V q 120 200 350 µA Error Amplifier Sink Current VFB = VREF + 150mV, VC = 1.5V q 1400 2400 µA PACKAGE/ORDER I FOR ATIO Consult factory for Military grade parts. ORDER PART NUMBER LT1513CR LT1513CR-2 LT1513IR LT1513IR-2 TJMAX = 125°C, θJA = 30°C/ W WITH PACKAGE SOLDERED TO 0.5INCH2 COPPER AREA OVER BACKSIDE GROUND PLANE OR INTERNAL POWER PLANE, θJA CAN VARY FROM 20°C/W TO > 40 °C/W DEPENDING ON MOUNTING TECHNIQUE R PACKAGE 7-LEAD PLASTIC DD FRONT VIEW TAB IS GND VIN S/S VSW GND IFB FB VC 7 6 5 4 3 2 1 ORDER PART NUMBER LT1513CT7-2 LT1513IT7-2 TJMAX = 125°C, θJA = 50°C/ W, θJC = 4°C/W T7 PACKAGE 7-LEAD TO-220 VIN S/S VSW GND IFB FB VC FRONT VIEW 7 6 5 4 3 2 1 |
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