Datasheet LT1513, LT1513-2 (Analog Devices) - 2

LT1513/LT1513-2
W W W U ABSOLUTE AXI U A R TI GS
Supply Voltage ... 30V Operating Junction Temperature Range Switch Voltage .. 40V LT1513C ... 0°C to 125°C S/S Pin Voltage ... 30V LT1513I .. – 40°C to 125°C FB Pin Voltage (Transient, 10ms) ... ±10V Short Circuit ... 0°C to 150°C VFB Pin Current .. 10mA Storage Temperature Range .. – 65°C to 150°C IFB Pin Voltage (Transient, 10ms) ... ±10V Lead Temperature (Soldering, 10 sec)... 300°C
U W U PACKAGE/ORDER I FOR ATIO
ORDER PART ORDER PART FRONT VIEW NUMBER NUMBER 7 VIN FRONT VIEW 6 S/S TAB 5 VSW LT1513CR 7 VIN LT1513-2CT7 IS 4 GND 6 S/S GND 3 I 5 VSW LT1513-2IT7 FB LT1513-2CR 2 FB LT1513IR 4 GND 1 VC 3 IFB LT1513-2IR 2 FB R PACKAGE 1 VC 7-LEAD PLASTIC DD T7 PACKAGE TJMAX = 125°C, θJA = 30°C/ W 7-LEAD TO-220 WITH PACKAGE SOLDERED TO 0.5INCH2 COPPER TJMAX = 125°C, θJA = 50°C/ W, θJC = 4°C/W AREA OVER BACKSIDE GROUND PLANE OR INTERNAL POWER PLANE, θJA CAN VARY FROM 20°C/W TO > 40°C/W DEPENDING ON MOUNTING TECHNIQUE Consult factory for Military grade parts.
ELECTRICAL CH C ARA 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 ● 1.228 1.245 1.262 V FB Input Current VFB = VREF 300 550 nA ● 600 nA FB Reference Voltage Line Regulation 2.7V ≤ VIN ≤ 25V, VC = 0.8V ● 0.01 0.03 %/V VIREF IFB Reference Voltage (LT1513) Measured at IFB Pin – 107 – 100 – 93 mV VFB = 0V, VC = 0.8V ● –110 – 100 – 90 mV IFB Input Current VIFB = VIREF (Note 2) ● 10 25 35 µA IFB Reference Voltage Line Regulation 2.7V ≤ VIN ≤ 25V, VC = 0.8V ● 0.01 0.05 %/V IFBVOS IFB Voltage Offset (LT1513-2) (Note 3) IVFB = 60µA (Note 4) ● – 7.5 2.5 12.5 mV IFB Input Current VIFB = VIREF ● – 200 – 10 0 nA VFB Source Current VIREF = – 10mV, VFB = 1.2V ● – 700 – 300 – 100 µA gm Error Amplifier Transconductance ∆IC = ±25µA 1100 1500 1900 µmho ● 700 2300 µmho Error Amplifier Source Current VFB = VREF – 150mV, VC = 1.5V ● 120 200 350 µA Error Amplifier Sink Current VFB = VREF + 150mV, VC = 1.5V ● 1400 2400 µA sn1513 1513fas 2