Datasheet LT1070, LT1071 (Linear Technology) - 2

制造商Linear Technology
描述5A and 2.5A High Efficiency Switching Regulators
页数 / 页12 / 2 — ABSOLUTE MAXIMUM RATINGS (Note 1). (OBSOLETE) ... PACKAGE/ORDER …
修订版E
文件格式/大小PDF / 218 Kb
文件语言英语

ABSOLUTE MAXIMUM RATINGS (Note 1). (OBSOLETE) ... PACKAGE/ORDER INFORMATION. OBSOLETE PACKAGE. ELECTRICAL CHARACTERISTICS The

ABSOLUTE MAXIMUM RATINGS (Note 1) (OBSOLETE) .. PACKAGE/ORDER INFORMATION OBSOLETE PACKAGE ELECTRICAL CHARACTERISTICS The

该数据表的模型线

文件文字版本

LT1070/LT1071
W W W U ABSOLUTE MAXIMUM RATINGS (Note 1)
Supply Voltage Operating Junction Temperature Range LT1070/LT1071 (Note 2) .. 40V Commercial (Operating) ... 0°C to 100°C LT1070HV/LT1071HV (Note 2) .. 60V Commercial (Short Circuit)... 0°C to 125°C Switch Output Voltage Industrial ... – 40°C to 125°C LT1070/LT1071 .. 65V Military
(OBSOLETE) ...
– 55°C to 150°C LT1070HV/LT1071HV .. 75V Storage Temperature Range .. – 65°C to 150°C Feedback Pin Voltage (Transient, 1ms) .. ±15V Lead Temperature (Soldering, 10 sec)... 300°C
U W U PACKAGE/ORDER INFORMATION
BOTTOM VIEW ORDER PART ORDER PART VSW VC NUMBER NUMBER FRONT VIEW 1 LT1070CK LT1070CT 2 5 V CASE LT1070HVCK IN LT1070HVCT 3 IS GND 4 VSW 4 LT1070HVMK LT1070HVIT 3 GND LT1070IK 2 FB LT1070IT VIN FB LT1070MK 1 VC LT1071CT K PACKAGE 4-LEAD TO-3 METAL CAN LT1071CK T PACKAGE LT1071HVCT 5-LEAD PLASTIC TO-220 TJMAX = 100°C, θJA = 35°C/ W, QJC = 2°C (LT1070C, I) LT1071HVCK LT1071HVIT TJMAX = 150°C, θJA = 35°C/ W, QJC = 2°C (LT1070M) TJMAX = 100°C, θJA = 75°C/ W, QJC = 2°C (LT1070C, I) TJMAX = 100°C, θJA = 35°C/ W, QJC = 4°C (LT1071C, I) LT1071HVMK TJMAX = 100°C, θJA = 75°C/ W, QJC = 4°C (LT1071C) LT1071IT TJMAX = 150°C, θJA = 35°C/ W, QJC = 4°C (LT1071M) LT1071MK
OBSOLETE PACKAGE
Consider the T5 Package for Alternate Source Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The

denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VIN = 15V, VC = 0.5V, VFB = VREF, output pin open unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VREF Reference Voltage Measured at Feedback Pin, VC = 0.8V 1.224 1.244 1.264 V ● 1.214 1.244 1.274 V IB Feedback Input Current VFB = VREF 350 750 nA ● 1100 nA gm Error Amplifier Transconductance ∆IC = ±25µA 3000 4400 6000 µmho ● 2400 7000 µmho Error Amplifier Source or Sink Current VC = 1.5V 150 200 350 µA ● 120 400 µA Error Amplifier Clamp Voltage Hi Clamp, VFB = 1V 1.80 2.30 V Lo Clamp, VFB = 1.5V 0.25 0.38 0.52 V Reference Voltage Line Regulation 3V ≤ VIN ≤ VMAX, VC = 0.8V ● 0.03 %/V AV Error Amplifier Voltage Gain 0.9V ≤ VC ≤ 1.4V 500 800 V/V Minimum Input Voltage ● 2.6 3.0 V IQ Supply Current 3V ≤ VIN ≤ VMAX, VC = 0.6V 6 9 mA Control Pin Threshold Duty Cycle = 0 0.8 0.9 1.08 V ● 0.6 1.25 V Normal/Flyback Threshold on Feedback Pin 0.4 0.45 0.54 V 10701fe 2