RH1573K DICE TABLE 2: ELECTRICAL CHARACTERISTICS (Postirradiation)10KRAD(Si)20KRAD(Si)50KRAD(Si)100KRAD(Si) 200KRAD(Si)PARAMETERCONDITIONSNOTESMINMAXMINMAXMINMAXMINMAXMINMAXUNITS LATCH Pin Latch-Off 1 1.9 1 2 0.9 2.1 0.8 2.2 0.8 2.2 V Threshold Voltage LATCH Pin Charging 4.4 10 4.4 10 4.2 10.5 4 11 4 11 μA Current LATCH Pin Latching 0.85 0.85 0.85 0.85 0.85 mA Current VIN – VOUT Differential 0.5 0.81 0.5 0.82 0.48 0.85 0.45 0.9 0.4 1 V Threshold for Latch Disable Input Quiescent Current VIN = 7V 2.8 2.8 2.85 2.9 3.1 mA Minimum Input Voltage 2.4 2.4 2.4 2.4 2.4 V for Bias Operation TABLE 3: POST BURN-IN ENDPOINTS AND DELTA LIMITS REQUIREMENTS TA = 25°CENDPOINT LIMITSDELTA LIMITSPARAMETERCONDITIONSNOTESMINMAXMINMAXUNITS Reference Voltage IDRIVE = 20mA, VIN = 5V 1.252 1.278 –0.005 0.005 V DRIVE Pin Current VFB = 1.15V, VDRIVE = 1.5v 280 –10 10 mA Note 1: Stresses beyond those listed under Absolute Maximum Ratings Note 2: Operating conditions are limited by maximum junction may cause permanent damage to the device. Exposure to any Absolute temperature. The regulated feedback or output voltage specifi cation will Maximum Rating condition for extended periods may affect device not apply for all possible combinations of input voltage, drive voltage and reliability and lifetime. drive current. When operating at maximum drive current, the drive voltage range must be limited. When operating at maximum input and drive voltage, the drive current must be limited. rh1573kdicef Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. 3