LM1185 HTC Korea TAEJIN Technology Co., LM1185 Datasheet
LM1185
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LM1185 Summary of contents
Page 1
... The SHDN input enables the output to be turned off, resulting in reduced power consumption. Also, the LM1185 having high ripple rejection ratios, the series can be used with power supply noise. A 470pF capacitor from the Bypass input to ground reduces noise present on the internal reference, which in turn significantly reduces output noise ...
Page 2
... Total Power Dissipation Operating Ambient Temperature Lead Temperature (soldering, 5 sec) Storage Temperature ELECTRICAL CHARACTERISTICS ( 25℃, VIN = Vout+0.5V, unless otherwise noted) Symbol Vin Iout Vout SOT23-5LD Pd SOT89-5LD Topr Tstg − 2 − LM1185SF Value Unit +6.5 150 mA Vss-0.3 to Vin+0.3 300 mW 500 -40 ~ +85 260 -40 ~ +125 HTC V V ° ...
Page 3
... The amount of power the regulator dissipate is primarily a function of input and output voltage, and output current. The following equation is used to calculate worst case actual power dissipation: • Vout Vin + BP SHDN 1uF Gnd (To CMOS Logic or Tie to Vin if unused) to GND is required. − 3 − Vout • + 1uF + 470pF Reference Bypass Cap(Optional) LM1185SF HTC ...
Page 4
... The maximum allowable power dissipation (Equation 3- function of the maximum ambient temperature(T ), the maximum allowable die AMAX temperature(T ) and the thermal resistance from JMAX junction-to-air(θ Equation 3-1 can be used in conjunction with Equation 4-2 to ensure regulator thermal operation is within limits.Forexample: − 4 − LM1185SF JA HTC ...