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LM196

National Semiconductor
Part Number LM196
Manufacturer National Semiconductor
Description LM196/LM396 10 Amp Adjustable Voltage Regulator
Published Mar 22, 2005
Detailed Description LM196 LM396 10 Amp Adjustable Voltage Regulator August 1992 LM196 LM396 10 Amp Adjustable Voltage Regulator General De...
Datasheet PDF File LM196 PDF File

LM196
LM196

Overview
LM196 LM396 10 Amp Adjustable Voltage Regulator August 1992 LM196 LM396 10 Amp Adjustable Voltage Regulator General Description The LM196 is a 10 amp regulator adjustable from 1 25V to 15V which uses a revolutionary new IC fabrication structure to combine high power discrete transistor technology with modern monolithic linear IC processing This combination yields a high-performance single-chip regulator capable of supplying in excess of 10 amps and operating at power levels up to 70 watts The regulators feature on-chip trimming of reference voltage to g 0 8% and simultaneous trimming of reference temperature drift to 30 ppm C typical Thermal interaction between control circuitry and the pass transistor which affects the output voltage has been reduced to extremely low levels by strict attention to isothermal layout This interaction called thermal regulation is 100% tested These new regulators have all the protection features of popular lower power adjustable regulators such as LM117 and LM138 including current limiting and thermal limiting The combination of these features makes the LM196 immune to blowout from output overloads or shorts even if the adjustment pin is accidentally disconnected All devices are ‘‘burned-in’’ in thermal shutdown to guarantee proper operation of these protective features under actual overload conditions Output voltage is continuously adjustable from 1 25V to 15V Higher output voltages are possible if the maximum input-output voltage differential specification is not exceeded Full load current of 10A is available at all output voltages subject only to the maximum power limit of 70W and of course maximum junction temperature The LM196 is exceptionally easy to use Only two external resistors are used to to set output voltage On-chip adjustment of the reference voltage allows a much tighter specification of output voltage eliminating any need for trimming in most cases The regulator will tolerate an extremely wide range of reactive loads a...


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