Fujitsu MB39A105 manual Power Dissipation vs. Ambient Temperature

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MB39A105

(Continued)

Power Dissipation vs. Ambient Temperature

	600
PD (mW)	500
	490
	400
dissipation	300
	200

Power	100
Power	0
	0
	−40	−20	0	20	40	60	80	100

Ambient temperature Ta ( °C)

9

Image 9

Contents Features DescriptionPackage PIN Assignment PIN Description Pin No Symbol DescriptionsBlock Diagram Parameter Symbol Condition Value Unit Min Typ Parameter Symbol Condition Rating Unit Min MaxAbsolute Maximum Ratings Recommended Operating ConditionsElectrical Characteristics ParameterPin Conditions Value Unit Min Typ Max Error Typical CharacteristicsTriangularwave oscillation Power Dissipation vs. Ambient Temperature Functions Error amplifier block Error Amp1, Error Amp2Triangular-wave oscillator block OSC PWM comparator block PWM CompTimer-latch short-circuit protection circuit SCP PowerUnder voltage lockout protection circuit Uvlo Short-circuit protection detection output functionSetting the Triangular Oscillation Frequency Setting the Output VoltageSetting the SOFT-START Times Timer-latch short-circuit protection circuit MB39A105 Equivalent Circuit Application Parts No Parts ListSelection of Components 2I OV O 2LV O Peak-to-peak value ESR Reference Data Ordering Information Usage PrecautionDo not apply negative voltages Part number Package RemarksIndex Package DimensionFujitsu Limited