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MC34065H,L

Specifications Rating Symbol Value Unit Power Supply Voltage VCC 20 V Output Current, Source or Sink (Note 1) IO 400 mA Output Energy (Capacitive Load per Cycle) W 5.0 J Current Sense, Enable, and Voltage Feedback Inputs Vin 0.3 to +5.5 V Sync InputHigh State (V...

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MC34065H,L: Specifications Rating Symbol Value Unit Power Supply Voltage VCC 20 V Output Current, Source or Sink (Note 1) IO 400 mA Output Energy (Capacitive Load per Cycle) W 5.0 J ...

MC34065H,L Data Sheet

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Part Number:
MC34065H,L
Supply Ability:
5000

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Upload time: 2024/11/27

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Description



Specifications

Rating Symbol Value Unit
Power Supply Voltage VCC 20 V
Output Current, Source or Sink (Note 1) IO 400 mA
Output Energy (Capacitive Load per Cycle) W 5.0 J
Current Sense, Enable, and Voltage Feedback Inputs Vin 0.3 to +5.5 V
Sync Input
High State (Voltage)
Low State (Reverse Current)

 

VIH
IIL

 

 +5.5
5.0		 V
mA
Error Amp Output Sink Current IO 10 mA
Power Dissipation and Thermal Characteristics
DW Suffix, Plastic Package Case 751G
Maximum Power Dissipation @ TA = 25
Thermal Resistance, JunctiontoAir
P Suffix, Plastic Package Case 648
Maximum Power Dissipation @ TA = 25°C
Thermal Resistance, JunctiontoAir
PD
RJA


PD
RJA

862
145

1.25
100

 mW
/W

mW
/W
Operating Junction Temperature TJ +150
Operating Ambient Temperature (Note 3)
MC34065
MC33065		 TA
 0 to +70
40 to +85
Storage Temperature Range Tstg 65 to +150



Description

The MC34065H,L series are high performance, fixed frequency, dualcurrent mode controllers. They are specifically designed for offline anddctodc converter applications offering the designer a cost effectivesolution with minimal external components. MC34065H,L featurea unique oscillator for precise duty cycle limit and frequency control, atemperature compensated reference, two high gain error amplifiers, twocurrent sensing comparators, Drive Output 2 Enable pin, and two highcurrent totem pole outputs ideally suited for driving power MOSFETs.
Also included are protective features consisting of input and referenceundervoltage lockouts each with hysteresis, cyclebycycle current limiting,and a latch for single pulse metering of each output. MC34065H,L are available in dualinline and surface mount packages.
The MC34065H has UVLO thresholds of 14 V (on) and 10 V (off), ideallysuited for offline converters. TheMC34065L is tailored for lower voltageapplications having UVLO thresholds of 8.4 V (on) and 7.8 V (off).




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