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PWM Controllers
Power ManagementIMP38C/HC/42/3/4/5
BiCMOS Current-Mode PWM Controllers
 Key Features
, 384x Series Pinout with BiCMOS Technology
, Zero Cross-Conduction Current by Design
, 1MHz Operation , 65ns Maximum Current-Sense Delay
, 120μA Maximum Start-up Current
, 1.5mA Maximum Operating Current
, High Output Current Drive ! 1 A, IMP38HC4x ! 0.5A, IMP38C4x
, 20V Maximum Supply Voltage
, 2.5V, 1%, Trimmed Error Amplifier Reference
, Trimmed Oscillator Discharge Current
, Pin-for-Pin Enhanced Replacements for Micrel MIC38C/HC4x and GMT38C4x/HC4x
  PWM Selection Guide
Part Number
Start-up
Voltage
Minimum
Operating Voltage
Maximum
Duty Cycle
Peak
Output Drive
IMP38C42
14.5V
9.0V
96%
0.5A
IMP38C43
8.4V
7.6V
96%
0.5A
IMP38C44
14.5V
9.0V
50%
0.5A
IMP38C45
8.4V
7.6V
50%
0.5A
IMP38HC42
14.5V
9.0V
96%
1.0A
IMP38HC43
8.4V
7.6V
96%
1.0A
IMP38HC44
14.5V
9.0V
50%
1.0A
IMP38HC45
8.4V
7.6V
50%
1.0A
Data Sheet Download   
  PWM Cross Reference Guide
 
 
Power Management
PWM Controllers
uP Supervisors
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USB Power Switches
Electroluminescent Lamp Drivers
Data Communications
UART Products
Single-Ended SCSI Terminators
Multimode LVD SCSI Terminators
PCM Digital Switch
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