· Power ManagementIMP38C/HC/42/3/4/5 BiCMOS Current-Mode PWM Controllers
 
   
  · 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
 
   
 
 
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
 
       
     
       
   
 
       
 
IMP
Package
Fuji Electric
GMT
Micrel
Unitrode

IMP38C42EMA

8-pin, MicroSO


GMT38C42R08

MIC38C42BMM

IMP38C42EPA
8-pin, Plastic DIP

FA13842P

GMT38C42N08
MIC38C42BN
UC38C42N
IMP38C42EPD
14-pin, Plastic DIP

GMT38C42N14
MIC38C42-1BN

IMP38C42ESA
8-pin, SO
FA13842N
GMT38C42M08
MIC38C42BM
UC38C42J
IMP38C42ESD
14-pin, SO

GMT38C42M14
MIC38C42-1BM
UC38C42D
IMP38C43EMA
8-pin, MicroSO

GMT38C43R08
MIC38C43BMM

IMP38C43EPA
8-pin, Plastic DIP
FA13843P
GMT38C43N08
MIC38C43BN
UC38C43N
IMP38C43EPD
14-pin, Plastic DIP

GMT38C43N14
MIC38C43-1BN

IMP38C43ESA
8-pin, SO
FA13843N
GMT38C43M08
MIC38C43BM
UC38C43J
IMP38C43ESD
14-pin, SO

GMT38C43M14
MIC38C43-1BM
UC38C43D
IMP38C44EMA
8-pin, MicroSO

GMT38C44R08
MIC38C44BMM

IMP38C44EPA
8-pin, Plastic DIP
FA13844P
GMT38C44N08
MIC38C44BN
UC38C44N
IMP38C44EPD
14-pin, Plastic DIP

GMT38C44N14
MIC38C44-1BN

IMP38C44ESA
8-pin, SO
FA13844N
GMT38C44M08
MIC38C44BM
UC38C44J
IMP38C44ESD
14-pin, SO

GMT38C44M14
MIC38C44-1BM
UC38C44D
IMP38C45EMA
8-pin, MicroSO

GMT38C45R08
MIC38C45BMM

IMP38C45EPA
8-pin, Plastic DIP
FA13845P
GMT38C45N08
MIC38C45BN
UC38C45N
IMP38C45EPD
14-pin, Plastic DIP

GMT38C45N14
MIC38C45-1BN

IMP38C45ESA
8-pin, SO
FA13845N
GMT38C45M08
MIC38C45BM
UC38C45J
IMP38C45ESD
14-pin, SO

GMT38C45M14
MIC38C45-1BM
UC38C45D
IMP38HC42EMA
8-pin, MicroSO

GMT38HC42R08
MIC38HC42BMM

IMP38HC42EPA
8-pin, Plastic DIP

GMT38HC42N08
MIC38HC42BN
UC38HC42N
IMP38HC42EPD
14-pin, Plastic DIP

GMT38HC42N14
MIC38HC42-1BN

IMP38HC42ESA
8-pin, SO

GMT38HC42M08
MIC38HC42BM
UC38HC42J
IMP38HC42ESD
14-pin, SO

GMT38HC42M14
MIC38HC42-1BM
UC38HC42D
IMP38HC43EMA
8-pin, MicroSO

GMT38HC43R08
MIC38HC43BMM

IMP38HC43EPA
8-pin, Plastic DIP

GMT38HC43N08
MIC38HC43BN
UC38HC43N
IMP38HC43EPD
14-pin, Plastic DIP

GMT38HC43N14
MIC38HC43-1BN

IMP38HC43ESA
8-pin, SO

GMT38HC43M08
MIC38HC43BM
UC38HC43J
IMP38HC43ESD
14-pin, SO

GMT38HC43M14
MIC38HC43-1BM
UC38HC43D
IMP38HC44EMA
8-pin, MicroSO

GMT38HC44R08
MIC38HC44BMM

IMP38HC44EPA
8-pin, Plastic DIP

GMT38HC44N08
MIC38HC44BN
UC38HC44N
IMP38HC44EPD
14-pin, Plastic DIP

GMT38HC44N14
MIC38HC44-1BN

IMP38HC44ESA
8-pin, SO

GMT38HC44M08
MIC38HC44BM
UC38HC44J
IMP38HC44ESD
14-pin, SO

GMT38HC44M14
MIC38HC44-1BM
UC38HC44D
IMP38HC45EMA
8-pin, MicroSO

GMT38HC45R08
MIC38HC45BMM

IMP38HC45EPA
8-pin, Plastic DIP

GMT38HC45N08
MIC38HC45BN
UC38HC45N
IMP38HC45EPD
14-pin, Plastic DIP

GMT38HC45N14
MIC38HC45-1BN

IMP38HC45ESA
8-pin, SO

GMT38HC45M08
MIC38HC45BM
UC38HC45J
IMP38HC45ESD
14-pin, SO

GMT38HC45M14
MIC38HC45-1BM
UC38HC45D