MC44603P, MC44604, MC44604AP Selling Leads, Datasheet
MFG:MOTOROLA Package Cooled:DIP D/C:N/A
MC44603P, MC44604, MC44604AP Datasheet download
Part Number: MC44603P
MFG: MOTOROLA
Package Cooled: DIP
D/C: N/A
MC44603P, MC44604, MC44604AP
- Table of contents:
Info of MC44603P
Info of MC44604
Info of MC44604AP
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About MC44603P
PDF/DataSheet Download
Datasheet: MC44603P
File Size: 462145 KB
Manufacturer: ONSEMI [ON Semiconductor]
Download : Click here to Download
About MC44604
PDF/DataSheet Download
Datasheet: MC44604
File Size: 349976 KB
Manufacturer: ONSEMI [ON Semiconductor]
Download : Click here to Download
About MC400
PDF/DataSheet Download
Datasheet: MC400
File Size: 95174 KB
Manufacturer: ETC [ETC]
Download : Click here to Download
MC44604 General Description
The MC44604 is an enhanced high performance controller that is specifically designed for offline and dctodc converter applications. Its high current totem pole output is ideally suited for driving a power MOSFET.
The MC44604 is an evolution of the MC44603A. Like the MC44603A, the MC44604 has been optimized to operate with
universal ac mains voltage from 80 V to 280 V. It also offers enhanced safety and reliable power management thanks to its protection features (foldback, overvoltage detection, softstart, accurate demagnetization detection).
In addition, the MC44604 offers a new efficient way to reduce the standby operating power by means of a socalled pulsed modestandby operation of the converter, significantly reducing the converter consumption in standby mode.
MC44604 Maximum Ratings
|
Rating |
Pin # |
Symbol |
Value |
Unit |
| Total Power Supply and Zener Current |
(ICC + IZ) |
30 |
mA | |
| Output Supply Voltage with Respect to Ground |
2 1 |
VC VCC |
18 |
V |
| Output Current* Source Sink |
3 |
IO(Source) IO(Sink) |
-750 750 |
mA |
| Output Energy (Capacitive Load per Cycle) |
W |
5.0 |
J | |
| SoftStart |
11 |
VSS |
0.3 to 2.2 |
V |
| Clamp Error Amp Input |
12 |
VCLEA |
0.3 to 4.5 |
V |
| Foldback Input, Standby Management |
0.3 to VCC + 0.3 |
V | ||
| Overvoltage Protection, Current Sense Input, Rref, Error Amp Input, Error Amp Output, CT, Standby Current Set |
Vin |
0.3 to 5.5 |
V | |
| Demagnetization Detection Input Current Source Sink |
8 |
Idemagib (Source) Idemagib (Sink) |
4.0 10 |
mA |
| Error Amplifier Output Sink Current |
13 |
IE/A (Sink) |
20 |
mA |
| Power Dissipation and Thermal Characteristics Maximum Power Dissipation at TA = 85 Thermal Resistance, JunctiontoAir |
PD RJA |
0.6 100 |
W /W | |
| Operating Junction Temperature |
TJ |
150 |
||
| Operating Ambient Temperature |
TA |
25 to +85 |
MC44604 Features
Current Mode Controller
• Operation Up to 250 kHz Output Switching Frequency
• Inherent Feed Forward Compensation
• Latching PWM for CyclebyCycle Current Limiting
• Oscillator with Precise Frequency Control
High Flexibility
• Externally Programmable Reference Current
• Secondary or Primary Sensing
• High Current Totem Pole Output
• Undervoltage Lockout with Hysteresis
Safety/Protection Features
• Overvoltage Protection Facility Against Open Loop
• Protection Against Short Circuit on Oscillator Pin
• Fully Programmable Foldback
• SoftStart Feature
• Accurate Maximum Duty Cycle Setting
• Demagnetization (Zero Current Detection) Protection
• Internally Trimmed Reference
GreenLineTM ControllerTM
• Low StartUp and Operating Current
• Pulsed Mode Standby for Low Standby Losses
• Low dV/dT for Low EMI
• Operation Up to 250 kHz Output Switching Frequency
• Inherent Feed Forward Compensation
• Latching PWM for CyclebyCycle Current Limiting
• Oscillator with Precise Frequency Control
High Flexibility
• Externally Programmable Reference Current
• Secondary or Primary Sensing
• High Current Totem Pole Output
• Undervoltage Lockout with Hysteresis
Safety/Protection Features
• Overvoltage Protection Facility Against Open Loop
• Protection Against Short Circuit on Oscillator Pin
• Fully Programmable Foldback
• SoftStart Feature
• Accurate Maximum Duty Cycle Setting
• Demagnetization (Zero Current Detection) Protection
• Internally Trimmed Reference
GreenLineTM ControllerTM
• Low StartUp and Operating Current
• Pulsed Mode Standby for Low Standby Losses
• Low dV/dT for Low EMI
MC44604 Connection Diagram
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