H3842P, H38730, H38867E8AHP Selling Leads, Datasheet
MFG:150 Package Cooled:05+ D/C:DIP-8
H3842P, H38730, H38867E8AHP Datasheet download
Part Number: H3842P
MFG: 150
Package Cooled: 05+
D/C: DIP-8
H3842P, H38730, H38867E8AHP
- Table of contents:
Info of H3842P
Info of H38730
Info of H38867E8AHP
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About H3842P
PDF/DataSheet Download
Datasheet: H3842P
File Size: 158486 KB
Manufacturer: HSMC [Hi-Sincerity Mocroelectronics]
Download : Click here to Download
About H3842
PDF/DataSheet Download
Datasheet: H3842
File Size: 158486 KB
Manufacturer: HSMC [Hi-Sincerity Mocroelectronics]
Download : Click here to Download
About H3842
PDF/DataSheet Download
Datasheet: H3842
File Size: 158486 KB
Manufacturer: HSMC [Hi-Sincerity Mocroelectronics]
Download : Click here to Download
H3842P General Description
The H3842P/HSMC3842 are high performance fixed frequency current mode controllers. They are specifically designed for Off-Line and DC To DC converter applications offering the designer a cost-effective solution with minimal external components. These integrated circuits feature a trimmed oscillator for precise duty cycle control. A temperature compensa-ted reference, high gain error amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET. Also included are protective features consisting of input and reference undervoltage ockouts each with hysteresis, cycle-by-cycle current limiting, programmable output deadtime, and a latch for single pulse metering.
H3842P Maximum Ratings
|
Symbol |
Parameter |
Value |
Unit |
|
Vi |
Supply Voltage (low impedance source) |
30 |
V |
|
Supply Voltage (Ii<30mA) |
Self Limiting |
||
|
Io |
Output Current |
±1 |
A |
|
Eo |
Output Energy (capacitive load) |
5 |
uJ |
|
Analog Inputs (pin 2, 3) |
-0.3 to 5.5 |
V | |
|
Error Amplifier Output Sink Current |
10 |
mA | |
|
Ptot |
Power Dissipation at Tamb25oC |
1.25 |
mW |
|
Tstg |
Storage Temperature Range |
-65 to 150 |
oC |
|
TJ |
Junction Operating Temperature |
-40 to 150 |
oC |
|
TL |
Lead Temperature (soldering 10s) |
300 |
oC |
H3842P Features
• Trimmed Oscillator for Precise Frequency Control
• Oscillator Frequency Guaranteed at 250 kHz
• Current Mode Operation to 500 kHz
• Automatic Feed Forward Compensation
• Latching PWM for Cycle-By-Cycle Current Limiting
• Internally Trimmed Reference with Undervoltage Lockout
• High Current Totem Pole Output
• Undervoltage Lockout with Hysteresis
• Low Startup and Operating Current
• Oscillator Frequency Guaranteed at 250 kHz
• Current Mode Operation to 500 kHz
• Automatic Feed Forward Compensation
• Latching PWM for Cycle-By-Cycle Current Limiting
• Internally Trimmed Reference with Undervoltage Lockout
• High Current Totem Pole Output
• Undervoltage Lockout with Hysteresis
• Low Startup and Operating Current
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