20Pcs GM3844AS8R Gamma Current Mode Pwm and 50 similar items
20Pcs GM3844AS8R GAMMA Current Mode PWM Controller IC 1A 16V/6V SO-8
£6.02 GBP
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United States

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OBO - Seller accepts offers on this item.
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Full refund available within 30 days
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View full item details »
Shipping options
Seller handling time is 1 business day Details
No shipping price specified to GB
Ships from
United States

Offer policy
OBO - Seller accepts offers on this item.
Details
Return policy
Full refund available within 30 days
Purchase protection
Catalog info
Payment options
PayPal accepted
PayPal Credit accepted
Venmo accepted
PayPal, MasterCard, Visa, Discover, and American Express accepted
Maestro accepted
Amazon Pay accepted
Nuvei accepted
Item traits
Category: | |
---|---|
Quantity Available: |
Only one in stock, order soon |
Condition: |
New |
Brand: |
GAMMA |
MPN: |
GM3844AS8R, GM3844A |
Mounting Style: |
Surface Mount |
Type: |
Gate Driver |
Number of Pins: |
8 |
Features: |
PWM Current Mode Method |
Power Dissipation: |
50 W |
Maximum Input Current: |
1 A |
Maximum Operating Voltage: |
6 V |
Listing details
Shipping discount: |
No combined shipping offered |
---|---|
Posted for sale: |
More than a week ago |
Item number: |
1646426253 |
Item description
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Integrated Circuits - ICs
Power Management ICs
PWM Controllers
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20X GM3844AS8R GAMMA Current Mode PWM Controller 1A 16V/6V 50% 1W SO-8
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Description
Specifications
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20Pcs GM3844AS8R GAMMA Current Mode PWM Controller 1A 16V/6V 50% 1W SO-8
Specification
Manufacturer
APM Gamma
Part Number
GM3842AS8R
Package
SOP-8
Start Threshold Voltage Min
14.5V
Start Threshold Voltage Typ
16.0V
Start Threshold Voltage Max
17.5V
Minimum Operating Voltage Min
8.5V
Minimum Operating Voltage Typ
10.0V
Minimum Operating Voltage Max
11.5V
Maximum Duty Cycle Min
95%
Maximum Duty Cycle Typ
97%
Maximum Duty Cycle Max
100%
Minimum Duty Cycle
0%
Start-Up Current Min
0.17mA
Start-Up Current Typ
0.3mA
Operating Supply Current Min
13mA
Operating Supply Current Typ
17mA
Zero Voltage
30V
Reference Output Voltage Min
4.9V
Reference Output Voltage Typ
5.0V
Reference Output Voltage Max
5.1V
Line Regulation Typ
6.0mV
Line Regulation Max
20mV
Load Regulation Typ
6.0mV
Load Regulation Max
25mV
Short Circuit Output Current Min
-100mA
Short Circuit Output Current Typ
-180mA
Oscillation Frequency Min
47KHz
Oscillation Frequency Typ
52KHz
Oscillation Frequency Max
57KHz
Frequency Change with Voltage Typ
0.05%
Frequency Change with Voltage Max
1%
Oscillator Amplitude
1.6V
Input Bias Current Typ
-0.1?A
Input Bias Current Max
-2.0?A
Input Voltage Min
2.42V
Input Voltage Typ
2.5V
Input Voltage Max
2.58V
Open Loop Voltage Gain Typ
65dB
Open Loop Voltage Gain Max
90dB
Power Supply Rejection Ratio Typ
60dB
Power Supply Rejection Ratio Max
70dB
Output Sink Current Min
2mA
Output Sink Current Typ
7mA
Output Source Current Min
0.5mA
Output Source Current Typ
1.0mA
High Output Voltage Min
5.0V
High Output Voltage Typ
6.0V
Low Output Voltage Min
0.1V
Low Output Voltage Typ
0.8V
Current Sense Input Voltage Gain Min
2.85V/V
Current Sense Input Voltage Gain Typ
3.0V/V
Current Sense Input Voltage Gain Max
3.15V/V
Maximum Input Signal Min
1.0V
Maximum Input Signal Max
1.1V
Supply Voltage Rejection Typ
70dB
Input Bias Current Typ
-3.0?A
Input Bias Current Max
-10?A
Low Output Voltage Min
0.8V
Low Output Voltage Typ
0.4V
High Output Voltage Min
13V
High Output Voltage Typ
13.5V
Rise Time Min
45ns
Rise Time Max
150ns
Fall Time Min
35ns
Fall Time Max
150ns
Supply Voltage Max
30V
Output Current Source or Sink Max
1A
Input Voltage
-0.3V to +5.5V
Maximum Power Dissipation
1.0W
Error Amp Output Sink Current Max
10mA
Operating Ambient Temperature Range
-40 to 125C
Storage Temperature
-65 to 150C
Lead Temperature (Soldering 10 Sec)
260C
Features
Low Start-Up and Operating Current, Automatic Feed Forward Compensation, Current Mode Operating Frequency up to 500KHz, Trimmed Oscillator Discharge Current for Precise Duty Cycle Control, Latching PWM for Cycle-By-Cycle Current Limiting, Under Voltage Lockout with Hysteresis, High Current totem Pole Output Stage
Applications
Off-line flyback or forward converters, DC-to-DC buck boost converter, Monitor Power Supply
Shipping Policy
Our go-to options for small to medium items are USPS Ground Advantage and USPS Priority
Mail, known for their reliable tracking and peace of mind.
Smaller items might qualify for USPS First Class Mail. Contact us to discuss this option
before purchasing.
Note: This method is less recommended due to the potential for delays.
Return Policy
We offer a 30-day return policy, no questions asked. If you choose to provide a reason
for the return, it will assist us in improving and fix the issue.
Packaging
Our items are packaged according to their needs?some in ESD bags with pins secured in
protective sponge, others in foam-enclosed boxes. For larger quantities, options include
broken tubes for transistors or cartons. We welcome your suggestions for packaging
preferences.
Sofitrek Product Disclaimer
Nature of Goods:
All products offered by Sofitrek are surplus items. These products may originate from
older batches, series, or have earlier date codes compared to those currently provided
by the original manufacturers or their authorized dealers.
Non-Affiliation:
Sofitrek operates independently and is not an authorized distributor, nor is it
affiliated or associated with the manufacturers of the products sold. Consequently,
Sofitrek does not represent the manufacturers of these products in any capacity.
Exclusion of Manufacturer's Warranty:
Since Sofitrek is not an authorized distributor, the original manufacturer's warranties
are explicitly not applicable to the products sold. This includes any implied warranties
of merchantability or fitness for a particular purpose.
Firmware and Software:
Some products may include pre-installed firmware or software. However, Sofitrek does not
guarantee the presence, compatibility, or the revision level of such firmware or
software as suitable for your specific application. Furthermore, Sofitrek expressly
disclaims any representation regarding your right or ability to download, obtain, or
install any firmware or software for the products from any source, including the
original manufacturers or their distributors.
Limitation of Liability:
Sofitrek shall not be held liable for any form of damages?direct, indirect, incidental,
consequential, or otherwise?arising from the use, misuse, or inability to use any
product sold. This includes, but is not limited to, damages for loss of profits,
goodwill, use, data, or other intangible losses. The buyer assumes all responsibility
for the safe and lawful use of the product and agrees to indemnify and hold harmless
Sofitrek against any claims, liabilities, or expenses related to the product's use.
Compliance and Responsibility:
The buyer is solely responsible for adhering to all terms of any End-User License
Agreement or similar documentation related to the products, particularly concerning the
obtaining, installation, and use of firmware or software.
Severability:
If any provision of this disclaimer is found to be invalid or unenforceable, the remaining provisions shall continue to be in full force and effect.
By purchasing from Sofitrek, the buyer acknowledges having read, understood, and agreed to
this disclaimer in its entirety.
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