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Voltage Mode PWM Controllers Adv Voltage Mode
| Manufacturer : | TI/UC |
|---|---|
| Package/Case : | SOP-14 |
| Product Categories : | Voltage Mode PWM Controllers |
| Datasheet: | UCC35701D Datasheet (PDF) |
| RoHs Status: | Lead free/RoHS Compliant |
| Marking Code: | UCC35701D |
| In-stock: | 8250 |
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UCC35701D Product Details
The UCC35701/UCC35702 family of pulse width modulators is intended for isolated switching power supplies using primary side control. They can be used for both off-line applications and DC/DC converter designs such as in a distributed power system architecture or as a telecom power source.
The devices feature low startup current, allowing for efficient off-line starting, yet have sufficient output drive to switch power MOSFETs in excess of 500kHz.
Voltage feed forward compensation is operational over a 5:1 input range and provides fast and accurate response to input voltage changes over a 4:1 range. An accurate volt-second clamp and maximum duty cycle limit are also featured.
Fault protection is provided by pulse by pulse current limiting as well as the ability to latch off after a programmable number of repetitive faults has occurred.
Two UVLO options are offered. UCC35701 family has turn-on and turn-off thresholds of 13V/9V and UCC35702 family has thresholds of 9.6V/8.8V.
The UCC35701/2 and the UCC25701/2 are offered in the 14 pin SOIC (D), 14 pin PDIP (N) or in 14 pin TSSOP (PW) packages. The UCC15701/2 is offered in the 14 pin CDIP (J) package.
Feature
- 700kHz Operation
- Integrated Oscillator/Voltage Feed Forward Compensation
- Accurate Duty Cycle Limit
- Accurate Volt-second Clamp
- Optocoupler Interface
- Fault Counting Shutdown
- Fault Latch off or Automatic Shutdown
- Soft Stop Optimized for Synchronous Rectification
- 1A Peak Gate Drive Output
- 130μA Start-up Current
- 750μA Operating Current
The UCC35701/UCC35702 family of pulse width modulators is intended for isolated switching power supplies using primary side control. They can be used for both off-line applications and DC/DC converter designs such as in a distributed power system architecture or as a telecom power source.
The devices feature low startup current, allowing for efficient off-line starting, yet have sufficient output drive to switch power MOSFETs in excess of 500kHz.
Voltage feed forward compensation is operational over a 5:1 input range and provides fast and accurate response to input voltage changes over a 4:1 range. An accurate volt-second clamp and maximum duty cycle limit are also featured.
Fault protection is provided by pulse by pulse current limiting as well as the ability to latch off after a programmable number of repetitive faults has occurred.
Two UVLO options are offered. UCC35701 family has turn-on and turn-off thresholds of 13V/9V and UCC35702 family has thresholds of 9.6V/8.8V.
The UCC35701/2 and the UCC25701/2 are offered in the 14 pin SOIC (D), 14 pin PDIP (N) or in 14 pin TSSOP (PW) packages. The UCC15701/2 is offered in the 14 pin CDIP (J) package.
Technical Parameters
- Number of Outputs
- 1
- Topology
- Boost, Buck, Flyback, Forward
- Output Current
- 1000 mA
- Switching Frequency
- 700 kHz
- Maximum Operating Temperature
- + 70 C
- Minimum Operating Temperature
- 0 C
- Package / Case
- SOIC-14
- Packaging
- Tube
- Fall Time
- 20 ns
- Mounting Style
- SMD/SMT
- Rise Time
- 20 ns
- Factory Pack Quantity
- 50
- Synchronous Pin
- Yes
UCC35701D Related Products
Ratings and Reviews (1)
- 5 / 5
- 5 Stars 100%
- 4 Stars 0%
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FAQ:
- Q: How does Jotrin guarantee that UCC35701D is the original manufacturer or agent of TI/UC?
- We have a professional business development department to strictly test and verify the qualifications of TI/UC original manufacturers and agents. All TI/UC suppliers must pass the qualification review before they can publish their UCC35701D devices; we pay more attention to the channels and quality of UCC35701D products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
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If there is something wrong with the UCC35701D we delivered, we will accept the replacement or return of the UCC35701D only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of UCC35701D.
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