UCC28086 Selling Leads, Price trend, UCC28086 DataSheet download, circuit diagram from SeekIC.com

Features: `Programmable Slope Compensation`Internal Soft-Start on the UCC38083/4`Cycle-by-Cycle Current Limiting`Low Start-Up Current of 120 A and 1.5 mA Typical Run Current`Single External Component Oscillator Programmable from 50 kHz to 1 MHz`High-Current Totem-Pole Dual Output Stage Drives Push...

See larger image

SeekIC No. : 004535857 Detail

UCC28086: Features: `Programmable Slope Compensation`Internal Soft-Start on the UCC38083/4`Cycle-by-Cycle Current Limiting`Low Start-Up Current of 120 A and 1.5 mA Typical Run Current`Single External Componen...

UCC28086 Data Sheet

Get Latest Price

Part Number:: UCC28086
Supply Ability:: 5000

Price Break

Qty
1~5000

Unit Price
Negotiable

Processing time
15 Days

SeekIC Buyer Protection PLUS - newly updated for 2013!

Escrow Protection.
Guaranteed refunds.
Secure payments.
Learn more >>

Month Sales

268 Transactions

Rating

evaluate (4.8 stars)

Upload time: 2025/1/6

add to my favourite

Payment Methods

All payment methods are secure and covered by SeekIC Buyer Protection PLUS.

Notice: When you place an order, your payment is made to SeekIC and not to your seller. SeekIC only pays the seller after confirming you have received your order. We will also never share your payment details with your seller.

Product Details

Description

Features:

`Programmable Slope Compensation
`Internal Soft-Start on the UCC38083/4
`Cycle-by-Cycle Current Limiting
`Low Start-Up Current of 120 A and 1.5 mA Typical Run Current
`Single External Component Oscillator Programmable from 50 kHz to 1 MHz
`High-Current Totem-Pole Dual Output Stage Drives Push-Pull Configuration with 1-A Sink and 0.5-A Source Capability
`Current Sense Discharge Transistor to Improve Dynamic Response
`Internally Trimmed Bandgap Reference
` Undervoltage Lockout with Hysteresis

Application

· High-Efficiency Switch-Mode Power Supplies
· Telecom dc-to-dc Converters
·Point-of-Load or Point-of-Use Power Modules
· Low-Cost Push-Pull and Half-Bridge Applications

Pinout

Connection Diagram

Specifications

Supply voltage, V_DD (I_DD < 10 mA) . . . . . . . . . . . . . . . . . . . . . . .  . . .15 V
Supply current, I_DD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA
Sink current (peak): OUTA . . . . . . . . . . . . . . . . . . . .  . . . .  . . . .  . . . 1.0 A
OUTB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . 1.0 A
Source current (peak): OUTA . . . . . . . . . . . . . . . . . . . . . . . . . .  . . −0.5 A
OUTB . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . .  . . . .  . . . .  . . . .  . . −0.5 A
Analog inputs: CTRL . . . . . . . . . . . . . . .  . . . .  . . . .. −0.3 V to V_DD +0.3 V
CS . . . . . . . . . . . . . . . . . . . .  . . −0.3 V to V_DD +0.3 V, not to exceed 6 V
R_SET (minimum) . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . .  . . . . . >5 k
R_T(−100 A < I_RT < 100 A) . . . . . . . . . . . . . . . . . . . . . . −0.3 V to 2.0 V
Power dissipation at T_A = 25 (P package) . . . . . . . . . . .  . . . .  . . . . 1 W
Power dissipation at T_A = 25 (D package) . . . . . . . . . . . . . .  . ..650 mW
Power dissipation at T_A = 25 (PW package) . . . . . . . . . . . . .. . 400 mW
Junction operating temperature, T_J . . . . . . . . . . . . . . . . .  .−55 to 150
Storage temperature, T_stg. . . . . . . . . . . . . . . . . . . . . . . . −65 to 150
Lead temperature (soldering 10 seconds) . . . . . . . . . . . . . . . . . . .. 300

Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. All voltages are with respect to GND. Currents are positive into, and negative out of the specified terminal.

Description

The UCC38083/4/5/6 is a family of BiCMOS pulse width modulation (PWM) controllers for dc-to-dc or off-line fixed-frequency current-mode switching power supplies. The dual output stages are configured for the push-pull topology. Both outputs switch at half the oscillator frequency using a toggle flip-flop. The dead time between the two outputs is typically 110 ns, limiting each output's duty cycle to less than 50%.

The new UCC3808x family is based on the UCC3808A architecture. The major differences include the addition of a programmable slope compensation ramp to the CS signal and the removal of the error amplifier. The current flowing out of the ISET pin through an external resistor is monitored internally to set the magnitude of the slope compensation function. This device also includes an internal discharge transistor from the CS pin to ground, which is activated at each clock cycle after the pulse is terminated. This discharges any filter capacitance on the CS pin during each cycle and helps minimize filter capacitor values and current sense delay.

The UCC38083 and the UCC38084 devices have a typical soft-start interval time of 3.5 ms while the UCC38085 and the UCC38086 has less than 100 s for applications where internal soft-start is not desired.

The UCC38083 and the UCC38085 devices have the turn-on/off thresholds of 12.5 V / 8.3 V, while the UCC38084 and the UCC38086 has the turn-on/off thresholds of 4.3 V / 4.1 V. Each device is offered in 8-pin TSSOP (PW), 8-pin SOIC (D) and 8-pin PDIP (P) packages.

UCC28086

product image

floor Price/Ceiling Price

Price Break

Month Sales

Rating

Payment Methods

Recent History

Description

Customers Who Bought This Item Also Bought

Integrated Circuits (ICs)(111140)

Relays(6300)

Undefined Category(248)

Industrial Controls, Meters(3690)

Programmers, Development Systems(1039)

Optoelectronics(3638)