Texas Instruments UCC2889N, PWM Voltage Mode Controller, 250 kHz 8-Pin, PDIP

Product overview and Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

Flyback Controller, Voltage Control, Texas Instruments

The isolated-flyback power supply controller provides Constant-Voltage (CV) and Constant-Current (CC) output regulation to improve transient response to large load steps. Primary-Side Regulation (PSR) eliminates the need for an Optocoupler.

Flyback Controllers, Texas Instruments

Current-Mode and Voltage-Mode PWM Controller
Primary-Side Regulation
Peak Power Mode
Low Power

Specifications
Attribute Value
Number of PWM Outputs 1
Control Method Voltage
Topology Flyback
Rise Time 35ns
Fall Time 30ns
Maximum Switching Frequency 250 kHz
Mounting Type Through Hole
Package Type PDIP
Pin Count 8
Maximum Duty Cycle 55%
Output Voltage 18 V
Height 4.57mm
Length 9.81mm
Dimensions 9.81 x 6.35 x 4.57mm
Typical Operating Supply Voltage 9 V
Width 6.35mm
85 In stock for delivery within 3 working days
Price Each (In a Pack of 5)
HK$ 23.648
(exc. GST)
units
Per unit
Per Pack*
5 - 20
HK$23.648
HK$118.24
25 - 45
HK$21.428
HK$107.14
50 - 245
HK$17.228
HK$86.14
250 - 495
HK$17.062
HK$85.31
500 +
HK$14.16
HK$70.80
*price indicative
Due to temporarily constrained supply, RS is unable to accept backorders at this time
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