Texas Instruments UC2526AN, Dual PWM Controller, 35 V, 550 kHz 18-Pin, PDIP

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Subtotal 25 units (supplied in a tube)*

£76.25

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£91.50

(inc. VAT)

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Packaging Options:
RS Stock No.:
661-4995P
Mfr. Part No.:
UC2526AN
Brand:
Texas Instruments
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Brand

Texas Instruments

Maximum Switching Frequency

550 kHz

Output Current

100 mA

Control Method

Voltage

Number of Outputs

2

Mounting Type

Through Hole

Fall Time

100ns

Rise Time

300ns

Package Type

PDIP

Pin Count

18

Topology

Boost, Flyback, Forward, Full Bridge, Half Bridge, Push-Pull

Dimensions

22.48 x 6.35 x 4.57mm

Maximum Duty Cycle

49%

Length

22.48mm

PWM Controller Type

Voltage Mode

Width

6.35mm

Height

4.57mm

Maximum Operating Temperature

+85 °C

Minimum Operating Supply Voltage

4.5 V

Minimum Operating Temperature

-25 °C

Maximum Operating Supply Voltage

35 V

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.

The Texas Instruments UC1526A Series are improved-performance pulse-width modulator circuits intended for direct replacement of equivalent non- \x93A\x94 versions in all applications. Higher frequency operation has been enhanced by several significant improvements including: a more accurate oscillator with less minimum dead time, reduced circuit delays (particularly in current limiting), and an improved output stage with negligible cross-conduction current. Additional improvements include the incorporation of a precision, band-gap reference generator, reduced overall supply current, and the addition of thermal shutdown protection.

Reduced Supply Current
Oscillator Frequency to 600kHz
Precision Band-Gap Reference
7 to 35V Operation
Dual 200mA Source/Sink Outputs
Minimum Output Cross-Conduction
Double-Pulse Suppression Logic
Under-Voltage Lockout
Programmable Soft-Start
Thermal Shutdown
TTL/CMOS Compatible Logic Ports
5 Volt Operation (VIN = VC = VREF = 5.0V)


Flyback Controllers, Texas Instruments


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