Texas Instruments UC3526ADW, Dual PWM Controller, 35 V, 650 kHz 18-Pin, SOIC

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1 803,44 kr

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2 254,32 kr

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40 - 4045,086 kr1 803,44 kr
80 - 16042,829 kr1 713,16 kr
200 - 36040,575 kr1 623,00 kr
400 - 96038,321 kr1 532,84 kr
1000 +36,067 kr1 442,68 kr

*vägledande pris

RS-artikelnummer:
922-3445
Tillv. art.nr:
UC3526ADW
Tillverkare / varumärke:
Texas Instruments
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Brand

Texas Instruments

Maximum Switching Frequency

650 kHz

Output Current

100 mA

Number of Outputs

2

Control Method

Voltage

Fall Time

100ns

Mounting Type

Surface Mount

Rise Time

300ns

Package Type

SOIC

Pin Count

18

Topology

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

Dimensions

11.62 x 7.52 x 2.35mm

Maximum Duty Cycle

49%

PWM Controller Type

Voltage Mode

Length

11.62mm

Width

7.52mm

Height

2.35mm

Maximum Operating Supply Voltage

35 V

Maximum Operating Temperature

+70 °C

Minimum Operating Supply Voltage

4.5 V

Minimum Operating Temperature

0 °C

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

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