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Model UC2844D
Description UC18/UC28/UC38 Series, Texas Instruments isolated flyback power controller provides constant voltage (CV) and constant current (CC) output regulation to improve instantaneous response to larger load steps. Primary side regulation (PSR) does not require an optocoupler. ###Flyback controller, Texas Instruments current mode and voltage mode PWM controller, primary side regulation peak power mode low power
Product QR code
Brand: TI
Packaging SOIC-14
Delivery time
Packaging method Tube
Standard packaging quantity 1
4.68  yuan 4.68yuan
5+:
$ 6.3194
25+:
$ 5.8513
50+:
$ 5.5236
100+:
$ 5.3832
500+:
$ 5.2895
2500+:
$ 5.1725
5000+:
$ 5.1257
10000+:
$ 5.0555
Quantity
5+
25+
50+
100+
500+
Price
$6.3194
$5.8513
$5.5236
$5.3832
$5.2895
Price $ 6.3194 $ 5.8513 $ 5.5236 $ 5.3832 $ 5.2895
Start batch production 5+ 25+ 50+ 100+ 500+
Check the distribution price
  • Freight charges：   In stock Freight rate：$13.00
  • Quantity： Inventory(3085) Minimum order quantity(5)
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Technical parameters/frequency: 450 kHz

Technical parameters/power supply voltage (DC): 12.0V (min)

Technical parameters/number of output interfaces: 1

Technical parameters/Input voltage (DC): 25.0 V

Technical parameters/output voltage: 4.95V ~ 5.05V

Technical parameters/output current: 1 A

Technical parameters/power supply current: 25 mA

Technical parameters/adjusted output number: 1

Technical parameters/rise time: 50 ns

Technical parameters/switching frequency: 500 kHz

Technical parameters/topology structure: Boost, Flyback, Forward

Technical parameters/duty cycle: 48 %

Technical parameters/maximum duty cycle: 50 %

Technical parameters/descent time: 50 ns

Technical parameters/operating temperature (Max): 85 ℃

Technical parameters/operating temperature (Min): -40 ℃

Technical parameters/power supply voltage: 10V ~ 30V

Technical parameters/input voltage: 11V ~ 30V

Encapsulation parameters/installation method: Surface Mount

Package parameters/number of pins: 14

Encapsulation parameters/Encapsulation: SOIC-14

External dimensions/length: 8.65 mm

External dimensions/width: 3.91 mm

External dimensions/height: 1.58 mm

External dimensions/packaging: SOIC-14

Physical parameters/operating temperature: -40℃ ~ 85℃

Other/Product Lifecycle: Active

Other/Packaging Methods: Tube

Compliant with standards/RoHS standards: RoHS Compliant

Compliant with standards/lead standards: Lead Free

Customs information/ECCN code: EAR99

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Alternative material

Model Brand Similarity Encapsulation Introduction Data manual
UC2842D UC2842D TI 类似代替 SOIC-14
UC18/UC28/UC38 系列，Texas Instruments 隔离式回扫电源控制器提供恒定电压 (CV) 和恒定电流 (CC) 输出调节，用于提高对较大负载阶跃的瞬时响应。 初级侧调节 (PSR) 无需光耦合器。 ### 回扫控制器，Texas Instruments 电流模式和电压模式 PWM 控制器 初级侧调节 峰值功率模式 低功率
UC2844DTR UC2844DTR TI 类似代替 SOIC-14
电流模式PWM控制器 CURRENT MODE PWM CONTROLLER
UC3844D UC3844D Fairchild 类似代替 SOIC-14
TEXAS INSTRUMENTS UC3844D 电流模式控制器, PWM, 25V-12V电源, 500 kHz, 13.5V/200A输出, SOIC-14
PDF
UC3844D UC3844D TI 类似代替 SOIC-14
TEXAS INSTRUMENTS UC3844D 电流模式控制器, PWM, 25V-12V电源, 500 kHz, 13.5V/200A输出, SOIC-14

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