UCC3808-1 - 低功耗电流模式推拉 PWM

UCC3808-1是TI德州仪器公司的一款PWM与谐振控制器产品，UCC3808-1是低功耗电流模式推拉 PWM，本站介绍了UCC3808-1的封装应用图解、特点和优点、功能等，并给出了与UCC3808-1相关的TI元器件型号供参考。

UCC3808-1 - 低功耗电流模式推拉 PWM - PWM与谐振控制器 - 离线隔离型DC/DC控制器和转换器 - 德州仪器

产品特性

Dual Output Drive Stages in Push-Pull Configuration
130-μA Typical Starting Current
1-mA Typical Run Current
Operation to 1-MHz
Internal Soft-Start
On-Chip Error Amplifier With 2-MHz Gain Bandwidth Product
On-Chip VDD Clamping
Output Drive Stages Capable Of 500-mA Peak Source Current, 1-A Peak Sink Current

产品应用

Server and Desktop Power Supplies
Telecom Power Supplies
DC-DC Converters
Switched-Mode Power Supplies

产品说明

The UCCx808-x is a family of BiCMOS push-pull, high-speed, low-power, pulse-width modulators. The UCCx808 contains all of the control and drive circuitry required for offline or DC-to-DC fixed frequency current-mode switching power supplies with minimal external parts count.

The UCCx808-x dual output drive stages are arranged in a push-pull configuration. Both outputs switch at half the oscillator frequency using a toggle flip-flop. The dead time between the two outputs is typically 60 ns to 200 ns depending on the values of the timing capacitor and resistors, thus limiting each output stage duty cycle to less than 50%.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
UCC2808-1 UCC2808-2 UCC3808-1 UCC3808-2	SOIC (8)	4.90 mm × 3.91 mm
UCC2808-1 UCC2808-2 UCC3808-1 UCC3808-2	PDIP (8)	9.81 mm × 6.35 mm

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