Push-Pull电流模式PWM
description
The UCC3808 is a family of BiCMOS push-pull, high-speed, low-power, pulse-width modulators. The UCC3808 contains all of the control and drive circuitry required for off-line or dc-to-dc fixed frequency current-mode switching power supplies with minimal external parts count.
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
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