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AZ2842 - (AZ2842 - AZ2845) Current Mode PWM Controller

This page provides the datasheet information for the AZ2842, a member of the AZ2842_ShanghaiSIM (AZ2842 - AZ2845) Current Mode PWM Controller family.

Description

The AZ2842/3/4/5 are high performance fixed frequency current-mode PWM controller series.

These integrated circuits are optimized for off-line and DC-DC converter applications with minimum external components.

Features

  • Robust VREF Line/Load Regulation Low Line Regulation : 4mV Low Load Regulation : 4mV High Stability of Reference Voltage over a Full Temperature Range: 0.2mV/ oC Operating Frequency up to 500KHz High PWM Frequency Stability over a Full Temperature Range: 2.5% High PWM Frequency Stability under a Full Supply Voltage Range: 0.2% Accurate Over-temperature Protection with Hysteresis UVLO with Hysteresis.

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Datasheet preview – AZ2842

Datasheet Details

Part number AZ2842
Manufacturer Shanghai SIM-BCD Semiconductor
File Size 383.83 KB
Description (AZ2842 - AZ2845) Current Mode PWM Controller
Datasheet download datasheet AZ2842 Datasheet
Additional preview pages of the AZ2842 datasheet.

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Other Datasheets by Shanghai SIM-BCD Semiconductor
  • AZ2843 - (AZ2842 - AZ2845) Current Mode PWM Controller
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  • AZ2845 - (AZ2842 - AZ2845) Current Mode PWM Controller
  • AZ2822 - Dual Low Voltage Power Amplifier

Full PDF Text Transcription

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CURRENT MODE PWM CONTROLLER General Description The AZ2842/3/4/5 are high performance fixed frequency current-mode PWM controller series. w w w These integrated circuits are optimized for off-line and DC-DC converter applications with minimum external components. They feature under-voltage lockout (UVLO) circuit with low start-up current, trimmed oscillator for precise duty cycle control, current sense comparator providing maximum current limiting and a totem pole output stage for increasing output current. In addition, these ICs also feature accurate protection against over-temperature, over-current and maximal output power. The AZ2842 and AZ2844 have UVLO thresholds of 15.5V(on) and 10V(off); The corresponding thresholds for AZ2843 and AZ2845 are 8.4 V(on) and 7.8V(off).
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