PJ3845B Datasheet - Promax-Johnton Semiconductor

PJ3845B (PJ3844B / PJ3845B) High Performance Current Mode Controller

Pin No. 1 2 3 4 5 6 7 8 Function Compensation Voltage Feedback Current Sense RT/CT Gnd Output Vcc Vref Description This pin is the Error Amplifier output and is made available for loop compensation This is the inverting input of the Error Amplifier. It is normally connected to the switching power su.

T PJ3844B / PJ3845B High Performance Current Mode Controller he PJ3844B , PJ3845 series are high performance fixed frequency current mode controllers. This is specifically cycle-by-cycle current limiting , programmable output deadtime, and a latch for single pulse metering. Allowing output deadtimes to be programmed from 50% to 70%. This device is available in 8-pin dual-in-line plastic packages as well as the 8-pin plastic surface mount (SOP-8). The SOP-8 package has separate power and ground .

PJ3845B Features

* consisting of input and reference undervoltage lockouts each with hysteresis, FEATURES y Trimmed Oscillator Discharge Current for Precise Duty Cycle Control y Current Mode Operation to 500KHz y Automatic Feed Forward Compensation y Latching PWM for Cycle-By-Cycle Current Limiting y Internally Trimm

PJ3845B Datasheet (840.02 KB)

PJ3845B Datasheet Preview — Preview of PJ3845B PDF

Datasheet Details

Part number:

PJ3845B

Manufacturer:

Promax-JohntON Semiconductor ↗

File Size:

840.02 KB

Description:

(pj3844b / pj3845b) high performance current mode controller.

📁 Related Datasheet

PJ3842B High Performance Current Mode Controller (ETC)

PJ3842B (PJ3842B / PJ3843B) High Performance Current Mode Controller (Promax-Johnton Semiconductor)

PJ3843B (PJ3842B / PJ3843B) High Performance Current Mode Controller (Promax-Johnton Semiconductor)

PJ3844B (PJ3844B / PJ3845B) High Performance Current Mode Controller (Promax-Johnton Semiconductor)

PJ3800 Low Voltage Switching Regulator Controller (Promax-Johnton Semiconductor)

PJ386 Low Voltage Audio Power Amplifier (Promax-Johnton Semiconductor)

PJ30210 3.5mm PHONE JACK (HUAI YANG)

PJ31002 Tone Ringer (Promax)

PJ317 3-Terminal Adjustable Output Positive Voltage Regulator (PJ)

PJ32 Silicon Junction Field-Effect Transistor General Purpose Amplifier (InterFET)

TAGS

PJ3845B PJ3844B PJ3845B High Performance Current Mode Controller Promax-Johnton Semiconductor

Image Gallery

PJ3845B Distributor