onsemi NCP1239JD65R2G, PWM Controller, 35 V, 65 kHz 7-Pin, SOIC

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RS-stocknr.:
178-4344
Fabrikantnummer:
NCP1239JD65R2G
Fabrikant:
onsemi
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onsemi

Maximum Switching Frequency

65 kHz

Output Voltage

16 V

Output Current

500 mA, 500 mA

Control Method

Current

Number of Outputs

1

Mounting Type

Surface Mount

Fall Time

30ns

Rise Time

40ns

Package Type

SOIC

Topology

Flyback

Pin Count

7

Maximum Duty Cycle

84%

Dimensions

5 x 4 x 1.5mm

Length

5mm

PWM Controller Type

Current Mode

Width

4mm

Height

1.5mm

Maximum Operating Supply Voltage

35 V

Maximum Operating Temperature

+150 °C

Land van herkomst:
PH
The NCP1239 is a fixed-frequency current-mode controller featuring a high-voltage start-up current source to provide a quick and lossless power-on sequence. This function greatly simplifies the design of the auxiliary supply and the VCC capacitor by activating the internal start-up current source to supply the controller during start-up, transients, latch, stand-by etc. With a supply range up to 35 V, the controller hosts a jittered 65 or 100-kHz switching circuitry operated in peak current mode control.

Fixed-Frequency 65-kHz or 100-kHz Current-Mode Control Operation
Frequency Foldback Down to 26 kHz and Skip Mode to Maximize Performance in Light Load Conditions
Adjustable Over Power Protection (OPP) Circuit
High-Voltage Current Source with Brown-Out (BO) Detection
Internal Slope Compensation
Internal Fixed Soft-Start
Frequency Jittering in Normal and Frequency Foldback Modes
64-ms Timer-Based Short-Circuit Protection with Auto-Recovery or Latched Operation

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