NCP1218 Просмотр технического описания (PDF) - ON Semiconductor

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NCP1218

PWM Controller with Adjustable Skip Level and External Latch Input

ON Semiconductor 

NCP1218

However, if the fault lasts for more than 350 ms, then the

driver latches off and the device remains in VCC hiccup

mode described earlier.

4.8 V

The NCP1218 also has an internal temperature shutdown

circuit. If the junction temperature of the controller reaches

155°C (typical), the driver turns off and the controller

enters double hiccup mode.

V FB

FB

VFB

3

+

VSS −

Soft−start

1 V max

tOVLD

delay

Fault

disable Drv

Figure 42. Block Diagram of Timer−Based Fault

Detection

Table 5. ORDERING INFORMATION

Device

Frequency

Package

Shipping†

NCP1218AD65R2G

65 kHz

SOIC−7 (Pb−Free)

2500 / Tape & Reel

†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging

Specifications Brochure, BRD8011/D.

http://onsemi.com

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