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Rp12.000

IC SMD CONTROLLER NCP1251A - NCP1251 - 1251 ORIGINAL

Rp12.000
  • Kondisi: Baru
  • Min. Pemesanan: 1 Buah
  • Etalase: komponen IC
NCP1251 5ARX 5A2 5AA 5A2RZV 5AAXRN 5AAREI 5A2RCL 5A2RX0 5A2RDA 5A2RWN Ic smd ini sering digunakan untuk regulator tv lcd/led model terbaru, seperti: LC-19LE150 LC-19LE155 LC-24LE100 LC-24LE107 LC-24LE150 LC-24LE155 LC-32LE100 LC-32LE107 LC-32LE185 LC-32LE175 LC-32LE150 LC-32LE155 LC-32LE260 LC-32LE265 LC-40LE840 Sebagai Controller berbentuk chip kecil dengan kemampuan yang besar. Suport untuk berbagai merek tv Mohon diskusikan sebelum memesan produk Current-Mode PWM Controller for Off-line Power Supplies The NCP1251 is a highly integrated PWM controller capable of delivering a rugged and high performance offline power supply in a tiny TSOP6 package. With a supply range up to 28 V, the controller hosts a jittered 65 kHz or 100 kHz switching circuitry operated in peak current mode control. When the power on the secondary side starts to decrease, the controller automatically folds back its switching frequency down to a minimum level of 26 kHz. As the power further goes down, the part enters skip cycle while limiting the peak current. Over Power Protection (OPP) is a difficult exercise especially when noload standby requirements drive the converter specifications. The ON proprietary integrated OPP lets you harness the maximum delivered power without affecting your standby performance simply via two external resistors. A latched Over Voltage Protection (OVP) is combined on the same pin. For ease of implementation, a latched OVP also monitors the VCC line. They offer an efficient protection in case of optocoupler destruction or adverse open loop operation. Finally, a timerbased shortcircuit protection offers the best protection scheme, letting you precisely select the protection trip point irrespective of a loose coupling between the auxiliary and the power windings.

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