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Datasheet NCP1200 (ON Semiconductor) - 2

ПроизводительON Semiconductor
ОписаниеPWM Current-Mode Controller for Low-Power Universal Off-Line Supplies
Страниц / Страница16 / 2 — NCP1200. Figure 1. Typical Application. PIN FUNCTION DESCRIPTION. Pin No. …
Формат / Размер файлаPDF / 288 Кб
Язык документаанглийский

NCP1200. Figure 1. Typical Application. PIN FUNCTION DESCRIPTION. Pin No. Pin Name. Function. Description. www.onsemi.com

NCP1200 Figure 1 Typical Application PIN FUNCTION DESCRIPTION Pin No Pin Name Function Description www.onsemi.com

Выбираем схему BMS для заряда литий-железофосфатных (LiFePO4) аккумуляторов

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NCP1200
* 6.5 V @ 600 mA C3 + D2 + 10 mF 1 HV C2 Adj 8 1N5819 400 V 470 mF/10 V 2 FB NC 7 3 CS VCC 6 M1 Rf 4 GND Drv 5 MTD1N60E 470 EMI Filter + C5 Rsense 10 mF D8 Universal Input 5 V1 *Please refer to the application information section
Figure 1. Typical Application PIN FUNCTION DESCRIPTION
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
Pin No. Pin Name Function Description
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 1 Adj Adjust the Skipping Peak Current This pin lets you adjust the level at which the cycle skipping process takes ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁ place. ÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 2 FB Sets the Peak Current Setpoint By connecting an Optocoupler to this pin, the peak current setpoint is adjus- ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁ ted accordingly to the output power demand. ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 3 ÁÁÁÁ CS ÁÁÁÁÁÁÁÁÁ Current Sense Input This pin senses the primary current and routes it to the internal comparator via an L.E.B. ÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ 4 GND The IC Ground ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁ 5 Drv Driving Pulses The driver’s output to an external MOSFET. ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁ 6 VCC Supplies the IC This pin is connected to an external bulk capacitor of typically 10 mF. ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁ 7 NC No Connection This un−connected pin ensures adequate creepage distance. ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁ 8 HV Generates the VCC from the Line Connected to the high−voltage rail, this pin injects a constant current into ÁÁÁÁ ÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁ the VCC bulk capacitor. ÁÁÁÁ ÁÁÁÁ ÁÁÁÁÁÁÁÁÁ ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
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