NCP1501DMR2 datasheet(4/14 Pages) ONSEMI

Part #	NCP1501DMR2

Description	Dual Mode PWM/Linear Buck Converter

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Manufacturer	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

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NCP1501

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4

Figure 2. Typical Circuit with the Internal Schematic

SHD

−

+

−

+

−

Reference

SoftStart

Thermal

Sync

Detection

and

Timing

Block

Output

Voltage

Program

MUX

−

Shutdown

Linear

Control

Block

Q

S

R

SYN

CB0

CB1

Output

Voltage

VO

LX

VCC

Input

Out

Slope

Compensation

+

Mode Select

Vref + 5%

Vref

Error

Amplifier

OVP

Comparator

PWM

Comparator

PWM

ILimit

Out

C2

Ground

Voltage

C1

Component

Value

Manufacturer

C1, C2

10

mF, 6.3 V

L

TDK, LLF4017−100 (Iout = 300 mA)

Coilcraft, LPO4812−103MX (Iout = 300 mA)

Coilcraft, 0805PS−103M (Iout = 150 mA)

TDK, NLC252018T−100 (Iout = 100 mA)

TDK, C2012X5R0J106M (0805 size)

10

mH

L

Q

−

+

−

+

−

+

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NCP1501DMR2 Datasheet(PDF) 4 Page - ON Semiconductor

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