NCP1404 Ver la hoja de datos (PDF) - ON Semiconductor

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NCP1404

350 mA PWM/PFM Step-Up DC-DC Converter with Low Battery Detector

ON Semiconductor 

VIN

0.8 V to 3.0 V

C1

10 mF

RLB1

RLB2

NCP1404 Series

L 10 mH

SD MBRM110LT1

LBI

1

OUT

2

VDD

3

LX

6

LBO

5

GND

4

TO

MCU

VOUT

3.3 V

C2

10 mF

Figure 1. Typical Step–Up Converter Application

OUT

2

GND

4

ERROR

AMPLIFIER

-

+

DRIVER

PWM/PFM

CONTROLLER

0.5 V

VOLTAGE

REFERENCE

SOFT–START

OSCILLATOR

0.4 V

-

VOLTAGE

+

VDD

REFERENCE

3 VDD

Figure 2. Representative Block Diagram

LX

6

+

-

LBI

1

LBO

5

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