MC33463H Просмотр технического описания (PDF) - Motorola => Freescale

Номер в каталоге

Компоненты Описание

производитель

MC33463H

VARIABLE FREQUENCY MICROPOWER DC–to–DC CONVERTER

Motorola => Freescale 

MC33463

Figure 17. MC33463H–33KT1 Step–Down Application

Startup Circuit

MMBT2222ALT1

1.5 k

BZX84C3V3LT1

3.3 V

47 µH

MMBT2907ALT1

Vin

VO

3.3 V

1.0 k

MBRD0520LT1

100 µF

100

3

Lx

MC33463H–33KT1

VLx Limiter

2

Output

Drive

100 µF

VFM

Controller

100 kHz

Oscillator

Vref

1 Gnd

Test

Line Regulation

Load Regulation

Output Ripple

Efficiency

Conditions

Vin = 5.0 V to 8.0 V, IO = 100 mA

Vin = 5.0 V, IO = 1.0 mA to 100 mA

Vin = 5.0 V, IO = 100 mA

Vin = 5.0 V, IO = 100 mA

Results

18.5 mV = ±0.3%

5.7 mV = ±0.1%

40 mVpp

60.3%

8

MOTOROLA ANALOG IC DEVICE DATA

Share Link: