BD906XX datasheet(21/37 Pages) ROHM

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Datasheet

21/34

BD906xx series

TSZ02201-0T1T0AL00130-1-2

www.rohm.com

TSZ22111・15・001

21.Nov.2014 Rev.004

Application Examples 4

Parameter

Symbol

Specification case

Product Name

BD90640HFP/EFJ-C

Input Voltage

VIN

3.5 V to 18 V

Output Voltage

3.3 V

Output Ripple Voltage

∆VPP

20 mVp-p

Output Current

Min 1.0 A / Typ 1.5 A / Max 2.0A

Switching Frequency

fSW

500 kHz

Operating Temperature

Topr

-40 °C to +125 °C

Specification Example 4

Reference Circuit 4

Parts List 4

Package

Parameters

Part name(series)

Type

Manufacturer

1608

47 kΩ, 1 %, 1 / 10 W

MCR03 series

Chip resistor

ROHM

1608

15 kΩ, 1 %, 1 / 10 W

MCR03 series

Chip resistor

ROHM

1608

10 kΩ, 1 %, 1 / 10 W

MCR03 series

Chip resistor

ROHM

R100

SHORT

RRT

1608

27 kΩ, 1 %, 1 / 10 W

MCR03 series

Chip resistor

ROHM

1608

6800 pF, R, 50 V

GCM series

Ceramic capacitor

MURATA

OPEN

CRT

1608

100 pF, CH, 50 V

GCM series

Ceramic capacitor

MURATA

CIN

3225

4.7 μF, X7R, 50 V

GCM series

Ceramic capacitor

MURATA

3225

22 μF, X7R, 16 V × 2

GCM series

Ceramic capacitor

MURATA

Cbulk

220 μF,35 V × 2

CZ series

Electrolytic capacitor

NICHICON

W 9.7 x H 3.8 x L 10 mm

15 μH

CLF10040T-150M-D

Coil

TDK

CPD

Average I = 6 A Max

RB095BM-40FH

Schottky Diode

ROHM

Tektronix DPO5054

FRA5087

Tektronix DPO5054

VIN=13.2V

Io=1.5A

μs/div

VIN=13.2V

Io=1.5A

VIN=13.2V

Io=1.5A → 2.0A

200

μs/div

Conversion Efficiency

Output Ripple Voltage

Frequency Characteristic

Load Responce

Vo 50mV/div

＠AC

Vo 10mV/div

＠AC

Io 200mA/div

＠DC offset 1.5A

VIN=13.2V

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