Mitsubishi M62220L, M62220FP Datasheet

GENERAL DESCRIPTION

MITSUBISHI <Dig./Ana. INTERFACE>

M62220L/FP

3.3V FIXED OUTPUT VOLTAGE DC-DC CONVERTER

The M62220 is a general purpose DC-DC converter which
provides a 3.3V fixed output voltage.
It is possible to simplify the peripheral circuit and to design compact
and low cost sets because this IC, housed in a small 5- or 8-pin
package includes necessary peripheral components.
Especially this is most suitable for CD-ROM, Disk Drive sets and
PDA as a converter from 5V to 3.3V .

FEATURES

· Wide operation supply voltage range ·········· 4 to 15V

· Low power consumption ·········· 900µA(max.)

· Built-in oscillator without external components (110kHz typ.)

· Built-in over current protection circuit

· Small size 5-pin SIP and 8-pin SOP packages

APPLICATIONS

CD-ROM, PDA, general purpose electric products

PIN CONFIGURATION (TOP VIEW)

IN

5
4

VCC

3

CLM

2

GND
COLLECTOR

1

M62220FP

8
7
6
5

NC
NC
NC

COLLECTOR

GND
CLM
VCC IN

M62220L

Outline 5P5T

1
2
3
4

Outline 8P2S-A

NC: NO CONNECTION

BLOCK DIAGRAM

IN

5

OP Amp

1.25V

VCC

OSC

(110KHz)

OVER CURRENT
DETECTION RESISTOR

CLM

34

CURRENT LIMIT
CIRCUIT

PWM Comp

2

GND

1

Collector

OUT

( 1 / 3 )

April. 1997

MITSUBISHI <Dig./Ana. INTERFACE>

M62220L/FP

3.3V FIXED OUTPUT VOLTAGE DC-DC CONVERTER

ABSOLUTE MAXIMUM RATINGS (Ta=25°C, unless otherwise noted)

Symbol Parameter Conditions Ratings Unit

Vcc

Io

Pd

KTHETA

Topr
Tstg

Supply voltage
Output current

Power dissipation

Thermal derating

Operating temperature
Storage temperature

Ta=25°C

Ta=25°C

5-pin SIP
8-pin SOP

5-pin SIP
8-pin SOP

16
100 mA
450 mW

4.5

4.4

-20 to +85

-40 to +125

ELECTRICAL CHARACTERISTICS (Ta=25°C, Vcc=5V, unless otherwise noted)

Block Symbol

All

block

Error
Amp.

Oscillator

CLM

Output

Vcc Supply voltage

Icc

Vo

Vreg-L

Iin

fosc

TDUTY

VTHCLM

ICL

Vsat

Parameter

Supply current
Output voltage
REF line regulation
IN input current
Oscillator frequency 110
Maximum on duty
Current limit voltage 150 mV
Output leakage current
Output saturation voltage

Test Conditions

Without load

Vcc = 4 to 12V

Vcc - CLM
Vcc = 12V, Vc = 12V

Io = 100mA

Min. Typ. Max.

4.0

-

-

65

120 180

-1 1

-

Limits

15

660

3.303.15 3.45
5

100

90

-

0.4 0.7

900

15
300
155

V

mW440

mW/°C
mW/°C

°C
°C

Unit

V

µA

V
mV
µA

KHz

%

µA

V

April. 1997( 2 / 3 )