LXDC55FAAA-203 Просмотр технического описания (PDF) - Murata Manufacturing

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LXDC55FAAA-203

Micro DCDC converter

Murata Manufacturing 

LXDC55FAAA-203

Micro DCDC converter

3. Electrical Specification

3-1 Absolute maximum ratings

Parameter

Maximum power supply voltage

Maximum EN pin voltage

Maximum PG pin voltage

Maximum FB pin voltage

Operating temperature

Storage temperature

symbol

Vin

VEN

VPG

VFB

TOP

TSTR

rating

Unit

16

V

Vin

V

6

V

6

V

-40 to +85

oC

-40 to +85

oC

3-2 Electrical characteristics (Ta=25℃)

Parameter

Symbol

Condition

Input voltage

Vin

Output voltage range

UVLO

Output voltage

accuracy

Load current range

Over current protection

Ripple voltage

Efficiency

EN control voltage

Power good threshold

Power good

sink current

External output

capacitor(*1)

Vout

UVLO

Vacc

Iout

OCP

Vrpl

EFF

VENH

VENL

PGTHH

PGTHL

IPG

Cout

Vin Falling

Hysteresis

PWM mode

Auto-recovery

Vin=12.0V, RFB=1.31kohm,

(Vout=3.3V)

Iout=1000mA, BW=100MHz

Vin=12.0V, RFB=1.31kohm,

(Vout=3.3V)

Iout=1000mA, BW=100MHz

ON ; Enable

OFF ; Disable

Output voltage rising

Output voltage falling

Min. Typ. Max. Unit

4

14

V

0.8

5.3

V

2.6

2.7

2.8

V

200

mV

-3.0

+3.0

%

0

1500

1500 mA

3500 mA

20

mV

87

%

0.9

Vin

V

0

0.3

V

95

%

90

%

2

mA

22

150

uF

(*1) External capacitors (Cout≧22uF) shall be placed near the module in order to proper operation.

(*2)The above characteristics are tested using the application circuit on section 4.

3

Dec.’2012

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