LXDC55FAAA-203 데이터 시트보기 (PDF) - Murata Manufacturing
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LXDC55FAAA-203 Datasheet PDF : 9 Pages
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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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