Datasheet

LXDC55KAAA-205
Micro DC-DC converter
4
Dec 2014
6-2 Electrical characteristics (Ta=25℃)
Parameter Symbol Condition Min. Typ. Max. Unit
Input voltage Vin 2.7 5.5 V
Output voltage range Vout 0.8 3.6 V
UVLO UVLO
Vin Falling 2.1 2.2 2.3 V
hysteresis 200 mV
Standby current IinOFF Vin=5V,EN=0.4V 2 6 uA
Quiescent current Iin0
Vin=5V, RFB=576Ω
(Vout=3.3V) Iout=0A
320 420 uA
Output voltage
accuracy
Vacc PWM mode -2.5 +2.5 %
Load current range Iout 0 3000 mA
Over current protection OCP Auto-recovery 3000 5500 mA
Ripple voltage Vrpl
Vin=5V, RFB=576ohm,
(Vout=3.3V)
Iout=1500mA, BW=100MHz
20 mV
Efficiency EFF
Vin=5V, RFB=576ohm,
(Vout=3.3V)
Iout=1500mA, BW=100MHz
93 %
EN control voltage
VENH ON ; Enable 1.0 Vin V
VENL OFF ; Disable 0 0.4 V
Switching frequency fosc
Vin=5V, RFB=576Ω
(Vout=3.3V) Iout=1500mA
2.0 MHｚ
Power good threshold
PGTHH Output voltage rising 95 %
PGTHL Output voltage falling 90 %
Power good
sink current
IPG 1 mA
External output
capacitor(*1)
Cout 22 150 uF
・(*1) External capacitors (Cout>22uF) shall be placed near the module in order to proper operation.
・The above characteristics are tested using the application circuit on section 8.