RT9018A/B Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT9018A/B Datasheet PDF : 12 Pages
| |||
RT9018A/B
Absolute Maximum Ratings (Note 1)
z Supply Voltage, VIN --------------------------------------------------------------------------------------------------- 1V to 6V
z Control Voltage, VDD -------------------------------------------------------------------------------------------------- 3V to 6V
z Output Voltage, VOUT ------------------------------------------------------------------------------------------------- 0.8 to 6V
z Power Dissipation, PD @ TA = 25°C
SOP-8 (Exposed Pad) ----------------------------------------------------------------------------------------------- 1.33W
WDFN-10L 3x3 --------------------------------------------------------------------------------------------------------- 1.67W
z Package Thermal Resistance (Note 4)
SOP-8 (Exposed Pad), θJA ------------------------------------------------------------------------------------------ 75°C/W
SOP-8 (Exposed Pad), θJC ----------------------------------------------------------------------------------------- 15°C/W
WDFN-10L 3x3, θJA --------------------------------------------------------------------------------------------------- 60°C/W
z Junction Temperature ------------------------------------------------------------------------------------------------- 150°C
z Lead Temperature (Soldering, 10 sec.) --------------------------------------------------------------------------- 260°C
z Storage Temperature Range ---------------------------------------------------------------------------------------- −65°C to 150°C
z ESD Susceptibility (Note 2)
HBM (Human Body Mode) ------------------------------------------------------------------------------------------ 2kV
MM (Machine Mode) -------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 3)
z Supply Voltage, VIN --------------------------------------------------------------------------------------------------- 1.4V to 5.5V
z Control Voltage, VDD -------------------------------------------------------------------------------------------------- 3.6V to 5.5V
z Junction Temperature Range ---------------------------------------------------------------------------------------- −40°C to 125°C
z Ambient Temperature Range ---------------------------------------------------------------------------------------- −40°C to 85°C
Electrical Characteristics
(VIN = VOUT + 500mV, VEN = VDD = 5V, CIN = COUT = 10uF, TA = TJ = 25°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ
Max Units
VDD Operation Voltage Range
VDD
POR Threshold
POR Hysteresis
Adjustable Pin Threshold
VTH_ADJ
Reference Voltage (ADJ Pin Voltage) VADJ
Fixed Output Voltage Range
ΔVOUT
Line Regulation (VIN)
ΔVLINE_IN
Load Regulation (Note 7)
ΔVLOAD
Dropout Voltage (Note 5)
Quiescent Current (Note 6)
Current Limit
Short Circuit Current
In-rush Current
VOUT Pull Low Resistance
VDROP
IQ
ILIM
VDD Input Range
3.6
2.4
0.15
IOUT = 1mA
IOUT = 1mA
VIN = VOUT + 0.5V to 5V,
IOUT = 1mA
VIN = VOUT + 1V,
IOUT = 1mA to 3A
IOUT = 2A
IOUT = 3A
VDD = 5.5V
--
0.788
−1.5
--
--
--
--
--
3.2
VOUT < 0.2V
0.5
COUT = 10uF, Enable Start-up --
VEN = 0V
--
-- 5.5 V
2.7 3
V
0.2 --
V
0.2 0.4 V
0.8 0.812 V
0 +1.5 %
0.2 0.6 %
0.2 1
%
150 250 mV
210 350 mV
0.6 1.2 mA
4.5 --
A
1.8 --
A
0.6 --
A
150 --
Ω
To be continued
DS9018A/B-04 September 2007
www.richtek.com
3
Share Link: 