RT9055 データシートの表示（PDF） - Richtek Technology
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RT9055 Datasheet PDF : 9 Pages
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RT9055
Absolute Maximum Ratings (Note 1)
z Supply Input Voltage, VIN ----------------------------------------------------------------------------------------------- −0.3V to 6V
z Other I/O Pins Voltages ------------------------------------------------------------------------------------------------- −0.3V to 6V
z Power Dissipation, PD @ TA = 25°C
WL-CSP-6B 0.8x1.2 ------------------------------------------------------------------------------------------------------ 0.670W
z Package Thermal Resistance (Note 2)
WL-CSP-6B 0.8x1.2, θJA ------------------------------------------------------------------------------------------------ 148°C/W
z Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260°C
z Junction Temperature ----------------------------------------------------------------------------------------------------- 150°C
z Storage Temperature Range -------------------------------------------------------------------------------------------- −65°C to 150°C
z ESD Susceptibility (Note 3)
HBM (Human Body Model) ---------------------------------------------------------------------------------------------- 2kV
MM (Machine Model) ----------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 4)
z Supply Input Voltage, VIN ----------------------------------------------------------------------------------------------- 1.5V 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 + 1V, CIN = COUT = 1μF, TA = −40°C to 85°C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Input Power Supply
Dropout Voltage (Note 5) VDROP
VOUT = 1.2V to 1.4V, IOUT = 300mA
VOUT = 1.5V to 2.4V, IOUT = 300mA
50
-- 550
40
-- 400 mV
VOUT = 2.5V to 3.5V, IOUT = 300mA
20
-- 300
Output Voltage Range
VOUT
0.9
--
3.5
V
VOUT Accuracy
ΔV
IOUT = 1mA to 300mA
−2
--
2
%
Line Regulation
ΔVLINE
VIN = (VOUT + 1) to 5.5V, IOUT = 1mA
−2
--
2
%
Load Regulation
ΔVLOAD 1mA < IOUT < 300mA
−1.5 --
1.5 %
Current Limit
ILIM
RLOAD = 0Ω
350 600
--
mA
Quiescent Current
IQ
VEN > 1.5V
--
58
--
μA
Shutdown Current
EN Input
Threshold
Voltage
Logic-High
Logic-Low
VOUT Discharge Resistance
in Shutdown (Note 6)
ISHDN
VIH
VIL
VEN < 0.4V
VIN = 2.5V to 5.5V, Power On
VIN = 2.5V to 5.5V, Shutdown
VIN = 5V, EN1 = EN2 = GND
--
--
1
μA
1.2
--
--
V
--
--
0.4
--
3
--
kΩ
EN Pull Low Current
IEN
8
13 18 μA
Thermal Shutdown
Thermal Shutdown
Hysteresis
TSD
ΔTSD
-- 170 --
°C
--
40
--
°C
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
DS9055-00 March 2012
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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