RT9012 查看數據表（PDF） - Richtek Technology
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RT9012 Datasheet PDF : 11 Pages
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RT9012
Preliminary
Absolute Maximum Ratings (Note 1)
z Supply Input Voltage ------------------------------------------------------------------------------------------------------ 6V
z Other I/O Pin Voltages --------------------------------------------------------------------------------------------------- 6V
z Power Dissipation, PD @ TA = 25°C
WDFN-8L 2x2 -------------------------------------------------------------------------------------------------------------- 0.606W
z Package Thermal Resistance (Note 4)
WDFN-8L 2x2, θJA --------------------------------------------------------------------------------------------------------- 165°C/W
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 Input Voltage ------------------------------------------------------------------------------------------------------ 2.5V to 5.5V
z Enable Input Voltage ------------------------------------------------------------------------------------------------------ 0V to 5.5V
z Operation Junction Temperature Range ------------------------------------------------------------------------------ −40°C to 125°C
z Operation Ambient Temperature Range ------------------------------------------------------------------------------ 0°C to 85°C
Electrical Characteristics
(VIN = VOUT + 1V, VEN = VIN, CIN = COUT = 1μF, TA = 25°C, unless otherwise specified.)
Parameter
Symbol
Test Conditions
Min
Input Voltage
Dropout Voltage (Note 5)
Output voltage range
VOUT Accuracy
Line Regulation
Load Regulation
VIN
VIN = 2.5V to 5.5V
2.5
IOUT = 150mA
--
VDROP
IOUT = 300mA
--
VOUT
1.2
ΔV
IOUT = 1mA
-2
ΔVLINE
VIN = (VOUT + 0.3V) to 5.5V or
VIN > 2.5V, whichever is larger
--
ΔVLOAD 1mA < IOUT< 300mA
--
Current Limit
RLOAD = 1Ω
330
Quiescent Current
IQ
VEN > 1.5V
--
Shutdown Current
EN Threshold
Output Voltage TC
IQ_SD VEN < 0.4V
--
VIH
VIN = 2.5V to 5.5V, Power On
1.5
VIL
VIN = 2.5V to 5.5V, Shutdown
--
--
Thermal Shutdown
TSD
--
Thermal Shutdown Hysteresis ΔTSD
--
Typ Max Units
--
5.5
V
120 --
mV
240 --
mV
--
3.6
V
--
+2
%
--
0.2 %/V
--
0.6
%
450 700 mA
58
80
μA
--
1
μA
--
--
V
--
0.4
100 -- ppm/°C
170 --
°C
40
--
°C
To be continued
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4
DS9012-06 August 2007
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