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RT8009-18PB Datasheet(PDF) 4 Page - Richtek Technology Corporation

Part # RT8009-18PB
Description  1.25MHz, 600mA, High Efficiency PWM Step-Down DC/DC Converter
Download  13 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT8009-18PB Datasheet(HTML) 4 Page - Richtek Technology Corporation

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RT8009
4
DS8009-03 March 2007
www.richtek.com
Absolute Maximum Ratings (Note 1)
Supply Input Voltage ------------------------------------------------------------------------------------------------------ 6.5V
Enable, FB Voltage ------------------------------------------------------------------------------------------------------- VIN + 0.6V
Power Dissipation, PD @ TA = 25°C
SOT-23-5, TSOT-23-5 ----------------------------------------------------------------------------------------------------- 0.4W
Package Thermal Resistance (Note 4)
SOT-23-5, TSOT-23-5,
θJA ----------------------------------------------------------------------------------------------- 250°C/W
SOT-23-5, TSOT-23-5,
θJC----------------------------------------------------------------------------------------------- 130°C/W
Junction Temperature Range -------------------------------------------------------------------------------------------- 150
°C
Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260
°C
Storage Temperature Range --------------------------------------------------------------------------------------------
65°C to 150°C
ESD Susceptibility (Note 2)
HBM (Human Body Mode) ---------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ------------------------------------------------------------------------------------------------------ 200V
Electrical Characteristics
(VIN = 3.6V, VOUT = 2.5V, VREF = 0.5V, L = 4.7
μH, CIN = 4.7μF, COUT = 10μF, TA = 25°C, IMAX = 600mA unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
T yp
Max
Units
Input Voltage Range
VIN
2.5
--
5.5
V
Quiescent Current
IQ
IOUT = 0mA, VFB = VREF + 5%
--
50
100
μA
Shutdown Current
ISHDN
EN = GND
--
0.1
1
μA
Reference Voltage
VREF
For adjustable output voltage
0.49
0.5
0.51
V
Adjustable Output Range
VOUT
VREF
--
VIN − 0.2
V
Output Voltage
Accuracy
Fix
ΔVOUT
VIN = 2.5 to 5.5V, VOUT = 1.0V
0A < IOUT < 600mA
−3
--
+3
%
ΔVOUT
VIN = 2.5 to 5.5V, VOUT = 1.2V
0A < IOUT < 600mA
−3
--
+3
%
ΔVOUT
VIN = 2.5 to 5.5V, VOUT = 1.5V
0A < IOUT < 600mA
−3
--
+3
%
ΔVOUT
VIN = 2.5 to 5.5V, VOUT = 1.8V
0A < IOUT < 600mA
−3
--
+3
%
ΔVOUT
VIN = VOUT + ΔV to 5.5V
(Note 5)
VOUT = 2.5V, 0A < IOUT < 600mA
−3
--
+3
%
ΔVOUT
VIN = VOUT + ΔV to 5.5V
(Note 5)
VOUT = 3.3V, 0A < IOUT < 600mA
−3
--
+3
%
ΔVOUT
VIN = VOUT + 0.2V to 5.5V
0A < IOUT < 600mA
3
--
+3
%
To be continued
Recommended Operating Conditions
(Note 3)
Supply Input Voltage ------------------------------------------------------------------------------------------------------ 2.5V to 5.5V
Junction Temperature Range --------------------------------------------------------------------------------------------
−40°C to 125°C
Ambient Temperature Range --------------------------------------------------------------------------------------------
40°C to 85°C


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