RT8008-18QB Просмотр технического описания (PDF) - Richtek Technology
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RT8008-18QB Datasheet PDF : 14 Pages
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RT8008
Absolute Maximum Ratings (Note 1)
l Supply Input Voltage ---------------------------------------------------------------------------------------------------- 6.5V
l Enable, FB Voltage ------------------------------------------------------------------------------------------------------ VIN + 0.6V
l Power Dissipation, PD @ TA = 25°C
SOT-23-5, TSOT-23-5 --------------------------------------------------------------------------------------------------- 0.4W
l 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
l Junction Temperature Range ------------------------------------------------------------------------------------------ 150°C
l Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------ 260°C
l Storage Temperature Range ------------------------------------------------------------------------------------------- −65°C to 150°C
l ESD Susceptibility (Note 2)
HBM (Human Body Mode) --------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ---------------------------------------------------------------------------------------------------- 200V
Recommended Operating Conditions (Note 3)
l Supply Input Voltage ---------------------------------------------------------------------------------------------------- 2.5V to 5.5V
l Junction Temperature Range ------------------------------------------------------------------------------------------ −40°C to 125°C
l Ambient Temperature Range ------------------------------------------------------------------------------------------ −40°C to 85°C
Electrical Characteristics
(VIN = 3.6V, VOUT = 2.5V, VREF = 0.6V, L = 2.2µH, CIN = 4.7µF, COUT = 10µF, TA = 25°C, IMAX = 600mA unless otherwise specified)
Parameter Symbol
Test Conditions
Min Typ Max Units
Input Voltage Range
Quiescent Current
Shutdown Current
Reference Voltage
Adjustable Output Range
VIN
IQ
ISHDN
VREF
VOUT
∆VOUT
∆VOUT
Fix
Output Voltage
Accuracy
∆VOUT
∆VOUT
∆VOUT
∆VOUT
Adjustable ∆VOUT
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4
2.5
IOUT = 0mA, VFB = VREF + 5%
--
EN = GND
--
For adjustable output voltage
0.588
VIN = 2.2 to 5.5V, VOUT = 1.0V
0A < IOUT < 600mA
VIN = 2.2 to 5.5V, VOUT = 1.2V
0A < IOUT < 600mA
VIN = 2.2 to 5.5V, VOUT = 1.5V
0A < IOUT < 600mA
VIN = 2.2 to 5.5V, VOUT = 1.8V
0A < IOUT < 600mA
VIN = 2.8 to 5.5V, VOUT = 2.5V
0A < IOUT < 600mA
VIN = 3.5 to 5.5V, VOUT = 3.3V
0A < IOUT < 600mA
VIN = VOUT + 0.2V to 5.5V, VIN ≧ 3.5V
0A < IOUT < 600mA
VIN = VOUT + 0.4V to 5.5V, VIN ≧ 2.2V
0A < IOUT < 600mA
VREF
−3
−3
−3
−3
−3
−3
−3
−3
--
5.5
V
50
100
µA
0.1
1
µA
0.6 0.612 V
-- VIN − 0.2 V
--
+3
%
--
+3
%
--
+3
%
--
+3
%
--
+3
%
--
+3
%
--
+3
%
--
+3
%
To be continued
DS8008-04 March 2007
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