RT8025-18GB 查看數據表（PDF） - Richtek Technology
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RT8025-18GB Datasheet PDF : 13 Pages
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RT8025
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 2)
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 3)
HBM (Human Body Mode) ---------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ------------------------------------------------------------------------------------------------------ 200V
Recommended Operating Conditions (Note 4)
Supply Input Voltage ------------------------------------------------------------------------------------------------------ 2.5V to 5.5V
Junction Temperature Range -------------------------------------------------------------------------------------------- −40°C to 125°C
Ambient Temperature Range -------------------------------------------------------------------------------------------- −40°C to 85°C
Electrical Characteristics
(VIN = 3.6V, VOUT = 2.5V, VREF = 0.5V, L = 4.7μH, CIN = 4.7μF, COUT = 10μF, TA = 25°C, IMAX = 400mA, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Input Voltage Range
Quiescent Current
Shutdown Current
Reference Voltage
Adjustable Output Range
Output Voltage
Accuracy
Fix
VIN
IQ
ISHDN
VREF
VOUT
ΔVOUT
ΔVOUT
ΔVOUT
ΔVOUT
ΔVOUT
ΔVOUT
ΔVOUT
ΔVOUT
2.5
IOUT = 0mA, VFB = VREF + 5%
--
EN = GND
--
For adjustable output voltage
0.49
VIN = 2.5 to 5.5V, VOUT = 1.0V
0A < IOUT < 400mA
VIN = 2.5 to 5.5V, VOUT = 1.2V
0A < IOUT < 400mA
VIN = 2.5 to 5.5V, VOUT = 1.3V
0A < IOUT < 400mA
VIN = 2.5 to 5.5V, VOUT = 1.5V
0A < IOUT < 400mA
VIN = 2.5 to 5.5V, VOUT = 1.8V
0A < IOUT < 400mA
VIN = VOUT + ΔV to 5.5V (Note 5)
VOUT = 2.5V, 0A < IOUT < 400mA
VIN = VOUT + ΔV to 5.5V (Note 5)
VOUT = 3.3V, 0A < IOUT < 400mA
VIN = VOUT + 0.2V to 5.5V
0A < IOUT < 400mA
VREF
−3
−3
−3
−3
−3
−3
−3
−3
--
5.5
V
50
100 μA
0.1
1
μA
0.5 0.51 V
-- VIN − 0.2 V
--
3
%
--
3
%
--
3
%
--
3
%
--
3
%
--
3
%
--
3
%
--
3
%
To be continued
www.richtek.com
4
DS8025-02 March 2011
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