RT8020BPQW データシートの表示（PDF） - Richtek Technology
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RT8020BPQW Datasheet PDF : 14 Pages
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RT8020
Absolute Maximum Ratings (Note 1)
l Supply Input Voltage, VIN1, VIN2 ---------------------------------------------------------------------------------- −0.3V to 6.5V
l EN1, FB1, LX1, EN2, FB2 and LX2 Pin Voltage -------------------------------------------------------------- −0.3V to VIN + 0.3V
l Power Dissipation, PD @ TA = 25°C
WDFN-12L 3x3 ------------------------------------------------------------------------------------------------------- 1.667W
l Package Thermal Resistance (Note 4)
WDFN-12L 3x3, θJA -------------------------------------------------------------------------------------------------- 60°C/W
WDFN-12L 3x3, θJC ------------------------------------------------------------------------------------------------- 8.2°C/W
l Lead Temperature (Soldering, 10 sec.) -------------------------------------------------------------------------- 260°C
l Junction Temperature ----------------------------------------------------------------------------------------------- 150°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 = 2.2uH, CIN = 4.7uF, COUT = 10uF, TA = 25° C, IMAX= 1A unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Units
Channel 1 and Channel 2
Input Voltage Range
Under Voltage Lock Out
threshold
Hysteresis
VIN
UVLO
2.5
--
5.5
V
--
1.8
--
V
--
0.1
--
V
Quiescent Current
Shutdown Current
Reference Voltage
Adjustable Output Voltage
Range
Output Voltage
Accuracy
Fix
IQ
ISHDN
VREF
IOUT = 0mA, VFB = VREF + 5%
EN = GND
For Adjustable Output Voltage
--
50
70
µA
--
0.1
1
µA
0.588 0.6 0.612
V
VOUT (Note 6)
VREF -- VIN −∆V
V
∆VOUT
VIN = 2.5V to 5.5V, VOUT = 1.2V
0A < IOUT < 1A
−3
--
∆VOUT
VIN = 2.5V to 5.5V, VOUT = 1.3V
0A < IOUT < 1A
−3
--
∆VOUT
VIN = 2.5 to 5.5V, VOUT = 1.8V
0A < IOUT < 1A
−3
--
∆VOUT
VIN = VOUT + ∆V to 5.5V (Note 5)
VOUT = 2.5V, 0A < IOUT < 1A
−3
--
∆VOUT
VIN = VOUT + ∆V to 5.5V (Note 5)
VOUT = 3.3V, 0A < IOUT < 1A
−3
--
+3
%
+3
%
+3
%
+3
%
+3
%
To be continued
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4
DS8020-03 August 2007
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