rt8020 Richtek Technology Corporation, rt8020 Datasheet - Page 5

• Manufacturer Part Number: rt8020
• Description: Dual High-efficiency Step-down Dc-dc Converter
• Manufacturer: Richtek Technology Corporation

Note 1. Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device. These are for
Note 2. Devices are ESD sensitive. Handling precaution recommended.
Note 3. The device is not guaranteed to function outside its operating conditions.
Note 4.
Note 5. V = I
Note 6. Guarantee by design.
DS8020-03 August 2007
Output Voltage
Accuracy
Maximum Duty Cycle
Oscillator Frequency
FB Input Current
R
R
P-Channel Current Limit
EN High-Level Input Voltage
EN Low-Level Input Voltage
Thermal Shutdown Temperature
LX Leakage Current
DS(ON)
DS(ON)
stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended
periods may remain possibility to affect device reliability.
JEDEC 51-7 thermal measurement standard.
JA
of P-MOSFET
of N-MOSFET
is measured in the natural convection at T
OUT
x P
Parameter
RDS(ON)
Adjustable
I
R
R
I
V
V
f
T
I
FB
LIM_P
OSC
LX
Symbol
V
SD
DS(ON)_P
DS(ON)_N
EN_H
EN_L
OUT
V
V
0A < I
V
V
V
V
V
I
I
OUT
OUT
A
IN
IN
IN
IN
IN
IN
FB
= 25 C on a high effective four layers thermal conductivity test board of
= 3.6V, V
= 3.6V, I
= V
= 2.5V to 5.5 V
= 2.5V to 5.5V
= 2.5V to 5.5V
= V
= 200mA
= 200mA
OUT
OUT
IN
Test Conditions
< 1A
+ V to 5.5V
OUT
LX
= 0V or V
= 100mA
V
V
V
V
IN
IN
IN
IN
= 2.5V
= 3.6V
= 2.5V
= 3.6V
LX
(Note 5)
= 3.6V
Min
100
1.4
1.5
1.2
--
--
--
--
--
--
50
1
3
0.38
0.28
0.35
0.25
Typ
160
1.5
1.5
--
--
--
--
--
--
RT8020
www.richtek.com
Max
V
0.4
1.8
+3
50
--
--
--
--
--
--
2
1
IN
Units
MHz
nA
%
%
A
V
C
A
5