RT8005 RICHTEK [Richtek Technology Corporation], RT8005 Datasheet - Page 4

• Manufacturer Part Number: RT8005
• Description: 1A, 2MHz, High-Efficiency Synchronous Buck PWM Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT8005
Absolute Maximum Ratings
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Recommended Operating Conditions
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Electrical Characteristics
(V
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4
Supply Current
Quiescent Current
Shutdown Current
Reference
Reference Voltage
Oscillator
Switching Frequency Range
Maximum Duty Cycle
Line Regulation
Load Regulation
Power Switches
R
R
Current Limit
Output Voltage
VDFN-10L 3x3,
Supply Voltage, PVDD and VDD
EN, FB Voltage --------------------------------------------------------------------------------------------------- 0.3V to V
PGND to GND ---------------------------------------------------------------------------------------------------- 0.3V to 0.3V
LX Voltage --------------------------------------------------------------------------------------------------------- 0.3V to (V
Power Dissipation, P
VDFN-10L 3x3 ----------------------------------------------------------------------------------------------------1.923W
Package Thermal Resistance (Note 4)
Junction Temperature -------------------------------------------------------------------------------------------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
Supply Voltage, PVDD and VDD ------------------------------------------------------------------------------2.4V to 5.5V
Enable Input Voltage, V
Ambient Temperature Range ---------------------------------------------------------------------------------- 40 C to 85 C
Junction Temperature Range ---------------------------------------------------------------------------------- 40 C to 125 C
DD
DS(ON)
DS(ON)
= 3.3V, T
of P-Channel MOSFET
of N-Channel MOSFET
Parameter
A
= 25 C, unless otherwise specified)
JA
-----------------------------------------------------------------------------------------------52 C/W
D
@ T
EN
A
-------------------------------------------------------------------------------------0V to V
= 25 C
------------------------------------------------------------------------------
I
I
V
f
DC
R
R
I
Symbol
Q
SHDN
OSC
LIMIT
REF
P_FET
N_FET
(Note 1)
V
I
V
V
V
10mA < I
V
V
V
OUT
EN
EN
PVDD
DD
PVDD
PVDD
PVDD
= 3.3V, V
= 0V
= 2.4V to 5.5V, I
= 0mA
= V
= 3.3V, I
= 3.3V, I
= 3.3V, V
LOAD
Test Conditions
OUT
(Note 3)
FB
< 600mA
LX
LX
FB
= V
= 300mA
= 300mA
= V
REF
LOAD
REF
+ 0.15V,
= 100mA
- 0.15V
0.4925
Min
100
1.7
--
--
--
--
--
--
--
DS8005-08 August 2007
0.01
Typ
0.3V to 6V
200
230
180
0.5
2.0
1.8
--
--
--
To be continued
DD
0.5075
Max
+1.5
+1.5
400
2.3
--
--
--
--
1
DD
DD
+ 0.3V)
Units
MHz
m
m
µA
µA
%
%
%
V
A