rt9201 Richtek Technology Corporation, rt9201 Datasheet - Page 4

• Manufacturer Part Number: rt9201
• Description: High Efficiency Step-down Dc-dc Converter
• Manufacturer: Richtek Technology Corporation

Absolute Maximum Ratings
l
l
l
l
l
l
l
l
Recommended Operating Conditions
l
l
Electrical Characteristics
(V
www.richtek.com
4
RT9201
Input Voltage Range
Adjustable Output Range
Reference Voltage
Cross Regulation
FB Input Current
PMOSFET R
NMOSFET R
P-Channel Current Limit
Quiescent Current
Shutdown Current
Oscillator Frequency
EN Input High Threshold
EN Input Low Threshold
Thermal Shutdown Temperature
Maximum Duty Cycle
Minimum On Time
LX Leakage Current
Input Voltage ---------------------------------------------------------------------------------------------------------- 6V
Power Dissipation, P
DFN 10L 3x3 --------------------------------------------------------------------------------------------------------- 2.1W
Junction Temperature ---------------------------------------------------------------------------------------------- 150 C
Storage Temperature Range --------------------------------------------------------------------------------------
Package Thermal Resistance
DFN 10L 3x3,
Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------ 260 C
Storage Temperature Range --------------------------------------------------------------------------------------
ESD Susceptibility (Note 2)
Supply Input Voltage ------------------------------------------------------------------------------------------------ 2.5V to 5.5V
Junction Temperature Range -------------------------------------------------------------------------------------
IN
HBM (Human Body Mod) ----------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ----------------------------------------------------------------------------------------------- 200V
= 3.6V, V
OUT
ON
ON
= 2.5V, EN = V
Parameter
JA
--------------------------------------------------------------------------------------------------- 47 C/W
D
@ T
A
IN
= 25 C
, L
X
= 10 H, C
V
V
V
I
P
N
I
I
I
f
V
V
T
Symbol
FB
P(LM)
Q
Q(SD)
OSC
V
SD
IN
OUT
REF
RDS(ON)
IH
IL
RDS(ON)
CROSS
IN
(Note 1)
= 10 F, C
I
I
I
V
No Load
EN = 0V,V
V
(Note 4)
V
I
V
R
I
EN = 0V, V
I
V
V
LX
LX
L
L
LX
OUT
IN
IN
LX
IN
FB
IN
L
= 300mA
Preliminary
= 600mA to 0mA
= 200mA
= 200mA
= 0.1
= 0mA, V
= V
= 2.5V to 5.5V,
= 2.5V to 5.5V
= 2.5V to 5.5V
= 5.5V
= V
= 100mA
OUT
OUT
IN
= 22 F, T
Test Conditions
IN
(Note 3)
, V
IN
= 5.5V, V
FB
FB
= 5.5V
= V
= V
A
REF
= 25° C, unless otherwise specified)
REF
LX
+ 0.15
= 0V or
0.15
0.85
Min
125
100
2.5
0.8
1.5
0.1
--
--
--
--
--
--
--
50
20
3
DS9201-04 August 2004
0.37
Typ
800
150
0.8
0.3
0.1
0.2
85
--
--
--
--
--
--
--
--
--
65 C to 150 C
65 C to 150 C
40 C to 125 C
Max
0.43
0.35
140
5.5
1.6
0.4
0.3
V
+3
50
20
--
--
--
--
--
7
IN
Units
kHz
nA
%
%
V
V
V
V
A
V
C
A
A
A
s