rt8010b Richtek Technology Corporation, rt8010b Datasheet - Page 3

• Manufacturer Part Number: rt8010b
• Description: 1.5mhz, 800ma, High Efficiency Step-down Dc/dc Converter
• Manufacturer: Richtek Technology Corporation

Absolute Maximum Ratings
Recommended Operating Conditions
Electrical Characteristics
(V
DS8010B-00 July 2007
Accuracy
Input Voltage Range
Quiescent Current
Shutdown Current
Reference Voltage
Adjustable Output Range
Output Voltage
FB Input Current
P-MOSFET R
N-MOSFET R
P-Channel Current Limit
EN High-Level Input Voltage V
EN Low-Level Input Voltage V
Under Voltage Lock Out
Threshold
Hysteresis
Supply Input Voltage ------------------------------------------------------------------------------------------------------ 6.5V
EN, FB Pin Voltage ------------------------------------------------------------------------------------------------------- −0.3V to V
Power Dissipation, P
WDFN-8L 2x2 -------------------------------------------------------------------------------------------------------------- 0.606W
Package Thermal Resistance (Note 4)
WDFN-8L 2x2, θ
WDFN-8L 2x2, θ
Lead Temperature (Soldering, 10 sec.) ------------------------------------------------------------------------------- 260°C
Storage Temperature Range --------------------------------------------------------------------------------------------
Junction Temperature ----------------------------------------------------------------------------------------------------- 150°C
ESD Susceptibility (Note 2)
HBM (Human Body Mode) ---------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ------------------------------------------------------------------------------------------------------ 200V
Supply Input Voltage ------------------------------------------------------------------------------------------------------ 2.5V to 4V
Junction Temperature Range -------------------------------------------------------------------------------------------- −40°C to 125°C
Ambient Temperature Range -------------------------------------------------------------------------------------------- −40°C to 85°C
IN
= 3.6V, V
OUT
Parameter
ON
ON
= 2.5V, V
JA
Adjustable
JC
--------------------------------------------------------------------------------------------------------- 165°C/W
-------------------------------------------------------------------------------------------------------- 20°C/W
D
@ T
REF
= 0.6V, L = 2.2μH, C
A
= 25°C
V
I
I
V
V
ΔV
I
R
R
I
UVLO
Q
SHDN
FB
LIM_P
Symbol
IN
REF
OUT
EN_H
EN_L
DS(ON)_P
DS(ON)_N
OUT
I
EN = GND
For Adjustable Output Voltage
(Note 6)
V
0A < I
V
V
V
V
I
I
OUT
OUT
OUT
(Note 1)
IN
IN
IN
IN
FB
IN
= V
= 2.5V to 4V
= 2.5V to 4V
= 2.5V to 4V
= 4.7μF, C
= V
= 0mA, V
= 200mA
= 200mA
Preliminary
OUT
OUT
IN
Test Conditions
< 0.8A
+ ΔV to 4V
OUT
FB
(Note 3)
= 10μF, I
= V
V
V
V
V
IN
IN
IN
IN
REF
= 3.6V
= 2.5V
= 3.6V
= 2.5V
+ 5%
MAX
(Note 5)
= 0.8A, T
0.588
V
Min
−50
2.5
1.2
1.5
−
A
REF
--
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--
--
--
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--
--
= 25°C, unless otherwise specified)
3
0.28
0.38
0.25
0.35
Typ
0.1
0.6
1.5
1.8
0.1
50
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--
RT8010B
V
IN
0.612
Max
−
To be continued
0.4
70
− 0.2V
+3
50
www.richtek.com
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4
1
65°C to 150°C
Units
μA
μA
nA
IN
%
Ω
Ω
V
V
V
A
V
V
V
V
3