參數(shù)資料
型號： RT8010BGQW
廠商： Richtek Technology Corporation
英文描述： 1.5MHz, 800mA, High Efficiency PWM Step-Down DC/DC Converter
中文描述： 1.5MHz的，800mA電流，高效率的PWM降壓型DC / DC轉(zhuǎn)換器
文件頁數(shù)： 3/12頁
文件大?。?/td> 265K
代理商： RT8010BGQW
RT8010B
3
DS8010B-00 July 2007
www.richtek.com
Preliminary
Absolute Maximum Ratings
(Note 1)
z
Supply Input Voltage------------------------------------------------------------------------------------------------------ 6.5V
z
EN, FB Pin Voltage -------------------------------------------------------------------------------------------------------
0.3V to V
IN
z
Power Dissipation, P
D
@ T
A
= 25
°
C
WDFN-8L 2x2 -------------------------------------------------------------------------------------------------------------- 0.606W
z
Package Thermal Resistance (Note 4)
WDFN-8L 2x2,
θ
JA
--------------------------------------------------------------------------------------------------------- 165
°
C/W
WDFN-8L 2x2,
θ
JC
-------------------------------------------------------------------------------------------------------- 20
°
C/W
z
Lead Temperature (Soldering, 10 sec.)------------------------------------------------------------------------------- 260
°
C
z
Storage Temperature Range --------------------------------------------------------------------------------------------
65
°
C to 150
°
C
z
Junction Temperature----------------------------------------------------------------------------------------------------- 150
°
C
z
ESD Susceptibility (Note 2)
HBM (Human Body Mode) ---------------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ------------------------------------------------------------------------------------------------------ 200V
Electrical Characteristics
(V
IN
= 3.6V, V
OUT
= 2.5V, V
REF
= 0.6V, L = 2.2
μ
H, C
IN
= 4.7
μ
F, C
OUT
= 10
μ
F, I
MAX
= 0.8A, T
A
= 25
°
C, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Units
Input Voltage Range
V
IN
2.5
--
4
V
Quiescent Current
I
Q
I
SHDN
I
OUT
= 0mA, V
FB
= V
REF
+ 5%
--
50
70
μ
A
Shutdown Current
EN = GND
--
0.1
1
μ
A
Reference Voltage
V
REF
For Adjustable Output Voltage
0.588
0.6
0.612
V
Adjustable Output Range
V
OUT
(Note 6)
V
REF
--
V
IN
0.2V
V
Output Voltage
Accuracy
Adjustable
Δ
V
OUT
V
IN
= V
OUT
+
Δ
V to 4V (Note 5)
0A < I
OUT
< 0.8A
V
FB
= V
IN
3
--
+3
%
FB Input Current
I
FB
50
--
50
nA
V
IN
= 3.6V
--
0.28
--
Ω
P-MOSFET R
ON
R
DS(ON)_P
I
OUT
= 200mA
V
IN
= 2.5V
--
0.38
--
V
IN
= 3.6V
--
0.25
--
Ω
N-MOSFET R
ON
R
DS(ON)_N
I
OUT
= 200mA
V
IN
= 2.5V
--
0.35
--
P-Channel Current Limit
I
LIM_P
V
IN
= 2.5V to 4V
1.2
1.5
--
A
EN High-Level Input Voltage V
EN_H
V
IN
= 2.5V to 4V
1.5
--
--
V
EN Low-Level Input Voltage V
EN_L
Under Voltage Lock Out
Threshold
Hysteresis
V
IN
= 2.5V to 4V
--
--
0.4
V
UVLO
--
1.8
--
V
--
0.1
--
V
To be continued
Recommended Operating Conditions
(Note 3)
z
Supply Input Voltage------------------------------------------------------------------------------------------------------ 2.5V to 4V
z
Junction Temperature Range--------------------------------------------------------------------------------------------
40
°
C to 125
°
C
z
Ambient Temperature Range--------------------------------------------------------------------------------------------
40
°
C to 85
°
C
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