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參數(shù)資料
| 型號： | RT8010A-25PQW |
| 廠商： | Richtek Technology Corporation |
| 英文描述： | 1.5MHz, 1A, High Efficiency PWM Step-Down DC/DC Converter |
| 中文描述： | 1.5MHz的，第1A，高效PWM降壓型DC / DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 5/15頁 |
| 文件大?。?/td> | 409K |
| 代理商： | RT8010A-25PQW |
RT8010/A
5
DS8010/A-02 March 2007
www.richtek.com
Parameter
Symbol
Test Conditions
Min
Typ
Max Units
Δ
V
OUT
Δ
V
OUT
V
IN
= V
OUT
+
Δ
V to 5.5V (Note 5)
V
IN
= V
OUT
+
Δ
V to 5.5V (Note 5)
3
--
+3
%
Output Voltage
Accuracy
Fix
3
--
+3
%
Output Voltage
Accuracy
Adjustable
Δ
V
OUT
V
IN
= V
OUT
+
Δ
V to 5.5V (Note 5)
0A < I
OUT
< 1A
V
FB
= V
IN
3
--
+3
%
FB Input Current
I
FB
50
--
50
nA
V
IN
= 3.6V
--
0.28
--
PMOSFET R
ON
R
DS(ON)_P
I
OUT
= 200mA
V
IN
= 2.5V
--
0.38
--
Ω
V
IN
= 3.6V
--
0.25
--
NMOSFET R
ON
R
DS(ON)_N
I
OUT
= 200mA
V
IN
= 2.5V
--
0.35
--
Ω
P-Channel Current Limit
I
LIM_P
V
IN
= 2.5V to 5.5 V
1.4
1.5
--
A
EN High-Level Input Voltage
V
EN_H
V
IN
= 2.5V to 5.5V
1.5
--
--
EN Low-Level Input Voltage
V
EN_L
V
IN
= 2.5V to 5.5V
--
--
0.4
V
Under Voltage Lock Out threshold UVLO
--
1.8
--
V
Hysteresis
--
0.1
--
V
Oscillator Frequency
f
OSC
V
IN
= 3.6V, I
OUT
= 100mA
1.2
1.5
1.8
MHz
Thermal Shutdown Temperature T
SD
--
160
--
°
C
Max. Duty Cycle
100
--
--
%
LX Leakage Current
V
IN
= 3.6V, V
LX
= 0V or V
LX
= 3.6V
1
--
1
μ
A
Note 1.
Stresses listed as the above
“
Absolute Maximum Ratings
”
may cause permanent damage to the device. These are for
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.
Note 2.
Devices are ESD sensitive. Handling precaution recommended.
Note 3.
The device is not guaranteed to function outside its operating conditions.
Note 4.
θ
JA
is measured in the natural convection at T
A
= 25
°
C on a high effective four layers thermal conductivity test board of
JEDEC 51-7 thermal measurement standard. The case point of
θ
JC
is on the expose pad for the QFN package.
Note 5.
Δ
V = I
OUT
x P
RDS(ON)
Note 6.
Guarantee by design.
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| RT8010A-33GQW | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:1.5MHz, 1A, High Efficiency PWM Step-Down DC/DC Converter |
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| RT8010B | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:1.5MHz, 800mA, High Efficiency PWM Step-Down DC/DC Converter |
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