參數(shù)資料
型號(hào): RT8010A-33PQW
廠(chǎng)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(yè)數(shù): 2/15頁(yè)
文件大?。?/td> 409K
代理商: RT8010A-33PQW
RT8010/A
2
DS8010/A-02 March 2007
www.richtek.com
Typical Application Circuit
Figure 1. Fixed Voltage Regulator
Figure 2. Adjustable Voltage Regulator
+
1
=
R2
R1
x
V
V
REF
OUT
with R2 = 300k
Ω
to 60k
Ω
so the I
R2
= 2
μ
A to 10
μ
A,
and (R1 x C1) should be in the range between 3x10
-6
and 6x10
-6
for component selection.
Figure 3
Layout note:
1. The distance that C
IN
connects to V
IN
is as close as possible (Under 2mm).
2. C
OUT
should be placed near RT8010/A.
Layout Guide
4.7uF
10uF
VIN
LX
NC
RT8010/A
EN
VOUT
2.2uH
2.5V to 5.5V
V
IN
V
OUT
C
IN
L
6
4
3
2
5
C
OUT
GND
1
4.7uF
10uF
VIN
LX
RT8010/A
EN
FB
2.2uH
2.5V to 5.5V
V
IN
V
OUT
C
IN
L
6
4
3
2
C
OUT
R1
R2
C1
I
R2
NC
5
GND
1
NC
EN
VIN
FB
GND
LX
RT8010/A_ADJ
C
IN
must be placed
between V
DD
and
GND as closer as
possible
LX should be
connected to
Inductor by wide
and short trace,
keep sensitive
compontents away
from this trace
Output
capacitor
must be near
RT8010/A
L1
C
OUT
C
IN
1
2
3
4
5
6
R1
R2
L1
NC
EN
VIN
GND
LX
C
OUT
C
IN
RT8010/A_FIX
C
IN
must be placed
between V
DD
and
GND as closer as
possible
LX should be connected
to Inductor by wide and
short trace, keep
sensitive compontents
away from this trace
Output capacitor
must be near
RT8010
1
2
3
4
5
6 VOUT
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