參數(shù)資料
型號: RT8058PQW
廠商: Richtek Technology Corporation
英文描述: 1MHz, 2A, High Efficiency PWM Step-Down DC/DC Converter
中文描述: 1MHz的,甲,高效率的PWM降壓型DC / DC轉(zhuǎn)換器
文件頁數(shù): 5/15頁
文件大?。?/td> 248K
代理商: RT8058PQW
RT8058
Preliminary
5
DS8058-02 August 2007
www.richtek.com
Typical Operating Characteristics
Frequency vs. Temperature
850
900
950
1000
1050
1100
-50
-25
0
25
50
75
100
125
Temperature
F
(
°
C)
V
IN
= 3.6V, V
OUT
= 1.2V, I
OUT
= 0A
Output Voltage vs. Outout Current
1.1980
1.1982
1.1984
1.1986
1.1988
1.1990
1.1992
1.1994
1.1996
1.1998
1.2000
0
250
500
750
1000
1250 1500 1750
2000
Outout Current (mA)
O
V
IN
= 3.3V
V
IN
= 5V
Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0
500
1000
1500
2000
Output Current (mA)
E
V
IN
= 3.3V
V
IN
= 5V
V
OUT
= 1.2V, L = 3.3
μ
H, C
OUT
= 22
μ
Fx2
Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0
500
1000
1500
2000
Output Current (mA)
E
V
IN
= 3.3V
V
IN
= 5V
V
OUT
= 1.8V, L = 3.3
μ
H, C
OUT
= 22
μ
Fx2
Output Voltage vs. Temperature
1.185
1.187
1.189
1.191
1.193
1.195
1.197
1.199
1.201
1.203
1.205
-50
-25
0
25
50
75
100
125
Temperature
O
(
°
C)
V
IN
= 3.6V
Reference Voltage vs. Input Voltage
0.5990
0.5992
0.5994
0.5996
0.5998
0.6000
0.6002
0.6004
0.6006
0.6008
0.6010
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
R
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