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轉換器
文件頁數(shù): 5/12頁
文件大?。?/td> 265K
代理商: RT8010BGQW
RT8010B
5
DS8010B-00 July 2007
www.richtek.com
Preliminary
Typical Operating Characteristics
Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
Output Current (A)
E
V
OUT
= 1.2V,
C
OUT
= 4.7
μ
F,
L
= 4.7
μ
H
V
IN
= 2.5V
V
IN
= 3.3V
EN Pin Threshold vs. Temperature
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
-40 -25 -10
5
20
35
50
65
80
95 110 125
Temperature
E
(
°
C)
V
IN
= 3.6V, V
OUT
= 1.2V,
I
OUT
= 0A
Rising
Falling
EN Pin Threshold vs. Input Voltage
0.60
0.65
0.70
0.75
0.80
0.85
0.90
0.95
1.00
1.05
1.10
1.15
1.20
2.5
2.7
2.9
3.1
3.3
3.5
3.7
3.9
4.1
4.3
4.5
Input Voltage (V)
E
V
OUT
= 1.2V,
I
OUT
= 0A
Rising
Falling
V
REF
vs. Temperature
0.588
0.590
0.592
0.594
0.596
0.598
0.600
0.602
0.604
0.606
0.608
0.610
0.612
-40 -25 -10
5
20
35
50
65
80
95 110 125
Temperature
V
R
(
°
C)
Efficiency vs. Output Current
0
10
20
30
40
50
60
70
80
90
100
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
Output Current (A)
E
V
OUT
= 1.2V,
C
OUT
= 10
μ
F,
L
= 2.2
μ
H
V
IN
= 2.5V
V
IN
= 3.3V
UVLO Threshold vs. Temperature
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2.0
-40 -25 -10
5
20
35
50
65
80
95 110 125
Temperature
U
(
°
C)
V
OUT
= 1.2V,
I
OUT
= 0A
Rising
Falling
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