参数资料
型号: RT8010BGQW
厂商: 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电流,高效率的PWM降压型DC / DC转换器
文件页数: 5/12页
文件大小: 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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