參數(shù)資料
型號: MIC2807
廠商: Micrel Semiconductor,Inc.
英文描述: RF PA Power Management IC 2MHz, 600mA DC/DC w/DAC Input and Bypass Switch, Dual Low Noise 200mA/30mA LDO Regulators
中文描述: 射頻功率放大器電源管理IC,600mA的直流/直流瓦特2MHz的/ DAC輸入和旁路開關(guān),雙低噪聲200mA/30mA LDO穩(wěn)壓器
文件頁數(shù): 6/17頁
文件大?。?/td> 442K
代理商: MIC2807
Micrel, Inc.
MIC2807
Typical Characteristics (DC/DC)
January 2007
6
M9999-013007-A
0
10
20
30
40
50
60
70
80
90
100
OUTPUT CURRENT (A)
1V
OUT
DC/DC Efficiency
0
0.1
0.2
0.3
0.4
0.5
V
IN
= 4.2V
V
IN
= 3.6V
V
IN
= 3V
0
10
20
30
40
50
60
70
80
90
100
OUTPUT CURRENT (A)
1.2V
OUT
DC/DC Efficiency
0
0.1
0.2
0.3
0.4
0.5
V
IN
= 4.2V
V
IN
= 3.6V
V
IN
= 3V
0
10
20
30
40
50
60
70
80
90
100
OUTPUT CURRENT (A)
1.5V
OUT
DC/DC Efficiency
0
0.1
0.2
0.3
0.4
0.5
V
IN
= 4.2V
V
IN
= 3.6V
V
IN
= 3V
0
10
20
30
40
50
60
70
80
90
100
OUTPUT CURRENT (A)
1.8V
OUT
DC/DC Efficiency
0
0.1
0.2
0.3
0.4
0.5
V
IN
= 4.2V
V
IN
= 3.6V
V
IN
= 3V
0
10
20
30
40
50
60
70
80
90
100
OUTPUT CURRENT (A)
2.5V
OUT
DC/DC Efficiency
0
0.1
0.2
0.3
0.4
0.5
V
IN
= 4.2V
V
IN
= 3.6V
V
IN
= 3V
1.200
1.205
1.210
1.215
1.220
DC/DC Line Regulation
INPUT VOLTAGE (V)
2.7 3.1 3.5
4.3 4.7 5.1 5.5
V
OUT
= 1.2V
I
OUT
= 100mA
V
DAC
= 0.4V
3.9
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
2.7
INPUT VOLTAGE (V)
DC/DC Switching Frequency
vs. Input Voltage
3.1 3.5 3.9
4.3 4.7
5.5
5.1
I
OUT
= 300mA
V
OUT
= 1.5V
V
DAC
= 0.5V
0.7
0.9
1.1
1.3
1.5
2.7
INPUT VOLTAGE (V)
DC/DC Current Limit
vs. Input Voltage
3.1 3.5 3.9
4.3 4.7
5.5
5.1
0
DAC VOLTAGE (V)
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
DC/DC Output Voltage
vs. DAC Voltage
I
OUT
= 100mA
V
IN
= 4.2V
B
V
OUT
=V
DAC
x3
1.815
1.817
1.819
1.821
1.823
1.825
DC/DC Load Regulation
V
IN
= 3.6V
0
OUTPUT CURRENT (A)
0.1
0.2
0.3
0.5
0.4
0.5
1.0
1.5
2.0
2.5
3.0
3.5
-40
TEMPERATURE (°C)
DC/DC Switching Frequency
vs. Temperature
-20 0
20 40 60
120
100
80
I
OUT
= 300mA
V
OUT
= 1.5V
V
DAC
= 0.5V
V
IN
= 3.6V
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