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MIC2808-NNYFT 参数 Datasheet PDF下载

MIC2808-NNYFT图片预览
型号: MIC2808-NNYFT
PDF下载: 下载PDF文件 查看货源
内容描述: RF PA电源管理IC为2MHz , 600毫安DC / DC W / DAC输入和旁路开关,双路低噪声200毫安/ 30毫安LDO稳压器 [RF PA Power Management IC 2MHz, 600mA DC/DC w/DAC Input and Bypass Switch, Dual Low Noise 200mA/30mA LDO Regulators]
分类和应用: 稳压器开关
文件页数/大小: 18 页 / 486 K
品牌: MICREL [ MICREL SEMICONDUCTOR ]
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Micrel, Inc.
MIC2808
Parameter
Turn-On Time
DAC Input Current
Output Voltage/
DAC Voltage
Bypass Switch
Threshold
Bypass Switch
Hysteresis
Bypass Transition Time
Bypass Switch
On-Resistance
Bypass Switch Leakage
Bypass Over-Current
Limit
Current Limit Retry Time
Current Limit Retry
Duty Cycle
LDO1/LDO2 [V
EN
= 0V]
Total Ground Current
(8)
Turn-on Time
LDO1 [V
EN
= 0V]
Output Voltage Accuracy
Line Regulation
Load Regulation
(6)
Dropout Voltage
(7)
Condition
I
OUT
= 100µA
(internally set)
DAC Voltage required to enable bypass mode
Min
Typ
25
0.15
3
Max
50
2
Units
µs
µA
V/V
1.176
1.2
35
1.224
V
mV
Delay from V
DAC
= 1.3V to V
OUT
= 0.90V
IN
V
IN
= 3.0V, I
BYPASS
= 100mA
10
95
40
150
5
µs
mΩ
µA
A
µs
%
1
1.4
32
12.5
2.5
V
EN1
= V
EN2
= 3.6V
LDO1 or LDO2; C
BYP
= 0.1µF
Variation from nominal V
OUT
–40°C to +125°C
V
IN
= V
OUT
+1V to 5.5V
I
OUT
= 100µA to 200mA
I
OUT
= 50mA; V
OUT
> 2.8V
I
OUT
= 150mA; V
OUT
> 2.8V
I
OUT
= 200mA; V
OUT
> 2.8V
I
OUT
= 0mA; EN2 = GND
f = up to 1kHz; C
BYP
= 0.1µF
f = 1kHz – 20kHz; C
BYP
= 0.1µF
V
OUT
= 0V
C
BYP
=0.1µF, 10Hz to 100kHz
Variation from nominal V
OUT
–40°C to +125°C
V
IN
= V
OUT
+1V to 5.5V
I
OUT
= 100µA to 30mA
I
OUT
= 10mA; V
OUT
> 2.8V
I
OUT
= 30mA; V
OUT
> 2.8V
I
OUT
= 0mA; EN1 = GND
f = up to 1kHz; C
BYP
= 0.1µF
f = 1kHz – 20kHz; C
BYP
= 0.1µF
V
OUT
= 0V
C
BYP
= 0.1µF, 10Hz to 100kHz
–1
–2
220
30
100
+1
+2
0.3
0.5
µA
µs
%
%
%/V
%
mV
mV
mV
µA
dB
dB
mA
µV
RMS
%
%
%/V
%
mV
mV
µA
dB
dB
mA
µV
RMS
Ground Pin Current
Ripple Rejection
(8)
Current Limit
Output Voltage Noise
LDO2 [V
EN
= 0V]
Output Voltage Accuracy
Line Regulation
Load Regulation
(6)
Dropout Voltage
(7)
Ground Pin Current
Ripple Rejection
(8)
225
0.02
0.2
20
55
70
190
70
45
300
32
100
300
700
–1
–2
0.02
0.2
10
30
190
65
40
60
32
+1
+2
0.3
0.5
60
300
Current Limit
Output Voltage Noise
40
150
July 2009
5
M9999-071709-A