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MIC2807 数据表(PDF) 3 Page - Micrel Semiconductor

部件名 MIC2807
功能描述  RF PA Power Management IC 2MHz, 600mA DC/DC w/DAC Input and Bypass Switch, Dual Low Noise 200mA/30mA LDO Regulators
PDF  17 Pages
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制造商  MICREL [Micrel Semiconductor]
网页  http://www.micrel.com
标志 MICREL - Micrel Semiconductor

MIC2807 数据表(HTML) 3 Page - Micrel Semiconductor

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Micrel, Inc.
MIC2807
January 2007
3
M9999-013007-A
Absolute Maximum Ratings
(1)
Supply Voltage (PVIN, AVIN, VIN) ............................ 0V to 6V
Output Switch Voltage (VSW). ...........................................6V
DAC Input Voltage (VDAC)....................................... 0V to VIN
Logic Input Voltage (VEN, VEN1, VEN2) ..................... 0V to VIN
Power Dissipation
(3)...................................Internally Limited
Storage Temperature (Ts) .........................–65°C to +150°C
ESD Rating
(4)................................................................ ±2kV
Operating Ratings
(2)
Supply Voltage (PVIN, AVIN, VIN) ...................... 2.7V to 5.5V
Output Voltage (VOUT) ............................................ 0V to VIN
Enable Voltage (VEN, VEN1, VEN2)............................ 0V to VIN
DAC Input Voltage (VDAC).................................... 0.1V to VIN
Junction Temperature (TJ) ........................–40°C to +125°C
Thermal Resistance
2.5x2.8mm MLF-17 (θJA) ...................................70°C/W
Electrical Characteristics
(5)
DC/DC Converter
VIN = PVIN = AVIN = VEN = 3.6V; VDAC = 0.6V; VEN1 = VEN2 = 0V; L = 4.7µH; COUT = 1µF; TA = 25°C, bold values indicate
–40°C< TJ < +125°C, unless noted.
LDO1/LDO2
VIN = VEN1 = VEN2 = 3.6V; COUTLDO1 = 2.2µF; VEN = 0V; COUTLDO2 = 1µF; IOUT = 100µA; TA = 25°C, bold values indicate
–40°C< TJ < +125°C, unless noted.
Parameter
Condition
Min
Typ
Max
Units
MIC2807
Supply Voltage Range
2.7
5.5
V
Total Quiescent Current
VEN = VEN1 = VEN2 = 3.6V
VDAC = 0.6V (DC/DC: not switching)
480
µA
Logic Low
0.4
V
Enable Pin Threshold
Logic High
1.3
V
Enable Pin Hysteresis
30
mV
Enable Pin Input Current
0.01
1
µA
Under-Voltage
Lockout Threshold
(turn-on)
2.6
2.7
V
UVLO Hysteresis
85
mV
Shutdown Temperature
160
ºC
Shutdown Temperature
Hysteresis
20
ºC
Total Shutdown Current
VEN = VEN1 = VEN2 = 0V
1
5
µA
DC/DC Converter [VEN1 = VEN2 = 0V]
Maximum Duty Cycle
100
%
Bypass Quiescent
Current
VDAC = 1.3V
490
650
µA
Quiescent Current
VDAC = 0.6V (regulator on, not switching)
360
450
µA
Output Voltage
VDAC = 0.6V, ILOAD = 0mA
1.746
1.8
1.854
V
Output Voltage
Line Regulation
3.0V< VIN < 4.5, ILOAD = 10mA
0.05
0.5
%/V
Output Voltage
Load Regulation
0mA < IOUT < 400mA
0.2
1
%
Switch On-Resistance
ISW = -100mA, High-Side Switch
ISW = 100mA, Low-Side Switch
0.55
0.6
0.75
0.85
Ω
Ω
Current Limit
(Peak SW Current)
0.65
0.85
1.6
A
Frequency
1.8
2
2.2
MHz



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