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MIC2807 Datasheet, PDF (3/17 Pages) Micrel Semiconductor – RF PA Power Management IC 2MHz, 600mA DC/DC w/DAC Input and Bypass Switch, Dual Low Noise 200mA/30mA LDO Regulators
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Micrel, Inc.
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
MIC2807
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
Enable Pin Threshold
VEN = VEN1 = VEN2 = 3.6V
VDAC = 0.6V (DC/DC: not switching)
Logic Low
480
µA
0.4
V
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
DC/DC Converter [VEN1 = VEN2 = 0V]
Maximum Duty Cycle
1
5
µA
100
%
Bypass Quiescent
Current
VDAC = 1.3V
490
650
µA
Quiescent Current
Output Voltage
Output Voltage
Line Regulation
VDAC = 0.6V (regulator on, not switching)
VDAC = 0.6V, ILOAD = 0mA
3.0V< VIN < 4.5, ILOAD = 10mA
360
450
µA
1.746 1.8 1.854
V
0.05
0.5
%/V
Output Voltage
Load Regulation
0mA < IOUT < 400mA
0.2
1
%
Switch On-Resistance
Current Limit
(Peak SW Current)
ISW = -100mA, High-Side Switch
ISW = 100mA, Low-Side Switch
0.55 0.75
Ω
0.6
0.85
Ω
0.65 0.85
1.6
A
Frequency
1.8
2
2.2
MHz
January 2007
3
M9999-013007-A
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