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MAX881R डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Low-Noise Bias Supply in MAX with Power-OK for GaAsFET PA - Maxim

भाग संख्या MAX881R
समारोह Low-Noise Bias Supply in MAX with Power-OK for GaAsFET PA
मैन्युफैक्चरर्स Maxim 
लोगो Maxim लोगो 
पूर्व दर्शन
1 Page
		
<?=MAX881R?> डेटा पत्रक पीडीएफ

MAX881R pdf
Low-Noise Bias Supply in µMAX
with Power-OK for GaAsFET PA
ABSOLUTE MAXIMUM RATINGS
IN to GND .................................................................-0.3V to +6V
SHDN to GND...........................................................-0.3V to +6V
POK to GND ...........................................................-0.3V to +12V
C1+ to GND .................................................-0.3V to (VIN + 0.3V)
C1-, NEGOUT, OUT, FB to GND ....................-6V to (VIN + 0.3V)
Continuous Power Dissipation (TA = +70°C)
10-Pin µMAX (derate 5.6mW/°C above +70°C) ...........444mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +165°C
Lead Temperature (soldering, 10sec) .............................+300°C
Note 1: The output may be shorted to NEGOUT or GND if the package power dissipation is not exceeded. Typical short-circuit
current is 35mA.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 3, VIN = +3.6V, FB = GND, RL = , SHDN = IN, TA = -40°C to +85°C, unless otherwise noted. Typical values are at
TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Supply Voltage Range
Preset Output Voltage
Adjustable Output Voltage
Range
VIN
VOUT
VOUT
VIN 2.7V, IOUT = 0 to 4mA
VIN 2.5V, IOUT = 0 to 4mA
2.5
-2.1 -2.0
-(VIN - 0.6)
5.5
-1.9
-0.5
V
V
V
FB Voltage
FB Input Current
Supply Current
Shutdown Supply Current
Output Load Regulation
Output Ripple
Oscillator Frequency
VFB
IQ
ISHUT
fOSC
VIN 2.5V,
IOUT = 0 to 4mA
VFB = -0.5V
TA = +25°C
TA = 0°C to +85°C
TA = -40°C to +85°C
SHDN = GND
VIN 2.7V, IOUT = 0 to 4mA
IOUT = 4mA, circuit of Figure 3b
-0.515 -0.5 -0.485
-0.525
-0.475 V
-0.535
-0.465
-10 -100 nA
500 950 µA
0.05 1
µA
2 6 mV/mA
1 mVp-p
80 100 120 kHz
POK Threshold
POK Output Level
POK Off Leakage Current
SHDN Input High Voltage
SHDN Input Low Voltage
SHDN Input Current
SHDN Input Capacitance
Start-Up Time
VIH
VIL
ISHDN
CIN
tSTART
FB = OUT
VIN 2.5V, sinking 1mA
V POK = 11V
VIN = 5.5V
VIN = 2.5V
Connected to IN or GND
VIN = 3V, RL = 500, V SHDN = 0 to VIN,
POK goes low
90
92.5
95
% of
VOUT
100 mV
1 µA
2.2 V
0.35 V
±1 µA
10 pF
1 ms
Note 2: Specifications to -40°C are guaranteed by design, not production tested.
2 _______________________________________________________________________________________

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