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MAX1725 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - 12V / Ultra-Low IQ / Low-Dropout Linear Regulators - Maxim

भाग संख्या MAX1725
समारोह 12V / Ultra-Low IQ / Low-Dropout Linear Regulators
मैन्युफैक्चरर्स Maxim 
लोगो Maxim लोगो 
पूर्व दर्शन
1 Page
		
<?=MAX1725?> डेटा पत्रक पीडीएफ

MAX1725 pdf
MAX1725/MAX1726
12V, Ultra-Low IQ, Low-Dropout
Linear Regulators
ABSOLUTE MAXIMUM RATINGS
IN to GND ................................................................-14V to +14V
SHDN to GND ..............................................-0.3V to (VIN + 0.3V)
(-0.3V to + 0.3V when VIN < 0V)
OUT, FB (MAX1725 only) to GND...................-0.3V to +6V when
VIN >5.7V; -0.3V to (VIN + 0.3V) when 0V <
VIN < 5.7V; -0.3V to +0.3V when VIN < 0V
OUT Continuous Current...................................................200mA
OUT Short Circuit...........................................................Indefinite
Continuous Power Dissipation (TA = +70°C)
5-Pin SOT23 (derate 7.1mW/°C above +70°C)............571mW
Junction Temperature ......................................................+150°C
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Soldering Temperature (reflow) .......................................+260°C
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.
PACKAGE THERMAL CHARACTERISTICS (Note 1)
Junction-to-Ambient Thermal Resistance (θJA)...............140°C/W
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, VIN = VOUT + 1V, SHDN = IN, IOUT = 1mA, 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
Input Voltage Range
Supply Current
Shutdown Supply Current
OUT Voltage Range
FB Voltage
OUT Voltage Accuracy (Note 4)
Line Regulation
VIN
IIN
IIN(SHDN)
VOUT
VFB
VLNR
(Note 3)
VIN = 12V
VSHDN = 0V, VIN = 12V, VOUT = 0V
MAX1725 only
MAX1725 only (Note 4)
TA = +25°C
TA = 0°C to +85°C
TA = -40°C to +85°C
VIN = 2.5V or (VOUT + 0.5V) to 12V
2.5
2
0.7
1.5
1.245
-1.5
-2
-3
0.01
12
4.5
2
5
1.5
+2
+3
0.3
V
µA
µA
V
V
%
%/V
Load Regulation
VLDR
IOUT = 1mA to 20mA, VIN = (VOUT + 1V)
or 3V (min)
0.015 0.15 %/mA
Maximum OUT Current
IOUT VIN = (VOUT + 1V) or 3V (Note 5)
20 80
mA
Dropout Voltage (Note 5)
VDO
IOUT = 20mA for VOUT 2.5V, IOUT = 10mA for
VOUT < 2.5V, not applicable for VOUT < 1.9V
300 600 mV
Foldback Current Limit
SHDN Input Threshold
SHDN Input Bias Current
FB Input Bias Current
(MAX1725 only)
IN Reverse Leakage Current
Thermal-Shutdown Threshold
ISC
VIH
VIL
I SHDN
IFB
VIN = 12V, VOUT = 0V
VIN = 2.5V to 12V
V SHDN = 0V to 12V
TA = +25°C
TA = +85°C
VFB = 1.25V
TA = +25°C
TA = +85°C
VIN = -12V, V SHDN = 0V
Temperature rising
40 mA
2
V
0.5
-50 +50
nA
0.1
-20 2 +20
nA
1.5
0.01 10
µA
150 °C
Thermal-Shutdown Hysteresis
15 °C
2 Maxim Integrated

विन्यास 8 पेज
डाउनलोड[ MAX1725 Datasheet.PDF ]


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