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MAX1729 Fiches technique(PDF) 2 Page - Maxim Integrated Products

No de pièce MAX1729
Description  ECB and LCD Display Bias Supply with Accurate Output Voltage and Temperature Compensation
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Fabricant  MAXIM [Maxim Integrated Products]
Site Internet  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1729 Fiches technique(HTML) 2 Page - Maxim Integrated Products

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ECB and LCD Display Bias Supply with Accurate
Output Voltage and Temperature Compensation
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VIN = +3V, CTLIN = IN, FB = GND, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
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.
IN to GND .................................................................-0.3V to +6V
LX, PS, OUT to GND...............................................-0.3V to +20V
CTLIN, FB, REF, COMP, TC to GND ...........-0.3V to (VIN + 0.3V)
LX to PS ..................................................................-20V to +1.0V
LX, PS, OUT Current ...........................................................60mA
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 +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
CONDITIONS
V
2.7
5.5
VIN
Operating Voltage Range
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
V
2.0
2.6
VLO
Undervoltage Lockout
Threshold (Note 2)
µA
37
50
IIN
IN Supply Current
µA
30
40
IPS
PS Supply Current
µA
0.4
2
ISHDN
Shutdown Supply Current
CTLIN = GND, ISHDN = IIN + IPS
IREF = 0
V
1.215
1.228
1.241
VREF
Reference Output Voltage
TA = +25°C
1.200
1.256
TA = -40°C to +85°C
FB = GND, CTLIN =
0.1% duty cycle,
IOUT = 0 to 0.5mA
V
VOUT
(MIN)
Minimum Output Voltage
2.35
2.45
2.5
TA = -40°C to +85°C
IOUT = 0 to 0.5mA
V
16
16.40
VOUT
(MAX)
Maximum Output Voltage
FB = GND, CTLIN =
0.1% to 100% duty
cycle, IOUT = 0
V/100%
CTLIN to VOUT Gain
13.90
13.95
14.00
TA = 0°C to +85°C
VPS = +18V (Note 3)
ppm/°C
±11
±30
TCOUT
Output Voltage
Temperature Coefficient
TA = 0°C to +85°C
±18
±65
TA = -40°C to +85°C
mA
0.5
2.5
IOUT
Maximum Output Current
V
1.178
1.228
1.278
VTC
TC Output Voltage
TA = +25°C
mV/°C
15.5
16.5
17.5
TCTC
TC Output Temperature
Coefficient (Note 3)
TA = 0°C to +85°C
14.5
16.5
18.5
TA = -40°C to +85°C
µA
±50
ITC
TC Output Current
TA = 0°C to +85°C
2.35
2.52
TA = -40°C to +85°C
13.60
14.20
V
1.215
1.228
1.241
VFB
Feedback Set Voltage (FB)
TA = +25°C
1.200
1.256
TA = -40°C to +85°C
mV
90
122
150
VMODE
FB Mode Threshold
nA
550
IFB
FB Bias Current
VFB = +1.25V
V
2
VIH
CTLIN High Voltage
VIN = +5.5V
1.3
VIN = +2.7V


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