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MAX868EUB Datasheet(PDF) 2 Page - Maxim Integrated Products

Part # MAX868EUB
Description  Regulated, Adjustable -2x Inverting Charge Pump
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX868EUB Datasheet(HTML) 2 Page - Maxim Integrated Products

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Regulated, Adjustable -2x
Inverting Charge Pump
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VIN = +3.3V, SHDN = IN, C1 = C2 = 0.22µF, CIN = 1µF, COUT = 10µF, TA = 0°C to +85°C, unless otherwise noted. Typical values
are at TA = +25°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.
IN to GND .................................................................-0.3V to +6V
OUT to GND ...........................................................+0.3V to -12V
IN to OUT.................................................................-0.3V to -17V
C1+ to GND ........................................(VIN - 12V) to (VIN + 0.3V)
C1- to GND.............................................................+0.3V to -12V
C2+ to GND ....................................................(VIN + 0.3V) to -6V
C2- to GND...............................................................+0.3V to -6V
SHDN, FB to GND .......................................-0.3V to (VIN + 0.3V)
PGND to GND .......................................................-0.3V to +0.3V
Output Current ....................................................................35mA
Short-Circuit Duration.................................................Continuous
Continuous Power Dissipation (TA = +70°C)
10-pin µMAX (derate 5.6mW/°C above +70°C) ...........444mW
Operating Temperature Range
MAX868EUB ....................................................-40°C to +85°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
FB = IN
No load, VFB = -50mV
RL = 3kΩ to GND
VIN = 5.5V, SHDN = IN or GND
VIN = 1.8V to 5.5V
SHDN = GND (OUT pulls to GND)
VIN = 1.8V to 5.5V, TA = +25°C
IOUT = 5mA, FB = IN
No load, SHDN = GND
VFB = 50mV
Closed loop
VOUT = -5V
CONDITIONS
nA
-100
1
100
SHDN Input Bias Current
V
0.7VIN
VIH
SHDN Input Threshold
0.3VIN
VIL
nA
-50
1
50
FB Input Bias Current
mA
30
IOUT
Output Current
12
mA
5
IIN
Supply Current
µA
30
50
V
1.8
5.5
VIN
Supply-Voltage Range
mV
-30
30
15
50
ROUT
Open-Loop Output
Resistance
125
70
100
µA
0.1
1
IIN,SHDN
Shutdown Current
kHz
293
450
607
Oscillator Frequency
270
630
fOSC
0.2
ROUT,CL
Closed-Loop Output
Resistance
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
TA = +25°C
TA = 0°C to +85°C
TA = +25°C
TA = 0°C to +85°C
VIN = 3.3V, VOUT = -5V
VIN = 5V, VOUT = -3.3V
VIN = 1.8V to 5.5V
mV
-40
40
FB Trip Point
TA = 0°C to +85°C
TA = +25°C


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