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ADP3031 Datasheet(PDF) 2 Page - Analog Devices

No. de pieza ADP3031
Descripción Electrónicos  2 MHz PWM Boost Switching Regulator
PDF  8 Pages
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
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ADP3031 Datasheet(HTML) 2 Page - Analog Devices

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ADP3031–SPECIFICATIONS
1
Parameter
Symbol
Conditions
Min
Typ
Max
Units
SUPPLY
Input Voltage
V
IN
2.5
5.5
V
Quiescent Current
Switching State
3
I
QSW
f = 600 kHz, light load
2
5
mA
Non-switching State
I
Q
300
500
µA
Shutdown
I
SD
1µA
ERROR AMPLIFIER
Feedback Voltage
V
FB
TBD
1.233
TBD
V
Line Regulation
V
IN = 2.5 V to 5.5 V
–0.1
+0.1
%/V
Bias Current
100
nA
Overall Regulation
Line, Load, Temp
–3
3
%
Transconductance
g
m
100
µA/V
Gain
A
V
1000
V/V
SWITCH
On Resistance
R
ON
at I
SW=1.5 A, VIN = 3.3 V
200
300
m
Ω
Output Load Current
2
I
LOAD
continuous operation
200
300
mA
V
IN = 3.3 V,VOUT =10 V
Leakage Current
V
SWITCH = 12 V
5
µA
Efficiency
2
I
LOAD = 200 mA,
85
%
V
OUT = 10 V, f = 600 kHz
Efficiency
2
I
LOAD = 100 mA,
90
%
V
OUT = 10 V, f = 600 kHz
Peak Current Limit
I
CLSET
1.5
1.8
A
Output Voltage Range
V
OUT
37
12
V
OSCILLATOR
Oscillator Frequency
FOSC
RT = Open
0.5
0.6
0.7
MHz
RT = GND
1.7
2
2.3
MHz
Maximum Duty Cycle
D
MAX
COMP = open, FB = 1 V
80
85
%
SHUTDOWN
Shutdown Input Voltage Low
0.8
V
Shutdown Input Voltage High
2.2
V
UNDER-VOLTAGE LOCKOUT
UVLO Threshold
2.2
2.45
2.5
V
UVLO Hysteresis
100
mV
NOTES
1 All limits at temperature extremes are guaranteed via correlation and characterization using standard Statistical Quality Control (SQC).
2 See Figure xx.
3 This is the average current while switching.
Specifications subject to change without notice.
REV. PrB
–2–
(VIN = +3.3 V, T
A = –40°C to 85°C, unless otherwise noted)
PRELIMINARY TECHNICAL DATA



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