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ADP1073 Datasheet(PDF) 2 Page - Analog Devices

Part No. ADP1073
Description  Micropower DC.DC Converter Adjustable and Fixed 3.3 V, 5 V, 12 V
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADP1073 Datasheet(HTML) 2 Page - Analog Devices

 
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–2–
REV. 0
ADP1073–SPECIFICATIONS (@ T
A = 0 C to +70 C, VIN = 1.5 V unless otherwise noted)
Parameter
Conditions
Symbol
Min
Typ
Max
Units
QUIESCENT CURRENT
Switch Off
IQ
100
165
µA
QUIESCENT CURRENT, STEP-UP
No Load, ADP1073-3.3
IQ
100
µA
MODE CONFIGURATION
ADP1073-5
100
µA
ADP1073-12, TA = +25
°C
100
µA
INPUT VOLTAGE
Step-Up Mode
VIN
1.15
12.6
V
Step-Up Mode, TA = +25
°C
1.0
12.6
V
Step-Down Mode
30
V
COMPARATOR TRIP POINT VOLTAGE
ADP10731
200
212
222
mV
OUTPUT SENSE VOLTAGE
ADP1073-3.32
VOUT
3.14
3.30
3.47
V
ADP1073-52
4.75
5.00
5.25
V
ADP1073-122
11.4
12.00
12.6
V
COMPARATOR HYSTERESIS
ADP1073
5
10
mV
OUTPUT HYSTERESIS
ADP1073-3.3
90
130
mV
ADP1073-5
125
250
mV
ADP1073-12
300
600
mV
OSCILLATOR FREQUENCY
fOSC
14
19
24
kHz
MAXIMUM DUTY CYCLE
Full Load (VFB < VREF)
DC
577280
%
SWITCH ON TIME
tON
28
38
50
µs
FEEDBACK PIN BIAS CURRENT
ADP1073 VFB = 0 V
IFB
60
300
nA
SET PIN BIAS CURRENT
VSET = VREF
ISET
100
220
nA
AO OUTPUT LOW
IAO = 100
µAV
AO
0.15
0.4
V
REFERENCE LINE REGULATION
1.0 V
≤ V
IN
≤ 1.5 V
0.35
%/V
1.5 V
≤ V
IN
≤ 12 V
0.05
0.15
%/V
SWITCH SATURATION VOLTAGE
VIN = 1.5 V, ISW = 400 mA, +25
°CV
CESAT
300
450
mV
STEP-UP MODE
TMIN to TMAX
600
mV
VIN = 1.5 V, ISW = 500 mA, +25
°C
400
550
mV
TMIN to TMAX
750
mV
VIN = 5 V, ISW = 1 A, +25
°C
700
1000
mV
TMIN to TMAX
1500
mV
A2 ERROR AMP GAIN
RL = 100 k
3
AV
400
1000
V/V
REVERSE BATTERY CURRENT4
TA = +25
°CI
REV
750
mA
CURRENT LIMIT
220
Ω Between I
LIM and VIN
TA = +25°CILIM
400
mA
CURRENT LIMIT TEMPERATURE
COEFFICIENT
–0.3
%/
°C
SWITCH-OFF LEAKAGE CURRENT
Measured at SW1 Pin
TA = +25
°CI
LEAK
115
µA
MAXIMUM EXCURSION BELOW GND
ISW1 ≤ 10 µA, Switch Off
TA = +25°CVSW2
–400
–350
mV
NOTES
1This specification guarantees that both the high and low trip point of the comparator fall within the 200 mV to 222 mV range.
2This specification guarantees that the output voltage of the fixed versions will always fall within the specified range. The waveform at the sense pin will exhibit a
sawtooth shape due to the comparator hysteresis.
3100 k
Ω resistor connected between a 5 V source and the AO pin.
4The ADP1073 is guaranteed to withstand continuous application of +1.6 V applied to the GND and SW2 pins while V
IN, ILIM and SW1 pins are grounded.
All limits at temperature extremes are guaranteed via correlation using standard Quality Control methods.
Specifications subject to change without notice.


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