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ADP1110 Datasheet(PDF) 2 Page - Analog Devices

Part No. ADP1110
Description  Micropower, Step-Up/Step-Down Switching Regulator; 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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ADP1110 Datasheet(HTML) 2 Page - Analog Devices

 
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–2–
REV. 0
ADP1110–SPECIFICATIONS
Parameter
Conditions
VS
Min
Typ
Max
Units
QUIESCENT CURRENT
Switch Off
IQ
300
µA
INPUT VOLTAGE
Step-Up Mode
VIN
1.15
12.6
V
Step-Down Mode
30
V
COMPARATOR TRIP POINT VOLTAGE
ADP11101
210
220
230
mV
OUTPUT SENSE VOLTAGE
ADP1110-3.3
2
VOUT
3.13
3.30
3.47
V
ADP1110-52
4.75
5.00
5.25
V
ADP1110-12
2
11.4
12.00
12.6
V
COMPARATOR HYSTERESIS
ADP1110
4
8
mV
OUTPUT HYSTERESIS
ADP1110-3.3
66
130
mV
ADP1110-5
90
180
mV
ADP1110-12
200
400
mV
OSCILLATOR FREQUENCY
fOSC
52
70
90
kHz
DUTY CYCLE
Full Load (VFB < VREF)DC
62
69
78
%
SWITCH ON TIME
tON
7.5
10
12.5
µs
FEEDBACK PIN BIAS CURRENT
ADP1110 VFB = 0 V
IFB
150
240
nA
SET PIN BIAS CURRENT
VSET = VREF
ISET
300
500
nA
A0 OUTPUT LOW
IAO = 300 µAVAO
0.15
0.4
V
VSET = 150 mV
REFERENCE LINE REGULATION
1.0 V
≤ V
IN ≤ 1.5 V
0.35
%/V
1.5 V
≤ V
IN
≤ 12 V
0.05
0.1
%/V
SWITCH SATURATION VOLTAGE
VIN = 1.5 V, ISW = 400 mA, +25
°CV
CESAT
300
500
mV
STEP-UP MODE
TMIN to TMAX
600
mV
VIN = 1.5 V, ISW = 500 mA, +25°C
400
650
mV
TMIN to TMAX
750
mV
VIN = 5 V, ISW = 1 A, +25
°C
700
1000
mV
A2 ERROR AMP GAIN
RL = 100 k
3
AV
1000
5000
V/V
REVERSE BATTERY CURRENT
TA = +25°C
4
IREV
750
mA
CURRENT LIMIT TEMPERATURE
VIN, TA = +25
°C
–0.3
%/
°C
COEFFICIENT
SWITCH OFF LEAKAGE CURRENT
Measured at SW1 Pin,
ILEAK
110
µA
TA = +25
°C
MAXIMUM EXCURSION BELOW GND
ISW1 ≤ 10 µA, Switch Off
VSW2
–400
–350
mV
TA = +25
°C
NOTES
1This specification guarantees that both the high and low trip point of the comparator fall within the 210 mV to 230 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 saw-
tooth shape due to the comparator hysteresis.
3100 k
Ω resistor connected between a 5 V source and the AO pin.
4The ADP1110 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.
5All limits at temperature extremes are guaranteed via correlation using standard statistical quality control methods.
Specifications subject to change without notice.
(0 C to +70 C, VIN = 1.5 V unless otherwise noted)


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