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ADP1173 Datasheet(PDF) 2 Page - Analog Devices

Part # ADP1173
Description  Micropower DC-DC Converter
PDF  16 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP1173 Datasheet(HTML) 2 Page - Analog Devices

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ADP1173–SPECIFICATIONS (@ T
A = 0 C to +70 C, VIN = 3 V unless otherwise noted)
Model
Symbol
Conditions
Min
Typ
Max
Units
QUIESCENT CURRENT
IQ
Switch Off
110
150
µA
QUIESCENT CURRENT, BOOST MODE
IQ
No Load, TA = +25
°C
CONFIGURATION
ADP1173-3.3
135
µA
ADP1173-5
135
µA
ADP1173-12
250
µA
INPUT VOLTAGE
VIN
Step-Up Mode
2.0
12.6
V
Step-Down Mode
30
V
COMPARATOR TRIP POINT VOLTAGE
ADP1173
1
1.20
1.245
1.30
V
OUTPUT SENSE VOLTAGE
VOUT
ADP1173-3.3
2
3.14
3.30
3.46
V
ADP1173-5
2
4.75
5.00
5.25
V
ADP1173-12
2
11.4
12.0
12.6
V
COMPARATOR HYSTERESIS
ADP1173
5
12
mV
OUTPUT HYSTERESIS
ADP1173-3.3
13
35
mV
ADP1173-5
20
55
mV
ADP1173-12
50
100
mV
OSCILLATOR FREQUENCY
fOSC
16
24
32
kHz
DUTY CYCLE
Full Load
43
55
63
%
SWITCH ON TIME
tON
ILIM Tied to VIN
15
23
32
µs
FEEDBACK PIN BIAS CURRENT
ADP1173, VFB = 0 V
60
290
nA
SET PIN BIAS CURRENT
VSET = VREF
70
150
nA
GAIN BLOCK OUTPUT LOW
VOL
ISINK = 100
µA, V
SET = 1.00 V
0.15
0.4
V
REFERENCE LINE REGULATION
2.0 V
≤ V
IN
≤ 5 V
0.2
0.4
%/V
5 V
≤ V
IN ≤ 30 V
0.02
0.075
%/V
SWSAT VOLTAGE, STEP-UP MODE
VSAT
VIN = 3.0 V, ISW = 650 mA
0.5
0.85
V
VIN = 5.0 V, ISW = 1 A,
TA = +25
°C
0.8
1.0
V
VIN = 5.0 V, ISW = 1 A
1.4
V
SWSAT VOLTAGE, STEP-DOWN MODE
VSAT
VIN = 12 V, TA = +25
°C,
ISW = 650 mA
1.1
1.5
V
VIN = 12 V, ISW = 650 mA
1.7
V
GAIN BLOCK GAIN
AV
RL = 100 k
Ω3
400
1000
V/V
CURRENT LIMIT
220
Ω from I
LIM to VIN
400
mA
TA = +25°C
CURRENT LIMIT TEMPERATURE
COEFFICIENT
–0.3
%/
°C
SWITCH-OFF LEAKAGE CURRENT
Measured at SW1 Pin
1
10
µA
TA = +25°C
MAXIMUM EXCURSION BELOW GND
VSW2
ISW1
≤ 10 µA, Switch Off
–400
–350
mV
TA = +25°C
NOTES
1This specification guarantees that both the high and low trip points of the comparator fall within the 1.20 V to 1.30 V range.
2The output voltage waveform will exhibit a sawtooth shape due to the comparator hysteresis. The output voltage on the fixed output versions will always be within
the specified range.
3100 k
Ω resistor connected between a 5 V source and the AO pin.
Specifications subject to change without notice.



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