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ADP1109 Datasheet(PDF) 2 Page - Analog Devices

Part No. ADP1109
Description  Micropower Low Cost Fixed 3.3 V, 5 V, 12 V and Adjustable DC-to-DC Converter
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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ADP1109 Datasheet(HTML) 2 Page - Analog Devices

   
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–2–
REV. 0
ADP1109–SPECIFICATIONS
Parameter
Conditions
Symbol
Min
Typ
Max
Units
QUIESCENT CURRENT
Switch Off
IQ
450
590
µA
INPUT VOLTAGE
VIN
29
V
COMPARATOR TRIP POINT
VOLTAGE
1.20
1.25
1.30
V
COMPARATOR HYSTERESIS
ADP1109
8
14
mV
OUTPUT VOLTAGE
ADP1109-3.3
2 V
≤ V
IN
≤ 3 V
VOUT
3.13
3.30
3.46
V
ADP1109-5
3 V
≤ V
IN
≤ 5 V
4.75
5.00
5.25
V
ADP1109-12
3 V
≤ V
IN
≤ 12 V
11.45
12.00
12.55
V
OUTPUT VOLTAGE RIPPLE
ADP1109-3.3
16
40
mV
ADP1109-5
20
50
mV
ADP1109-12
40
110
mV
OSCILLATOR FREQUENCY
TA = +25
°Cf
OSC
100
120
140
kHz
90
155
kHz
DUTY CYCLE
Full Load
DC
40
50
70
%
SWITCH-ON TIME
TA = +25
°Ct
ON
3.1
4.2
5.9
µs
3.0
6.5
µs
SWITCH SATURATION VOLTAGE
ISW = 500 mA
VCESAT
ADP1109-3.3
VIN = 3 V
0.4
0.8
V
ADP1109-5
VIN = 3 V
0.4
0.8
V
ADP1109-12
VIN = 5 V
0.4
0.8
V
SWITCH LEAKAGE CURRENT
VSW = 12 V, TA = +25°C1
10
µA
SHUTDOWN PIN HIGH
VIH
2.0
V
SHUTDOWN PIN LOW
VIL
0.8
V
SHUTDOWN PIN INPUT CURRENT
VSHUTDOWN = 2 V
IIH
10
µA
SHUTDOWN PIN INPUT CURRENT
VSHUTDOWN = 0.8 V
IIL
20
µA
NOTES
All limits at temperature extremes are guaranteed via correlation using standard quality control methods.
Specifications subject to change without notice.
(0 C
≤ T
A
≤ +70 C, V
IN = 3 V unless otherwise noted)
SW
GND
ADP1109-5
+
1N5818
22 F
16V
SENSE
L1
15 H
L1 = CTX15-1
VIN = 2V
VIN
300mA
at 3V INPUT
50mA
at 2V INPUT
+5V
Figure 1. 2 V to 5 V Converter
SW
GND
ADP1109-12
+
1N5818
10 F
20V
SENSE
L1
15 H
L1 = CTX15-1
VIN = 2V
VIN
40mA
at 3V INPUT
10mA
at 2V INPUT
+12V
Figure 2. 2 V to 12 V Converter
SW
GND
ADP1109-12
+
1N5818
22 F
16V
SENSE
L1
15 H
L1 = CTX15-1
VIN = 2V
VIN
300mA
at 3V INPUT
50mA
at 2V INPUT
+5V
SHUTDOWN
SHUTDOWN
Figure 3. 2 V to 5 V Converter
With Shutdown


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