ADP1109A Analog Devices, ADP1109A Datasheet - Page 2

• Manufacturer Part Number: ADP1109A
• Description: Micropower Low Cost Fixed 3.3 V/ 5 V/ 12 V and Adjustable DC-to-DC Converter
• Manufacturer: Analog Devices

ADP1109A–SPECIFICATIONS
Parameter
QUIESCENT CURRENT
INPUT VOLTAGE
COMPARATOR TRIP POINT
COMPARATOR HYSTERESIS
OUTPUT VOLTAGE
OUTPUT VOLTAGE RIPPLE
OSCILLATOR FREQUENCY
DUTY CYCLE
SWITCH-ON TIME
SWITCH SATURATION VOLTAGE
SWITCH LEAKAGE CURRENT
SHUTDOWN PIN HIGH
SHUTDOWN PIN LOW
SHUTDOWN PIN INPUT CURRENT
SHUTDOWN PIN INPUT CURRENT
NOTES
All limits at temperature extremes are guaranteed via correlation using standard quality control methods.
Specifications subject to change without notice.
ABSOLUTE MAXIMUM RATINGS*
Supply Voltage, V
SW Pin Voltage . . . . . . . . . . . . . . . . . . . . . . . . –0.4 V to 50 V
Shutdown Pin Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . 6.0 V
Switch Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 A
Maximum Power Dissipation . . . . . . . . . . . . . . . . . . 300 mW
Operating Temperature Range . . . . . . . . . . . . 0 C to +70 C
Storage Temperature Range . . . . . . . . . . . . –65 C to +150 C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . +300 C
*This is a stress rating only; operation beyond these limits can cause the device to
be permanently damaged.
VOLTAGE
ADP1109A-3.3
ADP1109A-5
ADP1109A-12
ADP1109A-3.3
ADP1109A-5
ADP1109A-12
OUT
. . . . . . . . . . . . . . . . . . . . –0.4 V to 20 V
Conditions
Switch Off
ADP1109A
2 V
2 V
2 V
ADP1109A-3.3
ADP1109A-5
ADP1109A-12
Full Load
I
V
V
V
V
V
V
SW
IN
IN
IN
SW
SHUTDOWN
SHUTDOWN
= 500 mA
= 3 V
= 3 V
= 3 V
= 9 V, T
V
V
V
IN
IN
IN
5 V
9 V
(0 C T
3 V
= 4 V
= 0 V
A
= +25 C
–2–
A
70 C, V
IN
= 3 V unless otherwise noted)
V
I
V
V
f
DC
t
V
V
V
I
I
OSC
ON
Q
IH
IL
IN
CESAT
S
OUT
IH
IL
Min
2
1.20
3.13
4.75
11.45
95
57
3.8
2.0
60
Typ
460
1.25
8
3.30
5.00
12.00
15
25
120
67
5.6
0.4
0.4
0.4
1
Max
580
9
1.30
12.5
3.47
5.25
12.55
35
50
120
155
77
7.4
0.8
0.8
0.8
10
0.8
10
20
REV. 0
Units
V
V
V
V
V
mV
mV
mV
kHz
%
V
V
V
V
V
mV
A
s
A
A
A