–2–

REV. 0

ADP1109A–SPECIFICATIONS

Parameter

Conditions

Min

Typ

Max

Units

QUIESCENT CURRENT

Switch Off

460

580

µA

INPUT VOLTAGE

29

V

COMPARATOR TRIP POINT

VOLTAGE

1.20

1.25

1.30

V

COMPARATOR HYSTERESIS

ADP1109A

8

12.5

mV

OUTPUT VOLTAGE

ADP1109A-3.3

2 V

≤ V

3.13

3.30

3.47

V

ADP1109A-5

2 V

≤ V

IN

≤ 5 V

4.75

5.00

5.25

V

ADP1109A-12

2 V

≤ V

IN

≤ 9 V

11.45

12.00

12.55

V

OUTPUT VOLTAGE RIPPLE

ADP1109A-3.3

15

35

mV

ADP1109A-5

25

50

mV

ADP1109A-12

60

120

mV

OSCILLATOR FREQUENCY

95

120

155

kHz

DUTY CYCLE

Full Load

DC

57

67

77

%

SWITCH-ON TIME

3.8

5.6

7.4

µs

SWITCH SATURATION VOLTAGE

ADP1109A-3.3

0.4

0.8

V

ADP1109A-5

0.4

0.8

V

ADP1109A-12

0.4

0.8

V

SWITCH LEAKAGE CURRENT

°C1

10

µA

SHUTDOWN PIN HIGH

2.0

V

SHUTDOWN PIN LOW

0.8

V

SHUTDOWN PIN INPUT CURRENT

10

µA

SHUTDOWN PIN INPUT CURRENT

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

ABSOLUTE MAXIMUM RATINGS*

Supply Voltage, V

–0.4 V to 20 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.