ADP1109A datasheet(2/8 Pages) AD

部品番号	ADP1109A

部品情報	Micropower Low Cost Fixed 3.3 V, 5 V, 12 V and Adjustable DC-to-DC Converter

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ADP1109A–SPECIFICATIONS

Parameter

Conditions

VS

Min

Typ

Max

Units

QUIESCENT CURRENT

Switch Off

IQ

460

580

µA

INPUT VOLTAGE

VIN

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

IN ≤ 3 V

VOUT

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

fOSC

95

120

155

kHz

DUTY CYCLE

Full Load

DC

57

67

77

%

SWITCH-ON TIME

tON

3.8

5.6

7.4

µs

SWITCH SATURATION VOLTAGE

ISW = 500 mA

VCESAT

ADP1109A-3.3

VIN = 3 V

0.4

0.8

V

ADP1109A-5

VIN = 3 V

0.4

0.8

V

ADP1109A-12

VIN = 3 V

0.4

0.8

V

SWITCH LEAKAGE CURRENT

VSW = 9 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 = 4 V

IIH

10

µA

SHUTDOWN PIN INPUT CURRENT

VSHUTDOWN = 0 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)

ABSOLUTE MAXIMUM RATINGS*

Supply Voltage, V

OUT . . . . . . . . . . . . . . . . . . . .

–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.

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