ADP1720_15 datasheet(3/16 Pages) AD

Numer części	ADP1720

Szczegółowy opis	50 mA, High Voltage, Micropower Linear Regulator

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ADP1720

Rev. A | Page 3 of 16

SPECIFICATIONS

VIN = 12 V, IOUT = 100 μA, CIN = COUT = 1 μF, TA = 25°C, unless otherwise noted.

Table 1.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

INPUT VOLTAGE RANGE

VIN

TJ = –40°C to +125°C

4

28

V

OPERATING SUPPLY CURRENT

IGND

IOUT = 0 μA

28

μA

IOUT = 0 μA, VIN = VOUT + 0.5 V or 4 V (whichever is

greater), TJ = –40°C to +125°C

80

μA

IOUT = 100 μA

35

μA

IOUT = 100 μA, VIN = VOUT + 0.5 V or 4 V (whichever is

greater), TJ = –40°C to +125°C

120

μA

IOUT = 1 mA

74

μA

IOUT = 1 mA, VIN = VOUT + 0.5 V or 4 V (whichever is

greater), TJ = –40°C to +125°C

340

μA

IOUT = 10 mA

300

μA

IOUT = 10 mA, VIN = VOUT + 0.5 V or 4 V (whichever is

greater), TJ = –40°C to +125°C

900

μA

100 μA < IOUT < 50 mA, VIN = VOUT + 0.5 V or 4 V

(whichever is greater), TJ = –40°C to +125°C

1185

2115

μA

SHUTDOWN CURRENT

IGND-SD

EN = GND

0.7

μA

EN = GND, TJ = –40°C to +125°C

1.5

μA

OUTPUT

Fixed Output

VOUT

IOUT = 100 μA

–0.5

+0.5

%

Voltage Accuracy

100 μA < IOUT < 50 mA

–1

+1

%

100 μA < IOUT < 50 mA, TJ = –40°C to +125°C

–2

+2

%

Adjustable Output1

VOUT

IOUT = 100 μA

1.2188

1.2250

1.2311

V

Voltage Accuracy

100 μA < IOUT < 50 mA

1.2127

1.2372

V

100 μA < IOUT < 50 mA, TJ = –40°C to +125°C

1.2005

1.2495

V

Noise (10 Hz to 100 kHz)

OUTNOISE

VOUT = 1.6 V, COUT = 1 μF

146

μV rms

VOUT = 1.6 V, COUT = 10 μF

124

μV rms

VOUT = 5 V, COUT = 1 μF

340

μV rms

VOUT = 5 V, COUT = 10 μF

266

μV rms

REGULATION

Line Regulation

∆VOUT/∆VIN

VIN = (VOUT + 0.5 V) to 28 V, TJ = –40°C to +125°C

–0.02

+0.02

%/ V

Load Regulation2

∆VOUT/∆IOUT

1 mA < IOUT < 50 mA

0.001

%/mA

1 mA < IOUT < 50 mA, TJ = –40°C to +125°C

0.005

%/mA

DROPOUT VOLTAGE3

VDROPOUT

IOUT = 10 mA

55

mV

IOUT = 10 mA, TJ = –40°C to +125°C

105

mV

IOUT = 50 mA

275

mV

IOUT = 50 mA, TJ = –40°C to +125°C

480

mV

START-UP TIME4

TSTART-UP

200

μs

CURRENT LIMIT THRESHOLD5

ILIMIT

55

90

140

mA

THERMAL CHARACTERISTICS

Thermal Shutdown

Threshold

TSSD

TJ rising

150

°C

Thermal Shutdown

Hysteresis

TSSD-HYS

15

°C

EN CHARACTERISTICS

EN Input

Logic High

VIH

4 V ≤ VIN ≤ 28 V

1.8

V

Logic Low

VIL

4 V ≤ VIN ≤ 28 V

0.4

V

Leakage Current

VI-LEAKAGE

EN = GND

0.1

1

μA

EN = IN

0.5

1

μA

ADJ INPUT BIAS CURRENT

(ADP1720 ADJUSTABLE)

ADJI-BIAS

30

100

nA

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