RH1573K-DICE datasheet(2/4 Pages) LINER

Part #	RH1573K-DICE

Description	Low Dropout PNP Regulator Driver

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Manufacturer	LINER [Linear Technology]

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RH1573K DICE

2

rh1573kdicef

TABLE 1: ELECTRICAL CHARACTERISTICS (Preirradiation)

PARAMETER

CONDITIONS

NOTES

TA = 25°C

SUB-

GROUP

–55°C ≤ TA ≤ 125°C

SUB-

GROUP

UNITS

MIN

TYP

MAX

MIN

TYP

MAX

Reference Voltage

IDRIVE = 20mA, TJ = 25°C

2

1.252

1.265

1.278

1

V

5mA < IDRIVE < 250mA, 3V < VIN

< 7V, 1.5V < VDRIVE < 7V

2

1.225

1.265

1.305

2, 3

V

Line Regulation (VFB)IDRIVE = 20mA, 3V < VIN < 7V

0.17

2

1

2

2, 3

mV

Load Regulation (VFB)ΔIDRIVE = 20mA to 250mA

18

1

40

2, 3

mV

FB Pin Bias Current

VFB = 1.265V

0.8

4

1

6

2, 3

μA

DRIVE Pin Current

VFB = 1.35V, VDRIVE = 7V

VFB = 1.15V, VDRIVE = 1.5V

290

1.2

1

230

2

2, 3

mA

DRIVE Pin Saturation Voltage

IDRIVE = 20mA, VFB = 1.15V

IDRIVE = 250mA, VFB = 1.15V

0.12

0.73

0.2

1.0

1

0.3

1.4

2, 3

V

SHDN Pin Threshold Voltage

1

1.3

1.5

1

1.6

2, 3

V

SHDN Pin Current

VSHDN = 5V

200

300

1

350

2, 3

μA

LATCH Pin Latch-Off Threshold

Voltage

1

1.4

1.8

1

0.8

2.3

2, 3

V

LATCH Pin Charging Current

4

7

10

1

2

14

2, 3

μA

LATCH Pin Latching Current

0.65

0.85

1

0.85

2, 3

mA

VIN – VOUT Differential Threshold

for Latch Disable

0.55

0.7

0.8

1

0.4

1.1

2, 3

V

Input Quiescent Current

VIN = 7V

1.7

2.8

1

3.5

2, 3

mA

Minimum Input Voltage for Bias

Operation

2.4

1

2.8

2, 3

V

TABLE 2: ELECTRICAL CHARACTERISTICS (Postirradiation)

PARAMETER

CONDITIONS

NOTES

10KRAD(Si)

20KRAD(Si)

50KRAD(Si)

100KRAD(Si) 200KRAD(Si)

UNITS

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

Reference Voltage

IDRIVE = 20mA, TJ = 25°C

2

1.252 1.278 1.252 1.278 1.249 1.281 1.245 1.285 1.239 1.291

V

Line Regulation (VFB)IDRIVE = 20mA, 3V < VIN < 7V

2.1

2.2

2.5

3

4

mV

Load Regulation (VFB)IDRIVE= 20mA to 250mA

19

20

22

25

30

mV

FB Pin Bias Current

VFB = 1.265V

4.2

4.5

5

6

7

μA

DRIVE Pin Current

VFB = 1.35V, VDRIVE = 7V

VFB = 1.15V, VDRIVE = 1.5V

290

1.3

288

1.4

285

1.7

275

2.2

260

3mA

mA

DRIVE Pin Saturation

Voltage

IDRIVE = 20mA, VFB = 1.15V

IDRIVE = 250mA, VFB = 1.15V

0.2

1

0.21

1.02

0.23

1.05

0.25

1.1

0.3

1.2

V

SHDN Pin Threshold

Voltage

1

1.5

1

1.5

1

1.52

1

1.55

1

1.6

V

SHDN Pin Current

VSHDN = 5V

300

μA

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