LTC2932 datasheet(3/16 Pages) LINER

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LTC2932

2932fb

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VRT25

2.5V, 5% Reset Threshold

2.5V, 7.5% Reset Threshold

2.5V, 10% Reset Threshold

2.5V, 12.5% Reset Threshold

V2, V3 Input Threshold

●

2.300

2.238

2.175

2.113

2.338

2.275

2.213

2.150

2.375

2.313

2.250

2.188

VRT18

1.8V, 5% Reset Threshold

1.8V, 7.5% Reset Threshold

1.8V, 10% Reset Threshold

1.8V, 12.5% Reset Threshold

V3, V4 Input Threshold

●

1.656

1.611

1.566

1.521

1.683

1.638

1.593

1.548

1.710

1.665

1.620

1.575

VRT15

1.5V, 5% Reset Threshold

1.5V, 7.5% Reset Threshold

1.5V, 10% Reset Threshold

1.5V, 12.5% Reset Threshold

V3, V4 Input Threshold

●

1.380

1.343

1.305

1.268

1.403

1.365

1.328

1.290

1.425

1.388

1.350

1.313

VRTA

ADJ, 5% Reset Threshold

ADJ, 7.5% Reset Threshold

ADJ, 10% Reset Threshold

ADJ, 12.5% Reset Threshold

V3, V4, V5, V6 Input Threshold

●

492.5

479.4

466.3

453.1

500.0

486.6

473.3

459.9

507.5

494

480.4

466.8

VRTAN

–ADJ Reset Threshold

V4 Input Threshold

●

–18

VREF

Reference Voltage

VCC ≥ 2.3V, IVREF = ±1mA, CREF ≤ 1000pF

T0 Low, T1 Low

T0 Low, T1 High

T0 High, T1 Low

T0 High, T1 High

●

1.192

1.160

1.128

1.096

1.210

1.178

1.146

1.113

1.228

1.195

1.163

1.130

VPG

Mode Selection Voltage Range

VCC ≥ VCCMINP

●

0VREF

IVPG

VPG Input Current

VPG = VREF

●

±20

IV1

V1 Input Current

V1 = 5V, IVREF = 12μA (Note 4)

●

μA

IV2

V2 Input Current

V2 = 3.3V

●

0.8

μA

IV3

V3 Input Current

V3 = 2.5V

V3 = 0.55V (ADJ Mode)

●

0.52

1.2

±15

μA

IV4

V4 Input Current

V4 = 1.8V

V4 = 0.55V (ADJ Mode)

V4 = –0.02V (–ADJ Mode)

●

0.34

0.8

±15

μA

IV5, IV6

V5, V6 Input Current

V5, V6 = 0.55V

●

±15

ICRT(UP)

CRT Pull-Up Current

VCRT = GND

●

–1.4

–2

–2.6

μA

ICRT(DN)

CRT Pull-Down Current

VCRT = 1.3V

●

μA

ICOMPn

COMPn Pull-Up Current

VCOMPn = GND

●

–2

–6

–12

μA

tRST

Reset Timeout Period

CRT = 1500pF

●

234

tUV

Vn Undervoltage Detect to RST or

COMPn

Vn Less Than Reset Threshold by More

than 1%

150

μs

VOL

Voltage Output Low RST, COMPn

ISINK = 3mA, VCC = 3V

ISINK = 100μA, VCC = 1V

●

0.15

0.05

0.4

0.3

VOH

Voltage Output High RST, COMPn

(Note 5)

ISOURCE = –1μA

●

V2-1

ELECTRICAL CHARACTERISTICS The ● denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. VCC = 5V, unless otherwise speciﬁed. (Note 3)

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