LTC2919HDDB-3.3-TRPBF データシートの表示（PDF） - Linear Technology

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LTC2919HDDB-3.3-TRPBF

Precision Triple/Dual Input UV, OV and Negative Voltage Monitor

Linear Technology 

LTC2919

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

temperature range, otherwise specifications are at TA = 25°C. VCC = 2.5V (LTC2919-2.5), VCC = 3.3V (LTC2919-3.3), VCC = 5V

(LTC2919-5), ADJ1 = ADJ2 = 0.55V, SEL = floating, unless otherwise noted. (Note 2)

SYMBOL

VCC(MIN)

VCC(SHUNT)

ICC

VRT

PARAMETER

Operating Supply Voltage

VCC Shunt Regulation Voltage

VCC Input Current

ADJ Input Threshold

CONDITIONS

RST, OUT1, OUT2 in Correct State

ICC = 1mA, IREF = 0

2.175V < VCC < 6V (C-Grade, I-Grade)

2.175V < VCC < 6V (H-Grade)

ΔVRT

IADJ

VCC(UVLO)

ΔVCC(UVLO)

VREF

ADJ Hysteresis (Note 4)

ADJ Input Current

VCC –10% UVLO Threshold

UVLO Hysteresis (Note 4)

Buffered Reference Voltage

TMR = VCC

VADJ = 0.55V (C-Grade, I-Grade)

VADJ = 0.55V (H-Grade)

LTC2919-2.5

LTC2919-3.3

LTC2919-5

TMR = VCC

VCC > 2.175V, IREF = ±1mA

ITMR(UP)

ITMR(DOWN)

tRST(EXT)

tRST(INT)

VTMR(DIS)

TMR Pull-Up Current

TMR Pull-Down Current

Reset Timeout Period, External

Reset Timeout Period, Internal

Timer Disable Voltage

VTMR = 1V

VTMR = 1V

CTMR = 2.2nF

VTMR = 0V

VTMR Rising

ΔVTMR(DIS)

VTMR(INT)

ΔVTMR(INT)

tPROP

tUV

VOL

Timer Disable Hysteresis

Timer Internal Mode Voltage

Timer Internal Mode Hysteresis

ADJx Comparator Propagation Delay to

OUTX

VCC Undervoltage Detect to RST

Output Voltage Low

IOH

Output Voltage High Leakage

Three-State Input SEL

VIL

Low Level Input Voltage

VIH

High Level Input Voltage

VZ

Pin Voltage when Left in Open State

VTMR Falling

VTMR Falling

VTMR Rising

ADJx Driven Beyond Threshold (VRTX) by

5mV

VCC Less Than UVLO Threshold

(VCC(UVLO)) by 1%

VCC = 0.5V, I = 5μA

VCC = 1V, I = 100μA

VCC = 3V, I = 2500μA

Output = VCC (C-Grade, I-Grade)

Output = VCC (H-Grade)

ISEL = 0μA

MIN

● 0.5

● 6.0

●

●

495.0

● 492.5

1.5

●

●

● 2.175

● 2.871

● 4.350

0.3

0.990

● 0.985

● –1.5

● 1.5

● 15

● 140

● VCC

– 0.40

● 40

● 0.10

● 40

● 50

● 50

●

0

●

0

●

0

●

●

●

0

● 1.4

0.8

TYP

6.5

50

50

500

500

3.5

0

0

2.213

2.921

4.425

0.7

1.000

1.000

–2.2

2.2

20

200

VCC

– 0.20

100

0.20

100

150

150

0.01

0.01

0.10

0

0

0.9

MAX

7.1

220

280

505.0

507.5

10.0

±15

±40

2.250

2.970

4.500

2.0

1.010

1.015

–2.9

2.9

27

280

VCC

– 0.10

160

0.40

160

800

800

0.15

0.15

0.30

±1

±5

0.4

VCC

1.0

UNITS

V

V

μA

μA

mV

mV

mV

nA

nA

V

V

V

%

V

V

μA

μA

ms

ms

V

mV

V

mV

μs

μs

V

V

V

μA

μA

V

V

V

2919f

3

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