Dc electrical characteristics (continued) – Rainbow Electronics MAX16999 User Manual

Page 3

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MAX16999

Ultra-Low Output Voltage, Low-Quiescent-Current

Linear Regulator for High-Temperature Applications

_______________________________________________________________________________________

3

Note 2: Limits are 100% production tested at T

A

= +25°C. Limits over the operating temperature range are guaranteed by design.

Note 3: Dropout voltage is defined as V

IN

- V

OUT

when V

OUT

is 2% below its value for V

IN

= V

OUT

+ 2V.

DC ELECTRICAL CHARACTERISTICS (continued)

(For devices with V

OUT

≤ 1.5V, V

IN

= 3.3V. For devices with V

OUT

> 1.5V, V

IN

= 5V. EN = IN, T

J

= -40°C to +125°C, C

IN

= 1µF, C

OUT

= 4.7µF, C

CRES

= 1000pF, unless otherwise noted. Typical values are at T

A

= +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

EN

Standby Current

I

STB

EN = GND

0.3

1

µA

Turn-On Delay

From EN = high to V

OUT

= 100mV

10

µs

EN

H

Circuit active

70

Logic Levels

EN

L

Circuit inactive

30

%V

IN

Pullup Resistance

R

EN-H

V

EN

= 75% V

IN

120

k

Ω

Pulldown Resistance

R

EN-L

V

EN

= 25% V

IN

120

k

Ω

RESET

Threshold Accuracy

V

RES

V

OUT

falling

79.5

82.5

85.5

%V

OUT

Threshold Hysteresis

V

RES,HYST

2.5

%V

OUT

RESET Open-Drain Leakage

RESET = high impedance, V

RESET

= 5mV

200

nA

Output Low Voltage

V

RES,OL

I

LOAD

= 250µA

100

mV

RESET T i m e o u t

t

R S OF F

CRES = GND

30

80

m s

O u tp u t D eg l i t c h T i m e

t

D E GL I T C H

V

OUT

< V

RES

30

µs

C R ES

Charge Current

I

CRES,UP

8

10

12

µA

Discharge Current

I

CRES,DN

1

mA

Threshold

V

CRES,THRS

RESET goes from low to high impedance

575

600

625

mV

T H E R M A L P R O T E C T I O N

T h er m al - S h u td o w n Te m p er a tu r e

T

S H D N

+ 1 65

° C

Thermal-Shutdown Hysteresis

ΔT

S H D N

1 5

° C

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