Electrical characteristics (continued) – Rainbow Electronics MAX8719 User Manual

Page 3

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MAX8718/MAX8719

High-Voltage, Low-Power Linear Regulators for

Notebook Computers

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(Circuit of Figure 1. V

IN

= 15V, I

OUT

= 5µA,

T

A

= 0°C to +85°C

. Typical values are at T

A

= +25°C, unless otherwise noted.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

V

IN

= 6V, T

A

= +25

°C

210

Output Current Limit

I

LIM

V

OUT

= 0, V

IN

= 6V

125

340

mA

Output Reverse Leakage Current

V

OUT

forced to 5.5V, IN = unconnected

70

µA

MAX8718

0.16

Capacitive Load Requirements

MAX8719

0.23

µF/mA

Startup Time Response

Rising edge of IN or SHDN to OUT within
spec limits, C

OUT

= 10µF, R

LOAD

= 500

Ω,

V

OUT

= 5V

1

ms

Startup Output Overshoot

C

OUT

= 10µF, R

LOAD

= 500

Ω, OUT within

90% of the nominal output voltage

0.5

%

T

A

= +25

°C, rising edge only

0.88

×

V

OUT

0.9

×

V

OUT

0.92

×

V

OUT

V

CC

Threshold (MAX8718)

0

°C < T

A

< +85

°C, rising edge only

0.85

×

V

OUT

0.9

×

V

OUT

0.95

×

V

OUT

V

T

A

= +25

°C, rising edge only

0.88

×

V

FB

0.9

×

V

FB

0.92

×

V

FB

V

CC

Threshold (MAX8719)

0

°C < T

A

< +85

°C, rising edge only

0.85

×

V

FB

0.9

×

V

FB

0.95

×

V

FB

V

V

CC

to PGOOD Delay

V

TH

to (V

TH

- 100mV)

4.5

µs

PGOOD Active-Timeout Period

100

185

300

ms

PGOOD Output Leakage Current

PGOOD = 5.5V, V

CC

= 5.5V

0.1

µA

PGOOD Output Low Voltage

I

SINK

= 1.6mA, V

CC

= GND

0.3

V

V

CC

Input Hysteresis

2

%

Thermal-Shutdown Threshold

V

SHDN

= 0 or 15V, 20

°C hysteresis

+165

°C

SHDN Input Low Voltage

0.25

V

SHDN Input High Voltage

1.4

V

SHDN Input Bias Current

V

SHDN

= 0 or 15V, T

A

= 0

°C to +85°C

-1

+0.1

+1

µA

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