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Typical operating characteristics (continued) – Rainbow Electronics MAX8719 User Manual

Page 6

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MAX8718/MAX8719

High-Voltage, Low-Power Linear Regulators for
Notebook Computers

6

_______________________________________________________________________________________

150

160

155

170

165

175

180

-40

20

40

-20

0

60

80

100

PGOOD ACTIVE-TIMEOUT PERIOD

vs. TEMPERATURE

MAX8718/9 toc13

TEMPERATURE (°C)

PGOOD ACTIVE-TIMEOUT PERIOD (ms)

Typical Operating Characteristics (continued)

(Circuit of Figure 1. V

IN

= 15V, V

OUT

= 3.3V, T

A

= +25°C, unless otherwise noted.)

TIME TO EXIT SHUTDOWN

MAX8718/9 toc09

100

µs/div

V

OUT

0V

+5V

V

IN

= 15V

SHDN
5V/div

0

40

20

60

120

140

100

80

160

4.0

4.4 4.6 4.8 5.0

4.2

5.2 5.4 5.6 5.8 6.0

DROPOUT SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX8718/19 toc10

SUPPLY VOLTAGE (V)

DROPOUT SUPPLY CURRENT (

µ

A)

T

A

= +85

°C

T

A

= +25

°C

T

A

= -40

°C

0

100

50

200

150

300

250

350

0

40

20

60

80

10

50

30

70

90 100

DROPOUT VOLTAGE vs. LOAD CURRENT

MAX8718/9 toc11

LOAD CURRENT (mA)

DROPOUT VOLTAGE (mV)

PGOOD TRANSIENT RESPONSE

MAX8718/9 toc12

40ms/div

V

CC

PGOOD

+5V

0V

0V

+5V