Rainbow-electronics MAX5079 Manual do Utilizador descarregar pdf (Página 4)

MAX5079

ORing MOSFET Controller with

Ultra-Fast 200ns Turn-Off

4 _______________________________________________________________________________________

Note 1: All devices are production tested at +25°C. Limits over temperature are guaranteed by design.

Note 2: Threshold is reached when charge pump turns off.

Note 3: Gate discharge current is guaranteed through the testing of gate fall time.

Note 4: V

switchover threshold is V

at which the gate-drive voltage (V

GATE

- V

) goes from 5V to 7V, V

rising and (V

≥ V

BUS

ELECTRICAL CHARACTERISTICS (continued)

((V

= 2.75V to 13.2V and V

AUXIN

= 0V) or (V

= 1V and V

AUXIN

= 2.75V to 13.2V), R

STH

= open, R

FTH

= 0, V

UVLO

= 1V, V

OVI

= 0V,

= -40°C to +85°C, unless otherwise noted. Typical values are at V

= 12V and T

= +25°C. See the Typical Operating Circuit.) (Note 1)

PARAMETER SYMBOL CONDITIONS

MIN

TYP

MAX

UNITS

Switchover Hysteresis

(Note 4)

IN_SOHYS

40 mV

External 70

Charge-Pump Frequency f

Internal, V

< 5V, V

AUXIN

< 5V

1100

kHz

PROTECTION

OVI Input Bias Current I

OVI

500 nA

OVI Threshold V

OVI_TH

OVI rising

0.568

0.6

0.632

OVP Output Low Voltage V

OVP_LOW

OVI

= 1V, I

SINK

= 10mA 0.2 0.4 V

OVP Leakage Current I

OVP_LEAK

= 2.75V, V

OVP

= 13.2V 1 µA

PGOOD Leakage Current I

PG_LEAK

PGOOD

= 13.2V 1 µA

PGOOD Output Low Voltage V

PG_LOW

SINK

= 2mA 0.2 0.4 V

Typical Operating Characteristics

= +25°C, unless otherwise noted. See the Typical Operating Circuit.)

AUXIN SUPPLY CURRENT

vs. TEMPERATURE (V

= V

BUS

= 1V)

MAX5079 toc01

TEMPERATURE (°C)

AUXIN

(mA)

1109580655035205-10-25

-40 125

AUXIN

= 5V

AUXIN

= 10V

AUXIN

= 2.7V

GATE-CHARGE CURRENT vs. V

MAX5079 toc02

(V)

GATE

(mA)

14128 104 62

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

015

131179351

= +25°C

= -40°C

= +125°C

= +85°C

SLOW-COMPARATOR REVERSE VOLTAGE

THRESHOLD (V

STH

vs. R

STH

)

MAX5079 toc03

STH

(kΩ)

STH

(V)

100

0.02

0.04

0.06

0.08

0.10

0.12

0.14

0.16

0.18

0.20

10 1000

= -40°C, T

= +25°C,

= +85°C, T

= +125°C

1 2 3 4 5 6 7 8 9 ... 17 18

Comentários a estes Manuais

Sem comentários

Rainbow-electronics MAX5079 Manual do Utilizador Página 4

Comentários a estes Manuais

Manuais e produtos relacionados com Sensores Rainbow-electronics MAX5079