Rainbow-electronics MAX5970 Manual do Utilizador descarregar pdf (Página 5)

0V to 16V, Dual Hot-Swap Controller with 10-Bit

Current and Voltage Monitor and 4 LED Drivers

MAX5970

_______________________________________________________________________________________ 5

ELECTRICAL CHARACTERISTICS (continued)

= 2.7V to 16V, T

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

= 3.3V and T

= +25NC.) (Note 2)

Note 2: All devices are 100% production tested at T

= +25NC. Limits over the temperature range are guaranteed by design.

Typical Operating Characteristics

= 3.3V, T

= +25NC, unless otherwise noted.)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

C iNTERFACE

Serial-Clock Frequency f

SCL

400 kHz

Bus Free Time Between

STOP and START Condition

BUF

1.3

START Condition Setup Time t

SU:STA

0.6

START Condition Hold Time t

HD:STA

0.6

STOP Condition Setup Time t

SU:STO

0.6

Clock High Period t

HIGH

0.6

Clock Low Period t

LOW

1.3

Data Setup Time t

SU:DAT

100 ns

Data Hold Time t

HD:DAT

Transmit 100

Receive 300 900

Output Fall Time t

BUS

= 10pF to 400pF 250 ns

Pulse Width of Spike

Suppressed

50 ns

SDA, SCL Input High Voltage V

1.8 V

SDA, SCL Input Low Voltage V

0.8 V

SDA, SCL Input Hysteresis V

HYST

0.22 V

SDA, SCL Input Current -1 +1

SDA, SCL Input Capacitance 15 pF

SDA Output Voltage V

SINK

= 4mA 0.4 V

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

MAX5970 toc01

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (mA)

1412108642

2.35

2.40

BOTH CHANNELS ON

BOTH CHANNELS OFF

2.45

2.50

2.30

0 16

SUPPLY CURRENT vs. TEMPERATURE

MAX5970 toc02

TEMPERATURE (°C)

SUPPLY CURRENT (mA)

603510-15

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.8

2.9

3.0

2.0

-40 85

GATE-DRIVE VOLTAGE vs. V

MON_

MAX5970 toc03

MON_

(V)

GATE-DRIVE VOLTAGE (V)

14122 4 6 8 10

4.85

4.90

4.95

5.00

5.05

5.10

5.15

GATE

REFERRED TO MON_

5.20

4.80

0 16

1 2 3 4 5 6 7 8 9 10 ... 40 41

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