Rainbow-electronics MAX5965B Manual do Utilizador descarregar pdf (Página 8)

SENSE TRIP VOLTAGE

vs. INPUT VOLTAGE

MAX5965A toc09

AGND

- V

(V)

SENSE TRIP VOLTAGE (mV)

565236 40 44 48

185.5

186.0

186.5

187.0

187.5

188.0

188.5

189.0

185.0

32 60

MAX5965A/MAX5965B

High-Power, Quad, Monolithic, PSE Controllers

for Power over Ethernet

8 _______________________________________________________________________________________

Typical Operating Characteristics

= -48V, V

= +3.3V, V

AUTO

= V

AGND

= V

DGND

= 0V, RESET = SHD_ = unconnected, R

SENSE

= 0.5Ω, IVEE = 00, ICUT = 000,

= +25°C, all registers = default setting, unless otherwise noted.)

ANALOG SUPPLY CURRENT

vs. INPUT VOLTAGE

MAX5965A toc01

AGND

- V

(V)

SUPPLY CURRENT (mA)

565244 484036

4.6

4.7

4.8

4.9

5.0

5.1

5.2

5.3

5.4

5.5

4.5

32 60

MEASURED AT AGND

ANALOG SUPPLY CURRENT

vs. TEMPERATURE

MAX5965A toc02

TEMPERATURE (NC)

SUPPLY CURRENT (mA)

603510-15

4.6

4.7

4.8

4.9

5.0

5.1

5.2

5.3

5.4

5.5

4.5

-40 85

= -32V

= -60V V

= -48V

DIGITAL SUPPLY CURRENT

vs. TEMPERATURE

MAX5965A toc03

TEMPERATURE (NC)

SUPPLY CURRENT (FA)

603510-15

105

110

115

120

125

130

100

-40 85

= 2.4V

= 3.3V

= 3.6V

MEASURED AT V

DIGITAL SUPPLY CURRENT

vs. DIGITAL SUPPLY VOLTAGE

MAX5965A toc04

SUPPLY VOLTAGE (V)

SUPPLY CURRENT (FA)

3.43.23.02.82.6

105

110

115

120

125

130

100

2.4 3.6

MEASURED AT V

UNDERVOLTAGE LOCKOUT

vs. TEMPERATURE

MAX5965A toc05

TEMPERATURE (NC)

UNDERVOLTAGE LOCKOUT (V)

603510-15

27.5

28.0

28.5

29.0

29.5

30.0

27.0

-40 85

GATE OVERDRIVE

vs. INPUT VOLTAGE

MAX5965A toc06

AGND

- V

(V)

GATE OVERDRIVE (V)

565244 484036

9.92

9.94

9.96

9.98

10.00

10.02

10.04

10.06

10.08

10.10

9.90

32 60

GATE OVERDRIVE

vs. TEMPERATURE

MAX5965A toc07

TEMPERATURE (NC)

GATE OVERDRIVE (V)

6035-15 10

9.85

9.90

9.95

10.00

10.10

10.05

10.15

10.20

9.80

-40 85

SENSE TRIP VOLTAGE

vs. TEMPERATURE

MAX5965A toc08

TEMPERATURE (NC)

SENSE TRIP VOLTAGE (mV)

603510-15

184

188

192

196

180

-40 85

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 51 52

MAX5965A/MAX5965B 1

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