Rainbow-electronics MAX16064 Manual do Utilizador descarregar pdf (Página 3)

MAX16064

±0.3% Accurate, Quad, Power-Supply Controller with

Active-Voltage Output Control and PMBus Interface

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PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

INTERNAL TEMPERATURE SENSOR

Temperature Sensing Accuracy T

= 0°C to +85°C ±3 °C

INTERNAL OSCILLATOR

Frequency 7.6 8 8.4 MHz

ADC

Resolution 12 Bits

INTERNAL REFERENCE

Reference Voltage V

REF

= +25°C 2.048 V

DAC

Resolution 12 Bits

Differential Nonlinearity DNL -2.5 +2.5 LSB

Maximum Output-Voltage Range No load

REF -

1 LSB

Capacitive Load 200 pF

Output-Voltage Slew Rate 0.35 V/µs

DAC Output Resistance 10 Ω

DAC Driving Capability DAC output > 100mV; output error < 25mV -1 +1 mA

DAC Output Leakage Current

DAC output switch open,

DACOUT

_ = V

REF

or 0V

-250 +250 nA

CLKIO

Input Logic-Low Voltage 0.8 V

Input Logic-High Voltage 2.1 V

Input Bias Current V

CLKIO

= 3.6V or 0V -1 +1 µA

Input Clock Duty Cycle 50 %

Output Low Voltage CLKIO in output mode, I

SINK

= 4mA 0.4 V

Output High Leakage V

CLKIO

= 3.6V -1 +1 µA

CLKIO Pullup Voltage 3.6 V

CLKIO Input Frequency Range f

EXT_CLK

100 1000 kHz

CLKIO Output Frequency 1 MHz

ENABLE INPUT (EN)

EN Falling Threshold Voltage V

EN_TH

1.17 1.21 1.23 V

EN Rising Threshold Voltage 1.175 1.23 1.281 V

EN Input Leakage Current -0.25 +0.25 µA

OUTPUTS (ENOUT_, RESET, SMBALERT)

SINK

= 10mA 0.4 V

Output Low Voltage V

AVDD

= V

DVDD

= 1.1V, I

SINK

= 100µA 0.4 V

Output Leakage V

ENOUT_

= 5V, 0V -1 +1 µA

ELECTRICAL CHARACTERISTICS (continued)

AVDD

= V

DVDD

= 3.0V to 3.6V, V

= 2V, V

RS_+

- V

RS_-

= 2V, V

RS_-

= 0V, T

= T

= -40°C to +85°C, unless otherwise specified.

Typical values are at V

AVDD

= V

DVDD

= 3.3V, T

= +25°C.) (Note 2)

1 2 3 4 5 6 7 8 ... 51 52

MAX16064 1

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