ML6554CU データシートの表示（PDF） - Micro Linear Corporation

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ML6554CU

3A Bus Termination Regulator

Micro Linear Corporation 

ABSOLUTE MAXIMUM RATINGS

Absolute maximum ratings are those values beyond which

the device could be permanently damaged. Absolute

maximum ratings are stress ratings only and functional

device operation is not implied.

PVDD .......................................................................................... 5.0V

Voltage on Any Other Pin ...... GND – 0.3V to VIN + 0.3V

Average Switch Current (IAVG) .................................. 3.0A

Junction Temperature .......................................................

Storage Temperature Range .............................................

ML6554

Lead Temperature (Soldering, 10 sec) ..............................

Thermal Resistance (qJC)(Note 3) ........................... 2°C/W

Output Current, Source or Sink ................................. 3.0A

OPERATING CONDITIONS

Temperature Range ....................................... 0°C to 70°C

PVDD Operating Range ................................ 2.0V to 4.0V

ELECTRICAL CHARACTERISTICS

Unless otherwise specified, PVDD = 3.3V±10%, TA = Operating Temperature Range (Note 1)

SYMBOL

PARAMETER

CONDITIONS

MIN

SWITCHING REGULATOR

VTT Output Voltage, SSTL_2

(See Figure 1)

VREFOUT Internal Resistor Divider

ZIN VREF Reference Pin Input Impedance

Switching Frequency

IOUT = 0,

VREF = open

Note 2

IOUT = ±3A,

VREF = open

Note 2

IOUT = 0

Note 2

Note 2

VCCQ = 2.3V

VCCQ = 2.5V

VCCQ = 2.7V

VCCQ = 2.3V

VCCQ = 2.5V

VCCQ = 2.7V

VCCQ = 2.3V

VCCQ = 2.5V

VCCQ = 2.7V

VCCQ = 0

1.12

1.22

1.32

1.09

1.19

1.28

1.139

1.238

1.337

DVOFFSET Offset Voltage VTT – VREFOUT

SUPPLY

VCCA = 2.5V No Load VCCQ = 2.5 –12.5

IQ

Quiescent Current

BUFFER

IOUT = 0, no load

IVCCQ

IAVCC

IDVCC

IREF Output Load Current

3

Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.

Note 2: AVCC, PVDD = 3.3V ±10%

Note 3: Infinite heat sink

TYP

1.15

1.25

1.35

1.15

1.25

1.35

1.15

1.25

1.35

100

650

10

500

7

MAX UNITS

1.18

V

1.28

V

1.38

V

1.21

V

1.31

V

1.42

V

1.162

V

1.263

V

1.364

V

kW

kHz

12.5

mV

µA

µA

mA

mA

NOVEMBER, 1999

3

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