ML4828 Просмотр технического описания (PDF) - Micro Linear Corporation

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ML4828

BiCMOS Phase Modulation/Soft Switching Controller

Micro Linear Corporation 

ML4828

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.

VCC .................................................................................................. 7V

Output Current, Source or Sink (A1, A2, B1, B2)

Pulse (0.5 µs) ......................................................... 1.0A

Analog Inputs (EA+, EA–, EAO,

RST, RAMP, RST)............................ –0.3V to VCC + 0.3V

RT Source Current .................................................... –1mA

Error Amplifier Output Current ................................ ±2mA

Soft Start Discharge Current ...................................... 5mA

CT Charging Current ................................................. –1mA

Junction Temperature .............................................. 150°C

Storage Temperature Range ...................... –65°C to 150°C

Lead Temperature (Soldering 10 sec.) ...................... 260°C

Thermal Resistance (θJA)

Plastic DIP ........................................................ 67°C/W

Plastic SOIC ..................................................... 95°C/W

OPERATING CONDITIONS

Temperature Range

ML4828CX ................................................. 0°C to 70°C

ML4828IX ............................................... –40°C to 85°C

ELECTRICAL CHARACTERISTICS

Unless otherwise specified, RA = RB = 33.3kΩ, RT = 16kΩ, CT = 270PF, VCC = 5V, TA = Operation Temperature Range

(Notes 1,2)

PARAMETER

OSCILLATOR

Initial Accuracy

Voltage Stability

Temperature Stability

Total Variation

CT Discharge Current

Ramp Peak

Ramp Valley

REFERENCE

Initial Accuracy

Line Regulation

Load Regulation

Temperature Stability

Total Variation

Long Term Stability

Short Circuit Current

ERROR AMPLIFIER

Input Offset Voltage

Input Common-Mode Range

Open Loop Gain

PSRR

Output Sink Current

Output Source Current

Output High Voltage

Output Low Voltage

Unity Gain Bandwidth

Slew Rate

CONDITIONS

TA = 25°C

4.5V < VCC < 5.5V

Line, temp.

VCT = 2V

TA = 25°C, IO = 250µA

4.5V < VCC < 6.5V

100µA to 1mA

Line, Load, & Temp

TJ = 125°C, 1000 hrs

VREF = 0V

1V < VO < 2.7V

4.5V < VCC < 6.5V

VO = 0.5V

VO= 2.7V

ISOURCE = –500µA

ISINK = 500µA

MIN

TYP.

MAX

UNITS

340

360

380

kHz

4

5.3

%/V

2

%

325

400

kHz

1.15

1.5

mA

2.6

V

1.12

V

2.475

2.5

2.525

V

±0.2

±1

%/V

±0.5

±6

mV

0.45

%

2.44

2.54

V

5

25

mV

–10

–23

–35

mA

–20

20

mV

0

1.75

V

60

80

dB

60

80

dB

1.2

1.9

mA

–0.35

–1.1

mA

2.6

2.85

V

0.1

0.2

V

7

10

MHz

5

10

V/µs

3

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