ML4828 Ver la hoja de datos (PDF) - Micro Linear Corporation

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componentes Descripción

Fabricante

ML4828

BiCMOS Phase Modulation/Soft Switching Controller

Micro Linear Corporation 

ML4828

ELECTRICAL CHARACTERISTICS (Continued)

PARAMETER

CONDITIONS

MIN

PHASE MODULATOR

EAO Zero Duty Cycle Threshold

VRT = 0V

0

RAMP Delay to Output

RAMP Discharge Current

48

SOFT-START

Charge Current

VSS = 4V

Discharge Current

VSS = 1V

6

CURRENT LIMIT/SHUTDOWN

Current Limit Threshold

0.9

Pin 20 Delay to Output

(Note 1)

Pin 12 Shutdown Threshold

1.0

Pin 12 Restart Threshold

2.2

Pin 12 Charging Current

SDN Shutdown Threshold

–350

1.05

OUTPUT

Output Low Level

IOUT = 20 mA

IOUT = 100 mA

Output High Level

IOUT = –20 mA

4.9

IOUT = –100 mA

4.6

Rise/Fall Time

CL = 1000pF, (Note 1)

ZVS Programmable Delay

240

Delay Mismatch

RA/RB Reference Voltage

2.45

UNDER VOLTAGE LOCKOUT

Start Threshold

5.1

Stop Threshold

4.1

SUPPLY

Start Up Current

VCC < 6V

Shutdown Current

ICC

VCC = 5V, CL = 1000pF, TA = 25°C

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

Note 2: VCC must be brought above the UVLO start voltage (6V) before dropping to VCC = 5V to ensure start-up.

TYP.

0.5

50

–25

10

1.0

50

1.1

2.4

–460

1.6

0.01

0.1

4.95

4.7

5

280

0

2.5

5.85

4.2

0.6

100

5

MAX

UNITS

0.9

V

80

ns

95

mA

–50

µA

13.2

mA

1.1

V

ns

1.5

V

2.6

V

–550

µA

2.05

V

0.1

V

0.3

V

V

V

7

ns

315

ns

ns

2.55

V

6.6

V

4.3

V

1

mA

500

µA

7

mA

4

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