ML4818 datasheet(4/12 Pages) MICRO-LINEAR

4 / 12 page

ML4818

ELECTRICAL CHARACTERISTICS (Continued)

PARAMETER

CONDITIONS

MIN

TYP.

MAX

UNITS

ERROR AMPLIFIER (Continued)

Output Sink Current

VEA OUT = 1V

3.2

Output Source Current

VEA OUT = 5.1V

–0.5

–2.2

–20

Output High Voltage

IEA OUT = –0.5mA

5.0

5.5

6.0

Output Low Voltage

IEA OUT = 1mA

0.8

Unity Gain Bandwidth

2.0

2.8

MHz

Slew Rate

8.5

µs

PHASE MODULATOR

RAMP Bias Current

VRAMP = 2.5V

–1

–10

µA

EA OUT Zero DC Threshold

VRAMP = 0V

0.4

0.6

0.9

tPD, RAMP to Output

tDELAY

CL = 1nF

200

250

RDELAY Voltage

4.3

SOFT START

Charge Current

VSOFT START = 4V

–15

–25

–30

µA

Discharge Current

VSOFT START = 1V

CURRENT LIMIT/SHUTDOWN

ILIM Bias Current

0V < VI

LIM < 4V

–10

–1

µA

Current Limit Threshold

VSHUTDOWN = 0V

0.92

1.02

1.12

tPD, ILIM

RCRESET Shutdown Threshold

3.15

3.4

3.65

RCRESET Restart Threshold

1.0

1.3

1.6

RCRESET Charging Current

LIM =2V, VRCRESET = 1.5V

–400

–523

–1000

µA

SHUTDOWN Threshold

2.0

2.4

2.8

SHUTDOWN Input Bias Current

VSHUTDOWN = 0

–100

–25

µA

OUTPUT

Output Low Level

IOUT = 20mA

0.1

0.4

IOUT = 200mA, TA = 25°C

0.7

2.8

Output High Level

IOUT = –20mA

12.0

13.5

IOUT = –200mA, TA = 25°C

11.0

13.0

Rise/Fall Time

CL = 1000pF

UNDER-VOLTAGE LOCKOUT

Start Threshold

15.5

16.5

17.2

Stop Threshold

9.25

10.2

10.7

SUPPLY

Start Up Current

VCC < 15.8V

ICC

VINV = 4V, VRAMP = VI

LIM = 0V,

CL = 1nF, TA = 25°C (Note 2)

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 (17.2V) before dropping to VCC = 15V to ensure start-up.

ML4818 Datasheet(PDF) 4 Page - Micro Linear Corporation

ML4818 Datasheet(HTML) 4 Page - Micro Linear Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12

Datasheet Download

Link URL