ML4818 Ver la hoja de datos (PDF) - Fairchild Semiconductor

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componentes Descripción

Fabricante

ML4818

Phase Modulation/Soft Switching Controller

Fairchild Semiconductor 

ML4818

PRODUCT SPECIFICATION

Electrical Characteristics (continued)

Unless otherwise specified, VCC = 15V, RT = 12.7kΩ, CT = 250pF, RCLK = 3kΩ, RDELAY = 5kΩ, TA = Operating

Temperature Range (Note 1).

Parameter

Conditions

Min. Typ. Max.

Output

Output Low Level

Output High Level

Rise/Fall Time

IOUT = 20mA

IOUT = 200mA, TA = 25°C

IOUT = –20mA

IOUT = –200mA, TA = 25°C

CL = 1000pF

0.1 0.4

0.7 2.8

12.0 13.5

11.0 13.0

50 75

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

3

4

ICC

VINV = 4V, VRAMP = VILIM = 0V, CL = 1nF,

TA = 25°C (Note 2)

60 70

Notes

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

2. VCC must be brought above the UVLO start voltage (17.2V) before dropping to VCC = 15V to ensure start-up.

Units

V

V

V

V

ns

V

V

mA

mA

5

REV. 1.0.3 6/21/01

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