ML4835 查看數據表（PDF） - Micro Linear Corporation

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ML4835

Compact Fluorescent Electronic Dimming Ballast Controller

Micro Linear Corporation 

ML4835

ELECTRICAL CHARACTERISTICS (Continued)

SYMBOL

PARAMETER

CONDITIONS

PREHEAT AND INTERRUPT TIMER (RX = 346kW, CX = 10µF)

Initial Preheat Period

Subsequenct Preheat Period

Interrupt Period

RX/CX Charging Current

RX/CX Open Circuit Voltage

RX/CX Maximum Voltage

Preheat Lower Threshold

Preheat Upper Threshold

Start Period End Threshold

Interrupt Disable Threshold

Hysteresis

Input Bias Current

POWER SHUTDOWN

Power Shutdown Voltage

OUTPUTS (OUT A, OUT B, PFC OUT)

Output Voltage Low

Output Voltage High

IOUT = 20mA

IOUT = 200mA

IOUT = 20mA

Output Voltage High

Output Voltage Low in UVLO

Output Rise and Fall Time

IOUT = 200mA

IOUT = 10mA, VCC < VCC START

CL=1000pF

UNDER VOLTAGE LOCKOUT AND BIAS CIRCUITS

IC Shunt Voltage (VCCZ)

ICC=15mA

Start-up Threshold (VCC START)

Hysteresis

Start-up Current

Interrupt Current

Operating Current

Shutdown Temperature

VCC START –0.2V

(VCC–0.5V), INTERRUPT = 0V

(VCC–0.5V)

Hysteresis

MIN

TYP

MAX UNITS

0.86

s

0.72

s

5.9

s

-50

-54

-58

µA

0.4

0.7

1.0

V

7.0

7.3

7.8

V

1.6

1.75

1.9

V

4.4

4.65

4.9

V

6.2

6.6

6.9

V

1.1

1.25

1.4

V

0.16

0.26

0.36

V

1

µA

0.9

1

1.1

V

0.1

0.2

V

1.0

2.0

V

VCC-0.2 VCC-0.1

V

VCC-2.0 VCC-1.0

V

0.2

V

50

ns

14.0

14.8

15.5

V

VCCZ-1.5 VCCZ-1.0 VCCZ-0.5 V

3.0

3.7

4.4

V

350

550

µA

500

750

µA

5.5

8.0

mA

130

ºC

30

ºC

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

5

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