LD7576 查看數據表（PDF） - Unspecified

零件编号

产品描述 (功能)

比赛名单

LD7576

Green-Mode PWM Controller

Unspecified 

Electrical Characteristics

(TA = +25oC unless otherwise stated, VCC=15.0V)

PARAMETER

CONDITIONS

High-Voltage Supply (HV Pin)

High-Voltage Current Source

Vcc< UVLO(on),HV=500V

Off-State Leakage Current

Vcc> UVLO(off),HV=500V

Supply Voltage (VCC Pin)

Startup Current

Operating Current

VCOMP=0V

VCOMP=3V

OLP tripped

(with 1nF load on OUT pin)

OVP tripped

OTP tripped

Latch Protection

UVLO (off)

UVLO (on)

OVP Level

Voltage Feedback (COMP Pin)

Short Circuit Current

Open Loop Voltage

VCOMP=0V

COMP pin open

Green Mode Threshold VCOMP

Current Sensing (CS Pin)

Maximum Input Voltage

Leading Edge Blanking Time

Input impedance

Delay to Output

Oscillator for Switching Frequency

Frequency

LD7576/76H

LD7576J/76K

Green Mode Frequency

LD7576/76H

LD7576J/76K

Trembling Frequency

LD7576/76H

LD7576J/76K

Temp. Stability

(-40°C ~105°C)

Voltage Stability

(VCC=11V-25V)

LD7576/76H/76J/76K

MIN

TYP

MAX UNITS

0.5

1.0

1.5

mA

35

μA

100

μA

2.7

3.5

mA

3.1

4.0

mA

0.5

mA

0.6

mA

0.5

mA

2.0

mA

9.0

10.0

11.0

V

15.0

16.0

17.0

V

26.5

28.0

29.5

V

1.3

2.2

mA

5.6

V

2.35

V

0.80

0.85

0.90

V

230

nS

1

MΩ

100

nS

61.0

65.0

69.0 KHz

94.0

100.0 106.0 KHz

20

KHz

32

KHz

± 4.0

KHz

± 6.0

KHz

5

%

1

%

Leadtrend Technology Corporation

LD7576-DS-03 December 2007

6

www.leadtrend.com.tw

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