ld7576jps Leadtrend Technology, ld7576jps Datasheet - Page 6

• Manufacturer Part Number: ld7576jps
• Description: Green-mode Pwm Controller With High-voltage Start-up Circuit And Adjustable Olp Delay Time
• Manufacturer: Leadtrend Technology

Electrical Characteristics
Leadtrend Technology Corporation
LD7576-DS-03 December 2007
(T
High-Voltage Supply (HV Pin)
High-Voltage Current Source
Off-State Leakage Current
Supply Voltage (VCC Pin)
Startup Current
Operating Current
(with 1nF load on OUT pin)
UVLO (off)
UVLO (on)
OVP Level
Voltage Feedback (COMP Pin)
Short Circuit Current
Open Loop Voltage
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
Green Mode Frequency
Trembling Frequency
Temp. Stability
Voltage Stability
A
= +25
o
C unless otherwise stated, V
PARAMETER
www.leadtrend.com.tw
CC
=15.0V)
Vcc< UVLO(on),HV=500V
Vcc> UVLO(off),HV=500V
V
V
OLP tripped
OVP tripped
OTP tripped
Latch Protection
V
COMP pin open
LD7576/76H
LD7576J/76K
LD7576/76H
LD7576J/76K
LD7576/76H
LD7576J/76K
(-40°C ~105°C)
(VCC=11V-25V)
COMP
COMP
COMP
=0V
=3V
=0V
CONDITIONS
6
LD7576/76H/76J/76K
15.0
26.5
0.80
61.0
94.0
MIN
0.5
9.0
1
100.0
± 4.0
± 6.0
TYP
10.0
16.0
28.0
2.35
0.85
65.0
230
100
1.0
2.7
3.1
0.5
0.6
0.5
2.0
1.3
5.6
20
32
106.0
MAX
11.0
17.0
29.5
0.90
69.0
100
1.5
3.5
4.0
2.2
35
5
1
UNITS
KHz
KHz
KHz
KHz
KHz
KHz
MΩ
mA
mA
mA
mA
mA
mA
mA
mA
μA
μA
nS
nS
%
%
V
V
V
V
V
V