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LD7575GS Datasheet(PDF) 5 Page - Leadtrend Technology

Part # LD7575GS
Description  Green-Mode PWM Controller with High-Voltage Start-Up Circuit
PDF  17 Pages
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Manufacturer  LEADTREND [Leadtrend Technology]
Direct Link  https://www.leadtrend.com.tw/
Logo LEADTREND - Leadtrend Technology

LD7575GS Datasheet(HTML) 5 Page - Leadtrend Technology

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LD7575
5
Leadtrend Technology Corporation
www.leadtrend.com.tw
LD7575-DS-04b November 2009
Electrical Characteristics
(TA = +25
oC unless otherwise stated, VCC=15.0V)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
High-Voltage Supply (HV Pin)
High-Voltage Current Source
Vcc< UVLO(on)
0.5
1.0
1.5
mA
Off-State Leakage Current
Vcc> UVLO(off)
35
μA
Supply Voltage (Vcc Pin)
Startup Current
100
μA
VCOMP=0V
2.0
3.0
mA
VCOMP=3V
2.5
4.0
mA
Operating Current
(with 1nF load on OUT pin)
Protection tripped (OLP, OVP)
0.5
mA
UVLO (off)
9.0
10.0
11.0
V
UVLO (on)
15.0
16.0
17.0
V
OVP Level
25.0
27.5
30.0
V
Voltage Feedback (Comp Pin)
Short Circuit Current
VCOMP=0V
1.5
2.2
mA
Open Loop Voltage
COMP pin open
6.0
V
Green Mode Threshold VCOMP
2.35
V
Current Sensing (CS Pin)
Maximum Input Voltage
0.80
0.85
0.90
V
Leading Edge Blanking Time
350
nS
Input impedance
1
M
Ω
Delay to Output
100
nS
Oscillator (RT pin)
Frequency
RT=100K
Ω
60.0
65.0
70.0
KHz
Green Mode Frequency
Fs=65.0KHz
20
KHz
Temp. Stability
(-40
°C ~105°C)
3
%
Voltage Stability
(VCC=11V-25V)
1
%
Gate Drive Output (OUT Pin)
Output Low Level
VCC=15V, Io=20mA
1
V
Output High Level
VCC=15V, Io=20mA
9
V
Rising Time
Load Capacitance=1000pF
50
160
nS
Falling Time
Load Capacitance=1000pF
30
60
nS
OLP (Over Load Protection)
OLP Trip Level
5.0
V
OLP Delay Time (note)
Fs=65KHz
30
mS



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