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LD5760GS Datasheet(PDF) 6 Page - Leadtrend Technology

Part # LD5760GS
Description  High Voltage Green-Mode PWM Controller with Brown-In/Out Function
PDF  20 Pages
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Manufacturer  LEADTREND [Leadtrend Technology]
Direct Link  https://www.leadtrend.com.tw/
Logo LEADTREND - Leadtrend Technology

LD5760GS Datasheet(HTML) 6 Page - Leadtrend Technology

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LD5760
11/05/2015
6
Leadtrend Technology Corporation
www.leadtrend.com.tw
LD5760-DS-02 November 2015
PARAMETER
CONDITIONS
SYMBOL
MIN
TYP
MAX
UNITS
Oscillator for Switching Frequency
Frequency
65KHz
FSW
60
65
70
KHz
Swapping Frequency
FSW_SWA
±8
%
Green Mode Frequency
FSW_GREEN
20.5
23.5
26.5
KHz
Modulation Frequency
FSW_MOD
200
Hz
FSW Temp. Stability
-40
C ~105C
FSW_TS
0
3
4
%
FSW Voltage Stability
VCC=8V-(OVP-1V)
FSW_VS
0
1
%
Maximum On Time
MXD
78
85
90
%
OSCP (Output Short Circuit Protection)
OSCP Trip Level
*
VCCOSCP
UVLOOFF
+2.4V
V
OSCP Delay Time
*Exclude
soft
start
time.
TD_OSCP
10
ms
Voltage Feedback (Comp Pin)
Input Voltage to
Current-Sense Attenuation
*
AV
1/4.0
V/V
Comp Impedance
VCOMP=3V
ZCOMP
42
k
Open Loop Voltage
COMP pin open
VCOMP_OPEN
4.9
5.2
5.5
V
OLP Tripped Level
TC: track COMP pin
open voltage
VOLP
4.4
4.6
4.8
V
PWM Mode Threshold
VCOMP
0.9
of
FSW-PWM,
VFB_P(Fig 2.)
VP
2.6
2.8
3.0
V
Green Mode Threshold
VCOMP
1.1 of FSW-GREEN, VFB_G
VG
2.2
2.5
2.7
V
Zero Duty Threshold
VCOMP on Burst mode
Zero Duty, VFB_B
VZDC
1.6
V
Hysteresis
VZDCH
100
mV
Current Sensing (CS Pin)
Maximum Input Voltage
VCS_MAX
0.67
0.7
0.73
V
Leading Edge Blanking Time
TLEB
300
nS
Delay to Output
TPD
70
nS
Slope Compensation Level
*0%-85% Linearly
VSLP_L
0
0.2
V
Slope Compensation Position
*0%-85% Linearly
VSLP
0
85
%



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