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LD5537GL датащи(PDF) 5 Page - Leadtrend Technology

номер детали LD5537GL
подробное описание детали  Green-Mode PWM Controller with Variable Frequency and Brown IN/OUT Protections
PDF  17 Pages
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производитель  LEADTREND [Leadtrend Technology]
домашняя страница  https://www.leadtrend.com.tw/
Logo LEADTREND - Leadtrend Technology

LD5537GL датащи(HTML) 5 Page - Leadtrend Technology

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LD5537
09/07/2015
5
Leadtrend Technology Corporation
www.leadtrend.com.tw
LD5537-DS-01 September 2015
Electrical Characteristics
(TA = +25C unless otherwise stated, VCC=15.0V)
PARAMETER
CONDITIONS
SYMBOL
MIN
TYP
MAX
UNITS
Supply Voltage (VCC Pin)
Startup Current
VCC < UVLO(ON)
ISTUP
12
A
Operating Current
(with 1nF load on OUT pin)
VCOMP=0V
IVCC_0V
0.55
0.65
mA
VCOMP=3V
IVCC_3V
2
2.5
mA
Auto mode.
IHD_AUTO
530
A
UVLO(OFF)
VUVLO(OFF)
7
8.6
9.1
V
UVLO(ON)
VUVLO(ON)
15
16
17
V
OVP Level
VOVP
27.3
28.5
29.7
V
OVP pin de-bounce time
TDE_OVP
6
8
10
cycle
Voltage Feedback (COMP Pin)
Short Circuit Current
VCOMP=0V
ICOMP_0V
0.09
0.125
0.16
mA
Open Loop Voltage
COMP pin open
ICOMP_OP
5.1
5.3
5.5
V
Peak Mode Threshold VCOMP
VCOMP_PK
4.1
4.2
4.3
V
Peak Mode Down Threshold
(Fig. 1)
VCOMP_DN
3.9
4.0
4.1
V
Green Mode Threshold VCOMP
VCOMP_GN
2.85
2.95
3.05
V
Green
Mode
Down
Threshold
VCOMP, FSW_DN
VCOMP_GN_DN
2.35
2.45
2.55
V
Zero Duty Threshold VCOMP
VZD
1.6
1.7
1.8
V
Zero Duty Hysteresis
VZD_H
100
mV
IOPP Threshold VCOMP
Duty
20%
VIOPP
3.9
4
4.1
V
Current Sensing (CS Pin)
Limit Voltage, VCS_OFF
Duty
50%
VCS_OFF
0.735
0.75
0.765
V
OCP Voltage for Low line, VCS
(Fig. 2)
VCS
0.666
0.680
0.694
V
OCP Voltage for High line
VCS
0.608
0.620
0.632
V
OPP Compensation Current
Duty
50%
IOPP_50
0
5
A
Duty
20%
IOPP_20
552
575
598
A
Leading Edge Blanking Time
TLEB
200
250
300
Ns
Internal Slope Compensation
*, 0% to DMAX. (Linearly
increase)
VSLOP
300
mV



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