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LD5532 датащи(PDF) 5 Page - Leadtrend Technology

номер детали LD5532
подробное описание детали  Green-Mode PWM Controller with Frequency Swapping and Audio Noise Prevention
PDF  18 Pages
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производитель  LEADTREND [Leadtrend Technology]
домашняя страница  https://www.leadtrend.com.tw/
Logo LEADTREND - Leadtrend Technology

LD5532 датащи(HTML) 5 Page - Leadtrend Technology

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LD5532
5
Leadtrend Technology Corporation
www.leadtrend.com.tw
LD5532-DS-00 July 2014
Electrical Characteristics
(TA = +25
C unless otherwise stated, V
CC=15.0V)
PARAMETER
CONDITIONS
Symbol
MIN
TYP
MAX
UNITS
Supply Voltage (Vcc Pin)
Startup Current
ISTUP
0.1
0.4
1
A
Operating Current
(with 1nF load on OUT pin)
VCOMP=0V
IVCC_0V
0.55
0.625
0.675
mA
VCOMP=3V
IVCC_3V
1.62
1.80
1.98
mA
OLP Tripped
IOLP
0.490
mA
OVP Tripped
IOVP
0.490
mA
UVLO (off)
VUVLO(OFF)
7.5
8.5
9.5
V
UVLO (on)
VUVLO(ON)
15
16
17
V
OVP Level
VOVP
25
26
27
V
Voltage Feedback (Comp Pin)
Short Circuit Current
VCOMP=0V
ICOMP_0V
0.16
0.18
0.20
mA
Open Loop Voltage
COMP pin open
VCOMP_OP
5.00
5.20
5.40
V
Fixed Frequency Mode Threshold
VCOMP(*)
VCOMP_F
2.20
V
Green Mode Threshold VCOMP(*)
VCOMP_GN
2.00
V
Burst Mode Threshold VCOMP
VBURST
1.65
V
Hysteresis
VBURST_H
100
mV
Current Sensing (CS Pin)
Maximum Input Voltage, VCS_Off
VCS_OFF
0.80
0.85
0.90
V
Minimum Input Voltage, VCS_min
VCS_MIN
0.6
0.65
0.7
V
Top Compensation Duty Ratio
DTOP
49
51.6
54
%
Bottom Compensation Duty Ratio
DBOM
17.7
18.6
19.5
%
Leading Edge Blanking Time
TLEB
250
nS
Inter Slope Compensation
0% to DMAX.
(Linearly increase)
VSLOPE
285
300
315
mV
Input impedance
ZIN
1
--
10
M
Delay to Output
TD
50
100
150
nS



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