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LD5523KGL датащи(PDF) 5 Page - Leadtrend Technology

номер детали LD5523KGL
подробное описание детали  Multi-Mode PWM Controller of Flyback with Integrated BNI/BNO and Bulk cap. OVP
PDF  17 Pages
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производитель  LEADTREND [Leadtrend Technology]
домашняя страница  https://www.leadtrend.com.tw/
Logo LEADTREND - Leadtrend Technology

LD5523KGL датащи(HTML) 5 Page - Leadtrend Technology

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LD5523K
05/16/2018
5
Leadtrend Technology Corporation
www.leadtrend.com.tw
LD5523K-DS-00 May 2018
Electrical Characteristics
(TA = +25
oC unless otherwise stated, VCC=15.0V)
PARAMETER
CONDITIONS
SYMBOL
MIN
TYP
MAX
UNITS
Supply Voltage (VCC Pin)
Startup Current
ICC_ST
1
A
Operating Current
(with 1nF load on OUT pin)
VCOMP=0V, OUT=1nF
ICC_OP1
0.285
mA
VCOMP=1.7V, OUT=1nF
IFB=200A
ICC_OP2
2.4
mA
Auto current protection
ICC_OPA1
0.6
mA
Brown in (Before the first
pulse)/ Brown out
ICC_OPA3
0.7
1.1
1.5
mA
UVLO(OFF)
VCC_OFF
6
7
8
V
UVLO(ON)
VCC_ON
15.5
16.5
17.5
V
VCC OVP Level
VCC_OVP
27
28
29
V
VCC OVP de-bounce time
TVCC_OVP
8
Cycle
Voltage Feedback (COMP Pin)
Short Circuit Current
VCOMP=0V
ICOMP
0.116
mA
Open Loop Voltage
(1)
VCOMP_OPEN
3.15
V
Min. OCP Compensation
Current
IFB =100A
(1)
IOCP_MIN
71
A
Max. OCP Compensation
Current
IFB =300A
IOCP_MAX
200
225
250
A
Current Sensing (CS Pin)
Maximum Input Voltage
VCS_LIMIT
0.48
0.5
0.52
V
Leading Edge Blanking Time
TLEB
275
ns
Internal Slope Compensation
*ton>3
s
to
DMAX.
(Linearly increase),
(1)
VSLP_L
165
mV
Delay to Output
(1)
TPD
80
ns
BNO Protection (FB Pin)
Brown In Trip Level
IBNI
90
95
100
A
BNO Hysteresis
IBNO_HYS
7
A
Brown Out De-bounce Time
VCOMP=1.7V
TDB_BNO
75
ms
Bulk Cap OVP
IBULK_OVP
370
A
Bulk Cap OVP delay
TFB_BOVP
450
ms



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