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LD9532 Datasheet(PDF) 5 Page - Leadtrend Technology

Part # LD9532
Description  Multi-Mode PWM Controller of Flyback with MOSFET Integrated
PDF  17 Pages
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Manufacturer  LEADTREND [Leadtrend Technology]
Direct Link  https://www.leadtrend.com.tw/
Logo LEADTREND - Leadtrend Technology

LD9532 Datasheet(HTML) 5 Page - Leadtrend Technology

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LD9532
12/11/2018
5
Leadtrend Technology Corporation
www.leadtrend.com.tw
LD9532-DS-00 December 2018
Electrical Characteristics
(TA = +25oC 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
VCOMP=0V
ICC_OP1
0.295
mA
VCOMP=1.7V,IFB=200
A
ICC_OP2
1.95
mA
Auto current protection
ICC_OPA1
0.6
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
0.08
0.116
0.15
mA
Open Loop Voltage
(1)
VCOMP_OPEN
3.15
V
Current Sensing (CS Pin)
Maximum Input Voltage
IFB=0
A
VCS_LIMIT
0.45
0.5
0.55
V
Leading Edge Blanking Time
(1)
TLEB
450
ns
Internal Slope Compensation
ton>3
s
to
DMAX.
(Linearly increase), (1)
VSLP_L
165
mV
QRD (Quasi Resonant Detection, FB Pin)
FB OVP Trip voltage Level
VFB_OVP
3.3
3.5
3.7
V
FB OVP De-bounce Time
TFB_OVP
8
Cycle
FB UVP Trip voltage Level
(1)
VFB_UVP
0.8
V
QRD Trip Level
(1)
IQRD
20
A
Oscillator for Switching Frequency
CCM Frequency
FCCM
60
65
70
kHz
Frequency Swapping
(1)
FSW_MOD
±8
%
Green Mode Frequency
FSW_GREEN
21
24
27
kHz
Temp. Stability
(1)
FSW_TS
3
5
%
Voltage Stability
VCC =9V~24V (1)
FSW_VS
1
%
Maximum Duty
(1)
DMAX
81
%
Soft Start
Soft Start Time
VCS_OFF from 0.2V to
0.5V (1)
TSS
7
ms



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