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LD5537B1GL Datasheet(PDF) 5 Page - Leadtrend Technology

Part # LD5537B1GL
Description  Green-Mode PWM Controller with Frequency Swapping and Integrated Protections
PDF  16 Pages
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Manufacturer  LEADTREND [Leadtrend Technology]
Direct Link  https://www.leadtrend.com.tw/
Logo LEADTREND - Leadtrend Technology

LD5537B1GL Datasheet(HTML) 5 Page - Leadtrend Technology

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LD5537B1/I1
12/18/2018
5
Leadtrend Technology Corporation
www.leadtrend.com.tw
LD5537B1/I1-DS-00 December 2018
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)
ICC_ST
3
A
Operating Current
(with 1nF load on OUT Pin)
VCOMP=0V, OUT=1nF
ICC_OP1
0.285
mA
VCOMP=1.7V, OUT=1nF
ICC_OP2
2.9
mA
Auto current protection
ICC_OPA1
0.6
mA
Latch current protection
ICC_OPA2
0.8
mA
UVLO(OFF)
OUT OFF
VCCOFF
6.5
7.5
8.5
V
UVLO(ON)
VCCON
15
16
17
V
VCC OVP Level
VCCOVP
27
28
29
V
VCC OVP de-bounce time
TVCC_OVP
8
Cycle
Latch-Off Release Voltage
VPDR
4.1
4.8
5.5
V
Voltage Feedback (Comp Pin)
Short Circuit Current
VCOMP=0V
ICOMP
0.116
mA
Open Loop Voltage
VCOMP_OPEN
3.15
V
Zero Duty Threshold VCOMP
VZDC
0.5
V
Zero Duty Hysteresis
VZDCH
100
mV
Current Sensing (CS pin)
Maximum
Input
Voltage
(VCS_OFF)
VCS_LIMIT
0.815
V
Maximum
Input
Voltage
(VCS_MIN)
For High Line
VCS_MIN
0.645
V
Leading Edge Blanking Time
TLEB
200
ns
Internal Slope Compensation
0%
to
DMAX.
(Linearly
increase) *
VSLP_L
330
mV
Input impedance
*
ZCS
1
M
Delay to Output
*
TPD
100
ns
Gate Drive Output (OUT Pin)
Output Low Level
VCC =15V, Io=20mA(1)
VOL
1
V
Output High Level
VCC =15V, Io=20mA
VOH
9
14
V
Rising Time
VCC =15V CL=1000pF
Tr
200
ns
Falling Time
VCC =15V CL =1000pF
Tf
30
ns
Output High Clamp Level
VCC =18V
VO_CLAMP
11.5
V



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