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LD5532 датащи(PDF) 6 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) 6 Page - Leadtrend Technology

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LD5532
6
Leadtrend Technology Corporation
www.leadtrend.com.tw
LD5532-DS-00 July 2014
PARAMETER
CONDITIONS
Symbol
MIN
TYP
MAX
UNITS
Oscillator for Switching Frequency
Frequency, FREQ
FSW
60
65
70
kHz
Green Mode Frequency, FREQG
FSW_GRN
22
25
28
kHz
Trembling Frequency
FTRM
3.0
4.0
5.0
kHz
Low Frequency period (FM)
FL
200
220
240
Hz
Temp. Stability(*)
TSTAB
0
--
3
%
Voltage Stability(*)
(VCC=11V-25V)
VSTAB
0
--
1
%
Gate Drive Output (OUT Pin)
Output Low Level
VCC=15V, Io=20mA
VO_L
0
--
1
V
Output High Level
VCC=15V, Io=20mA
VO_H
8
--
15
V
Rising Time(*)
Load Capacitance=1000pF
TR
--
150
250
nS
Falling Time(*)
Load Capacitance=1000pF
TF
--
50
100
nS
Max.Duty
DMAX
70
75
80
%
OLP (Over Load Protection)
OLP Trip Level
VCOMP_OLP
4.3
4.5
4.7
V
OLP Delay Time
TD_OLP
58
65
72
mS
Brownout Protection (BNO Pin)
Brownout turn-on Trip Level
VBNO_ON
1.00
1.05
1.10
V
Brownout turn-off Trip Level
VBNO_OFF
0.75
0.80
0.85
V
BNO Pin De-bounce Time
TD_BNO
58
65
72
ms
On Chip OTP (Over Temperature) Auto-Recovery
OTP Level(*)
TOTP
145
C
OTP Hysteresis(*)
TH_OTP
20
C
Soft-Start
Soft-Start Duration
Enable
TSS
6
ms
Notes:
Guaranteed by design.



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