LD7750B View Datasheet(PDF) - Unspecified
Part Name
Description
Manufacturer
LD7750B Datasheet PDF : 19 Pages
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LD7750B
Electrical Characteristics
(TA = +25°C unless otherwise stated, VCC=15.0V)
PARAMETER
CONDITIONS
MIN
Oscillator for Switching Frequency
Frequency
94.0
Green Mode Frequency
Swapping Frequency
Temp. Stability
-20°C~85°C
Voltage Stability
(VCC=11V-25V)
OTP Pin Latch Protection (OTP Pin)
OTP Pin Source Current
92
Turn-On Trip Level
1.00
Turn-Off Trip Level
0.90
De-latch VCC Level
(PDR, Power Down Reset)
Gate Drive Output (OUT Pin)
Output Low Level
Output High Level
Rising Time
VCC=15V, Io=20mA
VCC=15V, Io=20mA
9
Load Capacitance=1000pF
Falling Time
Load Capacitance=1000pF
Max.Duty
OLP (Over Load Protection)
OLP Trip Level
4.8
OLP Delay Time
Soft Start Duration
Soft Start Duration
On Chip OTP (Internal Over Temperature Protection, Auto-Recovery)
OTP Level
OTP Hysteresis
TYP
MAX UNITS
100.0 106.0 kHz
25
kHz
±6
kHz
5
%
1
%
100
108
μA
1.05
1.10
V
0.95
1.0
V
7.5
V
1
V
V
100
160
ns
30
60
ns
75
%
5.0
5.2
V
83
ms
4
ms
140
°C
30
°C
Leadtrend Technology Corporation
LD7750B-DS-01 OCT. 2011
6
www.leadtrend.com.tw
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