LD7750A
Electrical Characteristics
(TA = +25°C unless otherwise stated, VCC=15.0V)
PARAMETER
CONDITIONS
MIN
Oscillator for Switching Frequency
Frequency
61.0
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
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
65.0
20
±4
5
100
1.05
0.95
8.0
100
30
5.0
64
4
140
30
MAX
69.0
1
108
1.10
1.0
1
160
60
5.2
UNITS
kHz
kHz
kHz
%
%
μA
V
V
V
V
V
ns
ns
V
ms
ms
°C
°C
Leadtrend Technology Corporation
LD7750A-DS-00 June 2010
6
www.leadtrend.com.tw