LD7750 View Datasheet(PDF) - Unspecified
Part Name
Description
Manufacturer
LD7750 Datasheet PDF : 19 Pages
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Electrical Characteristics
(TA = +25°C unless otherwise stated, VCC=15.0V)
PARAMETER
CONDITIONS
High-Voltage Supply (HV Pin)
High-Voltage Current Source
Off-State Leakage Current
Supply Voltage (Vcc Pin)
VCC< UVLO(on), HV=500V
VCC> UVLO(off), HV=500V
Startup Current
Operating Current
(with 1nF load on OUT pin)
VCOMP=0V
VCOMP=3V,
OLP tripped
OVP tripped, VCC=OVP
UVLO (off)
UVLO (on)
OVP Level
Voltage Feedback (COMP Pin)
Short Circuit Current
Open Loop Voltage
VCOMP=0V
COMP pin open
Green Mode Threshold VCOMP
*
Zero Duty
Current Sensing (CS Pin)
Maximum Input Voltage, Vcs_off
Leading Edge Blanking Time
Input impedance
Delay to Output
*
Oscillator for Switching Frequency
Frequency
Green Mode Frequency
Trembling Frequency
Temp. Stability
VCOMP=4.5V
-20°C~85°C*
Voltage Stability
(VCC=11V-25V)*
LD7750E
MIN
TYP MAX UNITS
0.5
1.0
1.5
mA
35
μA
320
μA
1.2
mA
2.3
mA
0.6
mA
0.7
mA
9.0
10.0
11.0
V
15.0
16.0
17.0
V
25.0
26.0
27.0
V
0.20
0.26
0.32
mA
5.5
6.0
6.5
V
2.75
V
1.7
1.8
1.9
V
0.80
0.85
0.90
V
160
250
320
ns
1
MΩ
100
ns
61.0
65.0
69.0
KHz
22
KHz
±4
kHz
5
%
1
%
Leadtrend Technology Corporation
LD7750E-DS-00 February 2012
5
www.leadtrend.com.tw
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