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LD7120CS Datasheet(PDF) 4 Page - Leadtrend Technology

Part # LD7120CS
Description  Single Synchronous Buck PWM Controller
PDF  8 Pages
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Manufacturer  LEADTREND [Leadtrend Technology]
Direct Link  https://www.leadtrend.com.tw/
Logo LEADTREND - Leadtrend Technology

LD7120CS Datasheet(HTML) 4 Page - Leadtrend Technology

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LD7120
4
Leadtrend Technology Corporation
LD7120-DS-05 February 2005
Electrical Characteristics
(TA = +25
oC unless otherwise stated, VCC=5.0V)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Vcc Supply Current
Nominal Supply
UGATE and LGATE Open
2.0
mA
Power On Reset
Rising VCC POR Threshold
4.1
4.3
4.5
V
VCC POR Threshold Hysteresis
0.4
V
Oscillator
Frequency
Vcc=5V
250
300
340
KHz
Ramp Amplitude
1.5
Vp-p
Reference
Reference Voltage Tolerance
2
%
Nominal Reference Voltage
0.8
V
Error Amplifier
DC Gain
70
dB
Gain Bandwidth Product
10
MHz
Gate Drivers
Upper Gate Source Current
-1
A
Upper Gate Sink Current
1
A
Lower Gate Source Current
-1
A
Lower Gate Sink Current
2
A
Protection/Disable
OCSET Current Source
17.5
20
22.5
µA
Disable Threshold
0.8
V



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