YD2576 Datasheet, PDF (2/3 Pages) Wuxi Youda electronics Co.,LTD – SIMPLE SWITCHER 3A STEP-DOWN VOLTAGE

YOUDA INTEGRATED CIRCUIT
YD2576
ABSOLUTE MAXIMUM RATINGS (Tamb=25℃)
PARAMETER
Supply Voltage
Power Dissipation
Operating Temperature
Storage Temperature
SYMBOL
Vcc
PD
Topr
Tstg
VALUE
45
15
-25 to +75
-65 to +150
UNIT
V
W
℃
℃
ELECTRICAL CHARACTERISTICS (Vcc=12V,Tamb=25℃,Unless otherwise specified)
Parameter
Symbol Test Condition Min.
Typ.
Max.
Unit
Output Voltage
Vout
Iload=0.5A
4.9
5
5.1
V
Vout 0.5A≦Iload≦3A 4.8
5
5.2
V
Output Voltage
8V≦Vin≦40V
4.75
5
5.25
V
Efficiency
η
Iload=3A
77
％
Tj=25℃
52
kHz
Osillator Frequency
Fosc
Tj=0to+125℃
47
58
kHz
Tj=-40to+125℃
42
63
kHz
Saturation Voltage
Tj=25℃
Vsat
Tj=-40to+125℃
1.5
1.8
V
2
V
Max Duty Cycle
DC
94
98
％
Current Limit
Tj=25℃
4.2
5.8
6.9
A
IcL
Tj=-40to+125℃
3.5
7.5
A
Output Leakage
Tj=25℃
IL
Tj=-40to+125℃
0.8
2
mA
6
20
mA
Quniescent Current
Tj=25℃
Iq
Tj=-40to+125℃
5
9
mA
11
mA
Standby Quniescent
Current
Standby Threshold
Istby
V_STB
Pin5=5V
50
200
uA
2
V
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