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SY8008A Datasheet(PDF) 3 Page - Silergy Corp.

Part No. SY8008A
Description  High Efficiency 1.5MHz, 0.6A/1A/1.2A Synchronous Step Down Regulator Preliminary Spec
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Maker  SILERGY [Silergy Corp.]
Homepage  http://www.silergy.com/
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 3 page
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SY8008A/SY8008B/SY8008C
SY8008Rev. # 0.91
Silergy Corp. Confidential- Prepared for Internal Use Only
3
Electrical Characteristics
(VIN = 3.6V, VOUT = 2.5V, L = 2.2uH, COUT = 10uF, TA = 25°C, IMAX = 1A unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Input Voltage Range
VIN
2.5
5.5
V
Shutdown Current
ISHDN
EN=0
0.1
1
µA
Feedback Reference
Voltage
VREF
0.588
0.6
0.612
V
FB Input Current
IFB
VFB=VIN
-50
50
nA
SY8008A
0.3
SY8008B
0.25
PFET RON
RDS(ON),P
SY8008C
0.2
SY8008A
0.25
SY8008B
0.2
NFET RON
RDS(ON),N
SY8008C
0.15
SY8008A
0.8
A
SY8008B
1.2
A
PFET Current Limit
ILIM
SY8008C
1.5
A
EN rising threshold
VENH
1.5
V
EN falling threshold
VENL
0.4
V
Input UVLO threshold
VUVLO
2.5
V
UVLO hysteresis
VHYS
0.1
V
Oscillator Frequency
FOSC
IOUT=100mA
1.5
MHz
Min ON Time
50
ns
Max Duty Cycle
100
%
Thermal Shutdown
Temperature
TSD
160
°C
Note 1: Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device.
These are for stress ratings. Functional operation of the device at these or any other conditions beyond those
indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating
conditions for extended periods may remain possibility to affect device reliability.
Note 2: θ JA is measured in the natural convection at TA = 25°C on a low effective single layer thermal
conductivity test board of JEDEC 51-3 thermal measurement standard. Pin 2 of SOT-23-5/TSOT-23-5 packages is
the case position for θ JC measurement.
Note 3. The device is not guaranteed to function outside its operating conditions.




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