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UR5515-S08-R データシート(PDF) 3 Page - E-Tech Electronics LTD

部品番号 UR5515-S08-R
部品情報  1.5A/3A BUS TERMINATION REGULATOR
PDF  8 Pages
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メーカー  ETL [E-Tech Electronics LTD]
ホームページ  http://e-tech.com.hk
Logo ETL - E-Tech Electronics LTD

UR5515-S08-R データシート(HTML) 3 Page - E-Tech Electronics LTD

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UR5515
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
3 of 8
www.unisonic.com.tw
QW-R502-056,A
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
VIN
7
V
Power Dissipation
PD
Internally Limited
W
Junction Temperature
TJ
125
℃
Storage Temperature Range
TSTG
-40 ~ 150
℃
Note:1.Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
2.The device is guaranteed to meet performance specification within 0℃~70℃ operating temperature range
and assured by design from –20℃~85℃.
ELECTRICAL CHARACTERISTICS
(Ta = 25℃, unless otherwise specified: VIN = 2.5V, VCNTL= 3.3V, VREF = 1.25V, COUT=10μF(Ceramic).)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX UNIT
Input Voltage Range(Note 1)
VIN
No Load,(Note 2)
DDR-I
1.6
2.5
V
DDR-II
1.8
VCNTL
DDR-I
3.3
6
DDR-II
3.3
6
Output Offset Voltage
VOS
IOUT=0A, Fig. 1 (Note 3)
-20
0
20
mV
Operating Current of VCNTL
ICNTL
No Load
6.5
10
mA
Load Regulation
|△VLOAD|
IL: 0~1.5A, Fig. 1
DDR-I
0.8
2
%
DDR-II
1.2
3
IL: 0~-1.5A, Fig. 1
DDR-I
0.8
2
DDR-II
1.2
3
Current In Shutdown Mode
ISHDN
VREF<0.2V, RL=180Ω, Fig. 2
50
90
μA
Short Circuit Protection
Current Limit
UR5515
ILIMIT
Fig 3, 4
2.1
A
UR5515A
Fig 3, 4
3.0
Over Temperature Protection
Thermal Shutdown Temperature
TSD
3.3V≤VCNTL≤5V
125
150
℃
Thermal Shutdown Hysteresis
50
℃
Shutdown Function
Shutdown Threshold Voltage
VTHD
Fig 5
0.2
0.8
V
Note 1. For safely operate your system, the 3.3V rail have to be tied to VCNTL rather than 5V rail
2. Keep VCNTL≥VIN on operation power on and power off sequences.
3. VOS offset is the voltage measurement defined as VOUT subtracted from VREF.
THERMAL DATA
PARAMETER
SYMBOL
RATINGS
UNIT
Thermal Resistance Junction-Case
SOP-8
θJC
35
℃
/W
TO-252-5
8
TO-263-5
4



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