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AP1250GH PDF даташит

Спецификация AP1250GH изготовлена ​​​​«Advanced Power Electronics» и имеет функцию, называемую «1.5A / 3A Bus Termination Regulator».

Детали детали

Номер произв AP1250GH
Описание 1.5A / 3A Bus Termination Regulator
Производители Advanced Power Electronics
логотип Advanced Power Electronics логотип 

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AP1250GH Даташит, Описание, Даташиты
Advanced Power
Electronics Corp,
General Description
AP1250GM / AP1250GH
1.5A / 3A Bus Termination Regulator
Pb Free Plating Product
AP1250GM/H is a linear regulator designed as a cost-effective solution for active
termination of DDR SDRAM. The converting voltage range is from 1.6V to 6V into a
desired output voltage, which is adjusted by two external resistors. The current
sourcing and sinking capability of the regulator is up to 1.5A/3A while the output
voltage within 2%/3%.
This device provides on-chip thermal shutdown and current limit functions for circuit
tolerance of the output fault conditions. SO-8 and TO-252-5L packages are available
for all commercial and industrial surface mount applications.
Features
Ideal for DDR-I and DDR-II applications
Capable of sourcing and sinking current 1.5A/3A
Current limiting protection
Thermal protection
Current-shoot-through protection
High accuracy output voltage at full load
Minimum external components
Adjustable VOUT by external resistors
Shutdown for standby or suspend mode operation with high-impedance output
Block Diagram
VCNTL
VIN
VREFEN
Current limiting
sensor
Thermal
CNTL
Data and specifications subject to change without notice
VOUT
GND
200807035,1/5









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AP1250GH Даташит, Описание, Даташиты
AP1250GM / AP1250GH
Applications
Mother Board DDR-SDRAM Termination
Mother Board DDR-II Termination
Game / Play Station
Set Top Box
PCI / AGP Graphics
IPC
SCSI-III Bus Termination
Pin Configuration
Part No. AP1250GM (SO-8 package)
Part No. AP1250GH (TO-252-5L package)
VIN
GND
VREFEN
VOUT
VCNTL
VCNTL
VCNTL
VCNTL
123 45
1. VIN
2. GND
3. VCNTL(TAB)
4. VREFEN
5. VOUT
Pin Description
Pin Name
Function
VIN Power Input
GND
Ground
VCNTL
Gate Drive Voltage
VREFEN
Reference Voltage Input and Chip Enable
VOUT
Output Voltage
Data and specifications subject to change without notice
2/5









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AP1250GH Даташит, Описание, Даташиты
Absolute Maximum Ratings
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AP1250GM / AP1250GH
6V
internal limited
3KV
-55 to 150
260
20/W
80/W
6/W
40/W
Electrical Characteristics @ TA = 25( unless otherwise specified )
VIN = +2.5V, VCNTL = +3.3V, VREFEN = +1.25V, COUT = 10uF(Ceramic)
Symbol
Parameter
Test Conditions
VOS Output Offset Voltage1
IOUT = 0A
| VLOAD | Load Regulation
IL : 0 --> 1.5A
Min.
-20
--
VIN
VCNTL
Input Voltage Range(DDR I/II)2
Gate Drive Voltage Range2
ISHDN
Current in Shutdown
Short Circuit Protection
IL : 0 --> - 1.5A
VCNTL >= VIN
VCNTL >= VIN
VREFEN < 0.2V,RL=180Ω
--
1.6
--
--
ILIMIT
Current Limit
AP1250M
AP1250H
--
--
Iq Quiescent Current
Over Temperature Protection
IOUT = 0A
--
TOS Thermal Shutdown Temperature
Shutdown Function
3.3VVCNTL5V
--
Shutdown Threshold Trigger
Output = High
0.8
Shutdown Threshold Trigger
Output = Low
--
Typ. Max.
-5 20
0.5 2
0.5 2
2.5/1.8 --
3.3 6
10 90
2 --
3 --
13
140 --
-- --
-- 0.2
Units
mV
%
%
V
V
uA
A
A
mA
V
V
Notes:
1.VOS is the voltage measurement VOUT subtracted from VREFEN.
2.Keep VCNTL >= VIN at power on/off sequences.
3.Surface mounted on 1 in2 copper pad of FR4 board
Data and specifications subject to change without notice
3/5










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Номер в каталогеОписаниеПроизводители
AP1250GH1.5A / 3A Bus Termination RegulatorAdvanced Power Electronics
Advanced Power Electronics
AP1250GM1.5A / 3A Bus Termination RegulatorAdvanced Power Electronics
Advanced Power Electronics

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