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參數資料
| 型號： | FAN1655 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 3A DDR Bus Termination Regulator |
| 中文描述： | 第3A DDR總線終端穩壓器 |
| 文件頁數： | 2/9頁 |
| 文件大?。?/td> | 513K |
| 代理商： | FAN1655 |
PRODUCT SPECIFICATION
FAN1655
2
REV. 1.1.4 3/24/04
Pin Assignments
Pin Definitions
Typical Application
Pin
Pin Name
VDD
VTTFORCE
VSS
VTTSENSE
VREFIN
Pin Function Description
MLP
1, 4
2, 3
PAD
5
eTSSOP
1, 2, 7
3, 6
4, 5, 8
10
11
SOIC-14
1, 2, 7
3, 6
4, 5, 8
9
10
Input power for the LDO.
The VTT output voltage.
IC Ground.
Feedback for remote sense of the VTT voltage.
Alternative input for direct control of VTTOUT and
VREFOUT.
Shutdown. This active low shutdown turns off both VTT
and VREFOUT. This pin has an internal pull-down, and
must be externally driven high for the IC to be on.
Signal Ground.
Buffered Voltage Reference Output.
VDDQ Input. Attach this pin to the VDDQ supply to
generate VTT and VREFOUT.
No Internal Connection
Connect PAD to Vss Ground Plane
6
12
11
SHDN
13
14
15
12
13
14
VSSQ
VREFOUT
VDDQ
7
8
9, 16
PAD
NC
PAD
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
FAN1655
NC
VDDQ
VREFOUT
VSSQ
SHDN
VREFIN
VTTSENSE
NC
VDD
VDD
VTTFORCE
VSS
VSS
VTTFORCE
VDD
VSS
14
13
12
11
10
9
8
1
2
3
4
5
6
7
FAN1655M
VDDQ
VREFOUT
VSSQ
SHDN
VREFIN
VTTSENSE
VSS
VDD
VDD
VTTFORCE
VSS
VSS
VTTFORCE
VDD
VDDQ
VREFOUT
SHDN
VTTSENSE
VDD
VTTFORCE
VTTFORCE
VDD
GND
1
2
3
4
8
7
6
5
16-Lead Plastic eTSSOP-16
θ
JC
= 4C/W*
*Thermal impedance is measured with the
power pad soldered to a 0.5 square inch
copper area. The copper area should be
connected to Vss (ground) and positioned
over an internal power or ground plane to
assist in heat dissipation.
14-Lead Plastic SOIC
θ
JC
= 37C/W,
θ
JA
= 88C/W
8-Lead MLP Package (5x6mm)
θ
JC
= 4C/W,
θ
JA
= 34C/W as
measured on FAN1655MP
Eval Board
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
100
μ
F
6V
10
μ
F
GND
VDD
1nF
(connect to VTTFORCE
at the load)
VTTSENSE
470
μ
F
10
μ
F
VTTFORCE
1nF
GND
VREFOUT
SHDN
VDDQ
10k
FAN1655
Figure 1. (eTSSOP pinout shown)
相關PDF資料 |
PDF描述 |
|---|---|
| FAN1655M | 3A DDR Bus Termination Regulator |
| FAN1655MPX | 3A DDR Bus Termination Regulator |
| FAN1655MTF | 3A DDR Bus Termination Regulator |
| FAN1655MX | 3A DDR Bus Termination Regulator |
| FAN1851A | Ground Fault Interrupter |
相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN1655_06 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3A DDR Bus Termination Regulator |
| FAN1655_YAA3026B WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| FAN1655M | 功能描述:低壓差穩壓器 - LDO 3a DDR Bus Term RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| FAN1655M_Q | 功能描述:低壓差穩壓器 - LDO 3a DDR Bus Term RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| FAN1655MPX | 功能描述:低壓差穩壓器 - LDO 3a DDR Bus Term RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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