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參數(shù)資料
| 型號： | LTC3413 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 3A, 2MHz Monolithic Synchronous Regulator for DDR/QDR Memory Termination |
| 中文描述： | 第3A，2MHz的單片同步調(diào)節(jié)器用于DDR / QDR存儲器終端 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大小： | 243K |
| 代理商： | LTC3413 |
12
LTC3413
sn3413 3413fs
Figure 3. One-Half V
REF
,
±
3A DDR Memory Termination Supply at 1MHz
(Efficiency Curve is Shown in Figure 1b)
R
100k
R
5.11k
R
309k
*VISHAY DALE IHLP-2525CZ-01 0.47
μ
H
**TDK C4532X5R0J107M
R
4.7M
C
SS
330pF X7R
C
2200pF
X7R
C
100pF
PGOOD
SV
IN
PGOOD
I
TH
V
FB
R
T
V
REF
RUN/SS
SGND
PV
IN
SW
SWV
FB
PGND
PGND
SW
SW
PV
IN
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
LTC3413
L1*
0.47
μ
H
C
**
100
μ
F
C
IN2
**
100
μ
F
C
OUT
**
100
μ
F
×
2
GND
3413 F03
V
OUT
1.25V
±
3A
V
IN
2.5V
adequate for most applications. Connect the V
REF
pin
directly to SV
IN
. Connecting the V
FB
pin directly to V
OUT
will set the output voltage equal to one-half of the voltage
on the V
REF
pin. The complete circuit for this design
example is illustrated in Figure 3.
PC Board Layout Checklist
When laying out the printed circuit board, the following
checklist should be used to ensure proper operation of the
LTC3413. Check the following in your layout.
1. A ground plane is recommended. If a ground plane layer
is not used, the signal and power grounds should be
segregated with all small-signal components returning to
the SGND pin at one point which is then connected to the
PGND pin close to the LTC3413.
2. Connect the (+) terminal of the input capacitor(s), C
IN
,
as close as possible to the PV
IN
pin. This capacitor
provides the AC current into the internal power MOSFETs.
3. Keep the switching node, SW, away from all sensitive
small-signal nodes.
4. Flood all unused areas on all layers with copper. Flood-
ing with copper will reduce the temperature rise of power
components. You can connect the copper areas to any DC
net (PV
IN
, SV
IN
, V
OUT
, PGND, SGND or any other DC rail in
your system).
5. Connect the V
FB
pin directly to the V
OUT
pin.
APPLICATIOU
W
U
U
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| LTC3413EFE | 功能描述:IC REG BUCK SYNC ADJ 3A 16TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 設(shè)計資源:Design Support Tool 標(biāo)準(zhǔn)包裝:1 系列:- 類型:升壓（升壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:100mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細(xì)型，TSOT-23-5 包裝:剪切帶 (CT) 供應(yīng)商設(shè)備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT |
| LTC3413EFE#PBF | 功能描述:IC REG BUCK SYNC ADJ 3A 16TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V 輸入電壓:2.05 V ~ 6 V PWM 型:電壓模式 頻率 - 開關(guān):2MHz 電流 - 輸出:500mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:6-UFDFN 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:6-SON（1.45x1） 產(chǎn)品目錄頁面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2 |
| LTC3413EFE#TR | 功能描述:IC REG BUCK SYNC ADJ 3A 16TSSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 設(shè)計資源:Design Support Tool 標(biāo)準(zhǔn)包裝:1 系列:- 類型:升壓（升壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:100mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細(xì)型，TSOT-23-5 包裝:剪切帶 (CT) 供應(yīng)商設(shè)備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT |
| LTC3413EFE#TRPBF | 功能描述:IC REG BUCK SYNC ADJ 3A 16TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 設(shè)計資源:Design Support Tool 標(biāo)準(zhǔn)包裝:1 系列:- 類型:升壓（升壓） 輸出類型:固定 輸出數(shù):1 輸出電壓:3V 輸入電壓:0.75 V ~ 2 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:100mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細(xì)型，TSOT-23-5 包裝:剪切帶 (CT) 供應(yīng)商設(shè)備封裝:TSOT-23-5 其它名稱:AS1323-BTTT-30CT |
| LTC3413EFEPBF | 制造商:Linear Technology 功能描述: 制造商:Linear Technology 功能描述:3A 2MHz Reg. for DDR Termination TSSOP16 |
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