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參數(shù)資料
| 型號： | LTC1516 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Micropower, Regulated 5V Charge Pump DC/DC Converter |
| 中文描述： | 微功耗，電壓5V充電泵DC / DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 7/8頁 |
| 文件大?。?/td> | 105K |
| 代理商： | LTC1516 |
7
LTC 1516
APPLICATIO
S I
FOR
ATIO
U
Paralleling Devices
W
U
U
Two or more LTC1516’s may be connected in parallel to
provide higher output currents. The V
IN
, V
OUT
, GND and
SHDN pins may be tied together, but the C1 and C2 pins
must be kept separate (see Figure 5). Separate C
IN
and
C
OUT
capacitors may be required to reduce output noise
and ripple if the paralleled devices cannot be kept close
together. Otherwise, single C
IN
and C
OUT
capacitors may
be used with each being 2
×
(or 3
×
if three parts are
paralleled, etc.) in value.
General Layout Considerations
Due to the high switching frequency and high transient
currents produced by the LTC1516, careful board layout is
a must. A clean board layout using a ground plane and
short connections to all capacitors will improve perfor-
mance and ensure proper regulation under all conditions
(refer to Figure 6).
C2
C
C
IN
V
OUT
V
IN
1516 F06
LTC1516
1
8
2
7
3
6
4
5
SHDN
GND
+
+
C1
Figure 6. Suggested Component Placement for LTC1516
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
1
2
3
4
8
7
6
5
C1
–
SHDN
GND
C2
–
C1
+
V
IN
V
OUT
C2
+
LTC1516
0.22
μ
F
ON/OFF
22
μ
F
22
μ
F
V
OUT
= 5V
±
4%
I
OUT
= 0mA TO 40mA, V
IN
≥
2V
I
OUT
= 0mA TO 100mA, V
IN
≥
3V
0.22
μ
F
V
IN
= 2V
TO 5V
+
+
1516 F05
1
2
3
4
8
7
6
5
C1
–
SHDN
GND
C2
–
C1
+
V
IN
V
OUT
C2
+
LTC1516
0.22
μ
F
0.22
μ
F
Figure 5. Paralleling Devices
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1516CS8 | 制造商:Linear Technology 功能描述:Charge Pump STPUP 5V 50mA 8-Pin SOIC N 制造商:Linear Technology 功能描述:2V to 5V/50mA Inductorless Conv. |
| LTC1516CS8#PBF | 功能描述:IC REG SWITCHED CAP DBL 5V 8SOIC 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 |
| LTC1516CS8#TR | 功能描述:IC REG SWITCHED CAP DBL 5V 8SOIC 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:- 標(biāo)準(zhǔn)包裝:2,500 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，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤 |
| LTC1516CS8#TRPBF | 功能描述:IC REG SWITCHED CAP DBL 5V 8SOIC 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:2,500 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，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤 |
| LTC1516IS8 | 功能描述:IC REG SWITCHED CAP DBL 5V 8SOIC 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:- 標(biāo)準(zhǔn)包裝:2,500 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，1.5V，1.8V，2.5V 輸入電壓:2.7 V ~ 20 V PWM 型:- 頻率 - 開關(guān):- 電流 - 輸出:50mA 同步整流器:是 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:10-MSOP 裸露焊盤 |
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