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參數(shù)資料
| 型號： | LTC3200 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | Low Noise, Regulated Charge Pump DC/DC Converters(可調(diào)輸出，低噪聲，穩(wěn)壓型，電荷泵DC/DC變換器（8-腳MSOP封裝）) |
| 中文描述： | 低噪聲，穩(wěn)壓電荷泵DC / DC轉(zhuǎn)換器（可調(diào)輸出，低噪聲，穩(wěn)壓型，電荷泵型DC / DC變換器（8 -腳型MSOP封裝）） |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 178K |
| 代理商： | LTC3200 |
LTC3200/LTC3200-5
Low Noise, Regulated
1
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.
The LTC
3200/LTC3200-5 are low noise, constant fre-
quency switched capacitor voltage doublers. They pro-
duce a regulated output voltage from a 2.7V to 4.5V input
with up to 100mA of output current. Low external parts
count (one flying capacitor and two small bypass capaci-
tors at V
IN
and V
OUT
) make the LTC3200/LTC3200-5
ideally suited for small, battery-powered applications.
A new charge-pump architecture maintains constant
switching frequency to zero load and reduces both output
and input ripple. The LTC3200/LTC3200-5 have thermal
shutdown capability and can survive a continuous short-
circuit from V
OUT
to GND. Built-in soft-start circuitry
prevents excessive inrush current during start-up.
High switching frequency enables the use of small ceramic
capacitors. A low current shutdown feature disconnects
the load from V
IN
and reduces quiescent current to <1
μ
A.
The LTC3200 is available in an 8-pin MSOP package and
the LTC3200-5 is available in a 6-pin SOT-23.
I
White LED Backlighting
I
Li-Ion Battery Backup Supplies
I
Local 3V to 5V Conversion
I
Smart Card Readers
I
PCMCIA Local 5V Supplies
, LTC and LT are registered trademarks of Linear Technology Corporation.
I
Low Noise Constant Frequency Operation
I
Output Current: 100mA
I
Fixed 5V
±
4% Output (LTC3200-5) or ADJ
I
V
IN
Range: 2.7V to 4.5V
I
Automatic Soft-Start Reduces Inrush Current
I
2MHz Switching Frequency
I
No Inductors
I
I
CC
<1
μ
A in Shutdown
I
Available in 8-Pin MSOP (LTC3200) and 6-Pin
SOT-23 (LTC3200-5) Packages
APPLICATIU
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
Charge Pump DC/DC Converters
October 2000
Final Electrical Specifications
Regulated 5V Output from a 2.7V to 4.5V Input
Output Ripple Voltage vs Load Current
OUTPUT CURRENT (mA)
0
O
P
)
20
30
100
3200 TA02
10
0
25
50
75
40
C
OUT
= 2.2
μ
F
C
OUT
= 1
μ
F
V
IN
= 3V
C
FLY
= 1
μ
F
T
A
= 25
°
C
1
LTC3200-5
V
IN
2
3
6
5
4
V
OUT
3200-5 TA01
1
μ
F
1
μ
F
1
μ
F
GND
C
+
C
–
SHDN
ON
OFF
V
IN
2.7V TO 4.5V
V
OUT
=
5V
±
4%
I
OUT
UP TO 40mA, V
IN
≥
2.7V
I
OUT
UP TO 100mA, V
IN
≥
3.1V
ALL CAPACITORS = MURATA GRM 39X5R105K6.3AJ
OR TAIYO YUDEN JMK107BJ105MA
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC3200-5 | Low Noise, Regulated Charge Pump DC/DC Converters(5V輸出，低噪聲，穩(wěn)壓型，電荷泵DC/DC變換器（6-腳SOT-23封裝）) |
| LTC3204 | Low Noise Regulated Charge Pump in 2 X 2 DFN |
| LTC3204BEDC-3.3 | Low Noise Regulated Charge Pump in 2 X 2 DFN |
| LTC3204BEDC-5 | Low Noise Regulated Charge Pump in 2 X 2 DFN |
| LTC3204-5 | Low Noise Regulated Charge Pump in 2 X 2 DFN |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC3200-5 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:DC/DC CONVERTERl |
| LTC3200EMS8 | 功能描述:IC REG SWITCHED CAP DBL 8MSOP 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:- 標準包裝:500 系列:- 類型:切換式電容器（充電泵），反相 輸出類型:固定 輸出數(shù):1 輸出電壓:-3V 輸入電壓:2.3 V ~ 5.5 V PWM 型:Burst Mode? 頻率 - 開關(guān):900kHz 電流 - 輸出:100mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 細型，TSOT-23-6 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:TSOT-23-6 其它名稱:LTC1983ES6-3#TRMTR |
| LTC3200EMS8#PBF | 功能描述:IC REG SWITCHED CAP DBL 8MSOP 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:- 標準包裝:500 系列:- 類型:切換式電容器（充電泵），反相 輸出類型:固定 輸出數(shù):1 輸出電壓:-3V 輸入電壓:2.3 V ~ 5.5 V PWM 型:Burst Mode? 頻率 - 開關(guān):900kHz 電流 - 輸出:100mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 細型，TSOT-23-6 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:TSOT-23-6 其它名稱:LTC1983ES6-3#TRMTR |
| LTC3200EMS8#TR | 功能描述:IC REG SWITCHED CAP DBL 8MSOP 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:- 標準包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC |
| LTC3200EMS8#TRPBF | 功能描述:IC REG SWITCHED CAP DBL 8MSOP 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:- 標準包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC |
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