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參數(shù)資料
| 型號： | LT3464 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Micropower Boost Converter with Integrated Schottky and Output Disconnect in ThinSOT |
| 中文描述： | SWITCHING REGULATOR, UUC8 |
| 封裝： | DIE-8 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 260K |
| 代理商： | LT3464 |
LT3464
1
3464i
I
Tiny Solution Size
I
Low Quiescent Current
25
μ
A in Active Mode
0.5
μ
A in Shutdown Mode
I
Integrated Schottky Diode
I
Integrated PNP Output Disconnect with
Short-Circuit Protection
I
Internal Reference Override Pin
I
16V at 8mA from 3.6V Input
I
12V at 20mA from 5V Input
I
Low V
CE(SAT)
Switch: 190mV at 80mA
I
Input Range: 2.3V to 10V
I
High Output Voltage: Up to 34V
I
Low Profile (1mm) ThinSOT Package
APPLICATIOU
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
Micropower Boost
Converter with Integrated Schottky
and Output Disconnect in ThinSOT
January 2003
The LT
3464 is a micropower step-up DC/DC converter
with integrated Schottky diode and output disconnect
packaged in an 8-lead low profile (1mm) ThinSOT
TM
. The
small package size, high level of integration, and the use
of tiny SMT components yield a solution size of less than
40mm
2
. The LT3464 has a typical current limit of 115mA
as well as fast switching speed to allow the use of a chip
inductor and small ceramic capacitors. The internal PNP
disconnects the output load from the input during shut-
down, and also provides output short-circuit protection.
An auxiliary reference input allows the user to override the
internal 1.25V feedback reference with any lower value,
allowing full control of the output voltage during opera-
tion. This device features a low 25
μ
A quiescent current,
which is further reduced to less than 1
μ
A in shutdown. A
current limited fixed off-time control scheme conserves
operating current, resulting in high efficiency over a broad
range of operating current. The rugged 36V switch and
output disconnect circuitry allow outputs up to 34V to be
easily generated in a simple boost topology.
, LTC and LT are registered trademarks of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technolgy Corporation
I
LCD Bias
I
Handheld Computers
I
Battery Backup
I
Digital Cameras
I
Cellular Phones
CTRL
SHDN
V
IN
V
IN
2.3V TO 10V
V
OUT
16V
SW
OUT
GND
CAP
FB
LT3464
L1
22
μ
H
C1
1
μ
F
C3
0.22
μ
F
C2
0.33
μ
F
3.48M
294k
1
8
7
6
3
5
2
4
3464 TA01a
C1: TAIYO YUDEN LMK107 BJ105MA-T
C2: TAIYO YUDEN GMK212 BJ474MG-T
C3: TAIYO YUDEN GMK212 BJ224MG-T
L1: MURATA LQH32CN220K
Efficiency
Final Electrical Specifications
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.
LOAD CURRENT (mA)
E
90
80
70
60
50
40
30
0.01
1
10
100
3634 TA01b
0.1
V
IN
= 8.4V
V
IN
= 4.2V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT3464_1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower Boost Converter with Schottky and Output Disconnect in ThinSOT? |
| LT3464ETS8 | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Up 2.3V to 10V 8-Pin TSOT-23 |
| LT3464ETS8#PBF | 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Up 2.3V to 10V 8-Pin TSOT-23 制造商:Linear Technology 功能描述:SP-SWREG/Monolithic, CUT TAPE 85mA Boost Converter w/intnl Schottky |
| LT3464ETS8#TR | 功能描述:IC REG BOOST ADJ 115MA TSOT23-8 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: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(xì)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 |
| LT3464ETS8#TRM | 功能描述:IC REG BOOST ADJ 115MA TSOT23-8 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: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(xì)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 |
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