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参数资料
| 型号： | LT3469ETS8#TRM |
| 厂商： | Linear Technology |
| 文件页数： | 1/8页 |
| 文件大小： | 0K |
| 描述： | IC AMP DVR W/REG 1.3MHZ TSOT23-8 |
| 标准包装： | 500 |
| 类型： | AB 类 |
| 输出类型： | 1-通道（单声道） |
| 电源电压： | 2.5 V ~ 16 V |
| 特点： | 差分输入 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | TSOT-23-8 |
| 封装/外壳： | SOT-23-8 薄型，TSOT-23-8 |
| 包装： | 带卷 (TR) |
| 其它名称： | LT3469ETS8 LT3469ETS8-ND |
LT3469
1
3469f
Amplifier
s
Current Limit:
±40mA Typical
s
Input Common Mode Range: 0V to 10V
s
Output Voltage Range: 1V to (VCC – 1V)
s
Differential Gain Stage with High Impedance Output
(gm Stage)
s
Quiescent Current (from VCC): 2mA
s
Unloaded Gain: 30,000 Typical
Switching Regulator
s
Generates VCC Up to 35V
s
Wide Operating Supply Range: 2.5V to 16V
s
High Switching Frequency: 1.3MHz
s
Internal Schottky Diode
s
Tiny External Components
s
Current Mode Switcher with Internal Compensation
s
Low Profile (1mm) SOT-23 Package
Piezo Microactuator Driver
with Boost Regulator
s
Piezo Speakers
s
Piezo Microactuators
s
Varactor Bias
, LTC and LT are registered trademarks of Linear Technology Corporation.
+
–
+IN
35
6
2
4
1
8
7
GND
FB
VCC
SW
LT3469
VIN
453k
16.5k
0.47
F
50V
VOUT
1V TO 33V
PIEZO
ACTUATOR
5nF < C < 300nF
10k
+
–
9.09k
100k
47
H
–IN
OUT
3469 TA03
5V OR 12V
INPUT
0V TO 3V
1
F
16V
The LT
3469 is a transconductance (gm)amplifierthatcan
drive outputs up to 33V from a 5V or 12V supply. An
internal switching regulator generates a boosted supply
voltage for the gm amplifier. The amplifier can drive
capacitive loads in the range of 5nF to 300nF. Slew rate is
limited only by the maximum output current. The 35V
output voltage capability of the switching regulator, along
with the high supply voltage of the amplifier, combine to
allow the wide output voltage range needed to drive a
piezoceramic microactuator.
The LT3469 switching regulator switches at 1.3MHz,
allowing the use of tiny external components. The output
capacitor can be as small as 0.22
F, saving space and cost
versus alternative solutions.
The LT3469 is available in a low profile ThinSOT
TM package.
ThinSOT is a trademark of Linear Technology Corporation.
Piezo Microactuator Driver
Response Driving a 33nF Load
IOUT
100mA/DIV
VOUT
10V/DIV
INPUT
5V/DIV
50
s/DIV
3469 TA04
FEATURES
DESCRIPTIO
U
APPLICATIO S
U
TYPICAL APPLICATIO
U
相关PDF资料 |
PDF描述 |
|---|---|
| LLM31MR71C104MA01L | CAP CER 0.1UF 16V 20% X7R 1206 |
| LT3469ETS8#TRPBF | IC AMP DVR W/REG 1.3MHZ TSOT23-8 |
| LLM215C70G155ME11L | CAP CER 1.5UF 4V 20% X7S 0805 |
| LT3469ETS8#TR | IC AMP DVR W/REG 1.3MHZ TSOT23-8 |
| LLM215R70J684MA11L | CAP CER 0.68UF 6.3V 20% X7R 0805 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3470 | 制造商:LINEAR 制造商全称:LINEAR 功能描述:Micropower Buck Regulator with Integrated Boost and Catch Diodes |
| LT3470A | 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower Buck Regulator with Integrated Boost and Catch Diodes |
| LT3470AEDDB#PBF | 制造商:Linear Technology 功能描述:SP-SWREG/Monolithic, Cut Tape 4Vin start-up, Micropower Buck Regulator with Inte |
| LT3470AEDDB#TRMPBF | 功能描述:IC REG BUCK ADJ 0.25A 8DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
| LT3470AEDDB#TRPBF | 功能描述:IC REG BUCK ADJ 0.25A 8DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:2,500 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V，1.5V，1.8V，2.5V 输入电压:2.7 V ~ 20 V PWM 型:- 频率 - 开关:- 电流 - 输出:50mA 同步整流器:是 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽）裸露焊盘 包装:带卷 (TR) 供应商设备封装:10-MSOP 裸露焊盘 |
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