参数资料
| 型号： | LTC3035EDDB#TRMPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .3A 8-DFN |
| 产品培训模块： | More Information on LDOs |
| 标准包装： | 500 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 0.4 V ~ 3.6 V |
| 输入电压： | 1.7 V ~ 5.5 V |
| 电压 - 压降（标准）： | 0.045V @ 300mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 300mA（最小） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN（3x2） |
| 包装： | 带卷 (TR) |
LTC3035
300mA VLDO Linear
Regulator with Charge Pump
Bias Generator
FEATURES
DESCRIPTIO
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Wide Input Voltage Range: 1.7V to 5.5V
Wide Adjustable Output Voltage Range:
0.4V to 3.6V
Built-In Charge Pump Generates High Side Bias
Very Low Dropout: 45mV at 300mA
± 2% Voltage Accuracy Over Temperature,
Supply, Load
Fast Transient Recovery
Low Operating Current: I IN = 100 μ A Typ
Low Shutdown Current: I IN = 1 μ A Typ
Stable with Ceramic Capacitor Down to 1 μ F
Output Current Limit
Thermal Overload Protected
Reverse Output Current Protected
Available in 8-Lead (3mm × 2mm) DFN Package
The LTC ? 3035 is a micropower, VLDO? (very low drop-
out) linear regulator which operates from input voltages as
low as 1.7V. The device is capable of supplying 300mA of
output current with a typical dropout voltage of only
45mV. To allow operation at low input voltages the LTC3035
includes a charge pump generator that provides the nec-
essary bias voltage for the internal LDO circuitry. Output
current comes directly from the input supply for high
efficiency regulation. The charge pump bias generator
requires only a 0.1 μ F flying capacitor and a 1 μ F bypass
capacitor for operation. The low 0.4V internal reference
voltage allows the LTC3035 to be programmed to much
lower output voltages than commonly available in LDOs.
The output voltage is programmed via two tiny SMD
resistors. The LTC3035’s low quiescent current makes it
APPLICATIO S
an ideal choice for use in battery-powered systems.
Other features include high output voltage accuracy, ex-
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Li-Ion to 3.3V Low Dropout Supplies
2 × AA to 1.8V Low Dropout Supplies
Low Power Handheld Devices
Low Voltage Logic Supplies
DSP Power Supplies
Cellular Phones
Portable Electronic Equipment
Handheld Medical Instruments
Post Regulator for Switching Supply Noise Rejection
cellent transient response, stability with ultralow ESR
ceramic capacitors as small as 1 μ F, short-circuit and
thermal overload protection, output current limiting and
reverse output current protection. The LTC3035 is avail-
able in a tiny, low profile (3mm × 2mm × 0.75mm) 8-lead
DFN package.
, LTC and LT are registered trademarks of Linear Technology Corporation.
VLDO is a trademark of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
Protected by U.S. Patents, including 6411531, others pending.
TYPICAL APPLICATIO
Dropout Voltage vs Load Current
3.3V Output Voltage from Li-Ion Battery
0.1 μ F
CM
CP
70
60
50
T A = 25 ° C
BIAS
BIAS
40
Li-Ion
BATTERY
3.4V TO 4.2V
1 μ F
IN
0.4V
GENERATOR
+
–
OUT
C BIAS
1 μ F
V OUT
3.3V
30
20
LTC3035
ADJ
294k
C OUT 300mA
1 μ F
10
OFF ON
SHDN
GND
40.2k
0
0
50
100
150
200
250
300
3035 TA01a
I OUT (mA)
3035 TA01b
3035f
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3100 | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.5MHz Synchronous Dual Channel DC/DC Converter and 100mA LDO |
| LTC3100EUD#PBF | 功能描述:IC REG BUCK/BOOST/LINEAR 16-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 + 切换式 系列:- 标准包装:2,500 系列:- 拓扑:降压（降压）同步（3），线性（LDO）（2） 功能:任何功能 输出数:5 频率 - 开关:300kHz 电压/电流 - 输出 1:控制器 电压/电流 - 输出 2:控制器 电压/电流 - 输出 3:控制器 带 LED 驱动器:无 带监控器:无 带序列发生器:是 电源电压:5.6 V ~ 24 V 工作温度:-40°C ~ 85°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* |
| LTC3100EUD#TRPBF | 功能描述:IC REG BUCK/BOOST/LINEAR 16-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 + 切换式 系列:- 标准包装:2,500 系列:- 拓扑:降压（降压）同步（3），线性（LDO）（2） 功能:任何功能 输出数:5 频率 - 开关:300kHz 电压/电流 - 输出 1:控制器 电压/电流 - 输出 2:控制器 电压/电流 - 输出 3:控制器 带 LED 驱动器:无 带监控器:无 带序列发生器:是 电源电压:5.6 V ~ 24 V 工作温度:-40°C ~ 85°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* |
| LTC3100EUD-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.5MHz Synchronous Dual Channel DC/DC Converter and 100mA LDO |
| LTC3100EUD-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.5MHz Synchronous Dual Channel DC/DC Converter and 100mA LDO |
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