参数资料
型号: LT1965EMS8E-1.8#PBF
厂商: Linear Technology
文件页数: 13/22页
文件大小: 0K
描述: IC REG LDO 1.8V 1.1A 8-MSOP
产品培训模块: More Information on LDOs
标准包装: 50
稳压器拓扑结构: 正,固定式
输出电压: 1.8V
输入电压: 最高 20V
电压 - 压降(标准): 0.31V @ 1.1A
稳压器数量: 1
电流 - 输出: 1.1A
电流 - 限制(最小): 1.2A
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)裸露焊盘
供应商设备封装: 8-MSOP-EP
包装: 管件
LT1965 Series
APPLICATIONS INFORMATION
Voltage and temperature coefficients are not the only
sources of problems. Some ceramic capacitors have a
piezoelectric response. A piezoelectric device generates
voltage across its terminals due to mechanical stress,
similar to the way a piezoelectric accelerometer or micro-
phone works. For a ceramic capacitor, the stress can be
induced by vibrations in the system or thermal transients.
The resulting voltages produced can cause appreciable
amounts of noise. A ceramic capacitor produced the trace
in Figure 5 in response to light tapping from a pencil.
Similar vibration induced behavior can masquerade as
increased output voltage noise.
Overload Recovery
Like many IC power regulators, the LT1965 has safe oper-
ating area protection. The safe area protection decreases
current limit as input-to-output voltage increases and keeps
the power transistor inside a safe operating region for all
values of input-to-output voltage. The protective design
provides some output current at all values of input-to-
output voltage up to the device breakdown.
When power is first applied, as input voltage rises, the
output follows the input, allowing the regulator to start up
into very heavy loads. During start-up, as the input voltage
20
0
BOTH CAPACITORS ARE 16V,
1210 CASE SIZE, 10μF
40
20
–20
X5R
0
X5R
–20
–40
–40
Y5V
–60
Y5V
–60
–80
–80
BOTH CAPACITORS ARE 16V,
1210 CASE SIZE, 10μF
–100
0
2
4
6
8
10
12
14
16
–100
–50 –25
0
25
50
75
100
125
DC BIAS VOLTAGE (V)
1965 F03
TEMPERATURE (°C)
1965 F04
Figure 3. Ceramic Capacitor DC Bias Characteristics
1mV/DIV
Figure 4. Ceramic Capacitor Temperature Characteristics
V OUT = 1.3V
C OUT = 10μF
I LOAD = 0
1ms/DIV
1965 F05
Figure 5. Noise Resulting from Tapping on a Ceramic Capacitor
13
For more information www.linear.com/LT1965
1965fb
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相关代理商/技术参数
参数描述
LT1965EMS8E-2.5#PBF 功能描述:IC REG LDO 2.5V 1.1A 8-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 产品培训模块:MIC5365/66 Ultra-small LDO Regulators 标准包装:1 系列:- 稳压器拓扑结构:正,固定式 输出电压:3V 输入电压:最高 5.5V 电压 - 压降(标准):0.155V @ 150mA 稳压器数量:1 电流 - 输出:150mA 电流 - 限制(最小):200mA 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:4-UDFN 裸露焊盘,4-TMLF? 供应商设备封装:4-TMLF?(1x1) 包装:Digi-Reel® 其它名称:576-3192-6
LT1965EMS8E-2.5#TRPBF 功能描述:IC REG LDO 2.5V 1.1A 8-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:800 系列:- 稳压器拓扑结构:正,固定式 输出电压:2.5V 输入电压:最高 16V 电压 - 压降(标准):0.7V @ 4A 稳压器数量:1 电流 - 输出:4A 电流 - 限制(最小):4.2A 工作温度:0°C ~ 125°C 安装类型:表面贴装 封装/外壳:TO-263-6,D²Pak(5 引线+接片),TO-263BA 供应商设备封装:TO-263-5 包装:带卷 (TR) 其它名称:AP1184K525L-13AP1184K525LDITR
LT1965EMS8E-3.3#PBF 功能描述:IC REG LDO 3.3V 1.1A 8-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 产品培训模块:MIC5365/66 Ultra-small LDO Regulators 标准包装:1 系列:- 稳压器拓扑结构:正,固定式 输出电压:3V 输入电压:最高 5.5V 电压 - 压降(标准):0.155V @ 150mA 稳压器数量:1 电流 - 输出:150mA 电流 - 限制(最小):200mA 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:4-UDFN 裸露焊盘,4-TMLF? 供应商设备封装:4-TMLF?(1x1) 包装:Digi-Reel® 其它名称:576-3192-6
LT1965EMS8E-3.3#TRPBF 功能描述:IC REG LDO 3.3V 1.1A 8-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 系列:- 标准包装:800 系列:- 稳压器拓扑结构:正,固定式 输出电压:2.5V 输入电压:最高 16V 电压 - 压降(标准):0.7V @ 4A 稳压器数量:1 电流 - 输出:4A 电流 - 限制(最小):4.2A 工作温度:0°C ~ 125°C 安装类型:表面贴装 封装/外壳:TO-263-6,D²Pak(5 引线+接片),TO-263BA 供应商设备封装:TO-263-5 包装:带卷 (TR) 其它名称:AP1184K525L-13AP1184K525LDITR
LT1965EMS8EPBF 制造商:Linear Technology 功能描述:1.1A Low Noise, LDO Regulator LT1965