LT1965EDD#TRPBF

IC REG LINEAR POS ADJ 1.1A 8DFN

LT1965EDD#TRPBF是一款1.1A低噪声低压差线性稳压器，输入电压范围1.8V至20V，典型压差310mV，采用8引脚3mm×3mm DFN封装，具备反接保护和热限制功能。规格书核对

输出电压1.2 ~ 19.5 V

输出电流1.1 A

输入电压范围1.8 ~ 20 V

压差310 mV

全部替代型号

输出电压1.2 ~ 19.5 V

输出电流1.1 A最大

输入电压范围1.8 ~ 20 V

压差310 mV典型 · 310mV Typ (at I_LOAD = 1.1A)

静态电流500 µA典型 · I_LOAD = 0mA，V_IN = V_OUT(NOMINAL) + 1V)

23 项

参数	值和测试条件	出处
输出电压	1.20V to 19.5V (Adjustable), Fixed: 1.5V, 1.8V, 2.5V, 3.3V
输出电流	1.1A
输入电压范围	1.8V to 20V
压差	310mV Typ (at I_LOAD = 1.1A)
静态电流	500µA Typ (Adjustable Version, I_LOAD = 0mA, V_IN = V_OUT(NOMINAL) + 1V)
封装	8-Lead 3mm × 3mm DFN
工作温度	0°C to 125°C (E-Grade)
等级	E-Grade
RoHS	Pb-Free (implied by #TRPBF suffix)
输出噪声	40µV RMS (10Hz to 100kHz, C_OUT = 10µF, I_LOAD = 1.1A)
线性调整率	Max 9mV (LT1965, ΔV_IN = 2.1V to 20V, I_LOAD = 1mA, E-Grade)
负载调整率	Max 8mV (LT1965, V_IN = 2.3V, ΔI_LOAD = 1mA to 1.1A, T_J < 125°C)
关断静态电流	Max 1µA (V_IN = 6V, V_SHDN = 0V)
纹波抑制比	Typ 57dB, Max 75dB (V_IN - V_OUT = 1.5V, V_RIPPLE = 0.5V_P-P, f = 120Hz, I_LOAD = 0.75A)
限流	Min 1.2A (V_IN = V_OUT(NOMINAL) + 1V, ΔV_OUT = -0.1V, T_J < 125°C)
输入反向漏电流	Max 1mA (V_IN = -20V, V_OUT = 0)
输出反向电流	Max 400µA (LT1965, V_OUT = 1.2V, V_IN = 0)
关断阈值	Min 0.85V, Max 2V (V_OUT = Off to On)
ADJ引脚偏置电流	Typ 1.3µA, Max 4.5µA
SHDN引脚电流	Max 10µA (V_SHDN = 20V)
最小输入电压	Min 1.8V, Max 2.3V (I_LOAD = 1.1A, T_J < 125°C)
热阻	θ_JA = 65°C/W, θ_JC = 3°C/W (DD Package)
最大结温	125°C (E-Grade)

全部参数（22 项）展开收起

电源
Current - Output	1.1A
Current - Quiescent (Iq)	1.1 mA
Current - Supply (Max)	40 mA
Voltage Dropout (Max)	0.49V @ 1.1A
Voltage - Input (Max)	20V
Voltage - Output (Max)	19.5V
Voltage - Output (Min/Fixed)	1.2V
交流 / 直流特性
PSRR	75dB (120Hz)
环境与封装
Mounting Type	Surface Mount
Operating Temperature	-40°C ~ 125°C
Package	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®
Package / Case	8-WFDFN Exposed Pad
Supplier Device Package	8-DFN (3x3)
其他
Base Product Number	LT1965
Control Features	Enable
Mfr	Analog Devices Inc.
Number of Regulators	1
Output Configuration	Positive
Output Type	Adjustable
Product Status	Active
Protection Features	Over Current, Over Temperature, Reverse Polarity
Series	-

规格书核对内容由 AI 从原厂规格书提取，点页码查看原文。