Datasheet > LP38856T-0.8

LP38856T-0.8

更新时间： 2024-11-14 03:03:19

品牌	Logo	应用领域
美国国家半导体 - NSC		稳压器
页数	文件大小	规格书
14页	835K
描述
3A Fast-Response High-Accuracy LDO Linear Regulator with Enable

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技术参数
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LP38856T-0.8 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
包装说明：	TO-220, 5 PIN	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	8.19	可调性：	FIXED
最大回动电压 1：	0.45 V	标称回动电压 1：	0.24 V
最大绝对输入电压：	6 V	最大输入电压：	5.5 V
最小输入电压：	1.25 V	JESD-30 代码：	R-PSFM-T5
JESD-609代码：	e0	湿度敏感等级：	1
功能数量：	1	输出次数：	1
端子数量：	5	工作温度TJ-Max：	125 °C
工作温度TJ-Min：	-40 °C	最大输出电流 1：	3 A
最大输出电压 1：	0.824 V	最小输出电压 1：	0.776 V
标称输出电压 1：	0.8 V	封装主体材料：	PLASTIC/EPOXY
封装代码：	ZIP	封装等效代码：	ZIP5,.15,.17,67TB
封装形状：	RECTANGULAR	封装形式：	FLANGE MOUNT
包装方法：	RAIL	峰值回流温度（摄氏度）：	260
认证状态：	Not Qualified	调节器类型：	FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
子类别：	Other Regulators	表面贴装：	NO
技术：	CMOS	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	THROUGH-HOLE	端子节距：	1.7 mm
端子位置：	SINGLE	处于峰值回流温度下的最长时间：	40
最大电压容差：	3%	Base Number Matches：	1

LP38856T-0.8 数据手册

June 2006

LP38856

3A Fast-Response High-Accuracy LDO Linear Regulator

with Enable

General Description

Features

n Standard V_OUTvalues of 0.8V and 1.2V

n Stable with 10 µF ceramic capacitors

n Dropout voltage of 240 mV (typical) at 3A load current

n Precision Output Voltage across all line and load

conditions:

The LP38856 is a high-current, fast-response regulator

which can maintain output voltage regulation with an ex-

tremely low input to output voltage drop. Fabricated on a

CMOS process, the device operates from two input voltages:

V_BIASprovides power for the internal bias and control cir-

cuits, as well as drive for the gate of the N-MOS power

transistor, while V_INsupplies power to the load. The use of

an external bias rail allows the part to operate from ultra low

V_INvoltages. Unlike bipolar regulators, the CMOS architec-

ture consumes extremely low quiescent current at any out-

put load current. The use of an N-MOS power transistor

results in wide bandwidth, yet minimum external capacitance

is required to maintain loop stability.

—

1.0% for T_J= 25˚C

2.0% for 0˚C ≤ T_J≤ +125˚C

3.0% for -40˚C ≤ T_J≤ +125˚C

n Over-Temperature and Over-Current protection

n Available in 5 lead TO-220 and TO-263 packages

n Custom V_OUTvalues between 0.8V and 1.2V are

available

n -40˚C to +125˚C Operating Temperature Range

The fast transient response of this device makes it suitable

for use in powering DSP, Microcontroller Core voltages and

Switch Mode Power Supply post regulators. The LP38856 is

available in TO-220 and TO-263 5-Lead packages.

Applications

n ASIC Power Supplies In:

- Desktops, Notebooks, and Graphics Cards, Servers

- Gaming Set Top Boxes, Printers and Copiers

n Server Core and I/O Supplies

n DSP and FPGA Power Supplies

n SMPS Post-Regulator

Dropout Voltage: 240 mV (typical) at 3A load current.

Low Ground Pin Current: 14 mA (typical) at 3A load cur-

rent.

Shutdown Current: 1 µA (typical) I_IN(GND)when EN pin is

low.

Precision Output Voltage: 1.0% for T_J= 25˚C and 2.0%

for 0˚C ≤ T_J≤ +125˚C, across all line and load conditions

Typical Application Circuit

20131101

DS201311

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与LP38856T-0.8相关器件

型号	品牌	获取价格	描述	数据表
LP38856T-1.2	NSC	获取价格	3A Fast-Response High-Accuracy LDO Linear Regulator with Enable
LP38856T-1.2/NOPB	TI	获取价格	3A Fast-Response High-Accuracy LDO Linear Regulator With Enable
LP38858	NSC	获取价格	1.5A Fast-Response High-Accuracy LDO Linear Regulator with Soft-Start
LP38858	TI	获取价格	1.5A Fast-Response High-Accuracy LDO Linear Regulator with Soft-Start
LP38858_15	TI	获取价格	1.5A Fast-Response High-Accuracy LDO Linear Regulator with Soft-Start
LP38858S-0.8	NSC	获取价格	1.5A Fast-Response High-Accuracy LDO Linear Regulator with Soft-Start
LP38858S-1.2	NSC	获取价格	1.5A Fast-Response High-Accuracy LDO Linear Regulator with Soft-Start
LP38858S-1.2	TI	获取价格	1.5A Fast-Response High-Accuracy LDO Linear Regulator with Soft-Start
LP38858S-1.2/NOPB	TI	获取价格	1.5A Fast-Response High-Accuracy LDO Linear Regulator with Soft-Start
LP38858SX-0.8	NSC	获取价格	1.5A Fast-Response High-Accuracy LDO Linear Regulator with Soft-Start

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