Datasheet > 电源电路 > 线性稳压器IC> REG103GA-3.3/2K5G4

REG103GA-3.3/2K5G4

更新时间： 2024-11-22 11:58:19

品牌	Logo	应用领域
德州仪器 - TI		线性稳压器IC 调节器电源电路光电二极管输出元件
页数	文件大小	规格书
26页	937K
描述
500mA Low-Dropout Regulator

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REG103GA-3.3/2K5G4 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	SOT-223
包装说明：	SOT-223, 6 PIN	针数：	6
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	Factory Lead Time：	6 weeks
风险等级：	5.12	Is Samacsys：	N
可调性：	FIXED	最大回动电压 1：	0.2 V
标称回动电压 1：	0.115 V	最大输入电压：	15 V
最小输入电压：	3.5 V	JESD-30 代码：	R-PDSO-G6
JESD-609代码：	e4	长度：	6.5 mm
湿度敏感等级：	2	功能数量：	1
输出次数：	1	端子数量：	6
工作温度TJ-Max：	125 °C	工作温度TJ-Min：	-55 °C
最大输出电流 1：	0.5 A	最大输出电压 1：	3.366 V
最小输出电压 1：	3.234 V	标称输出电压 1：	3.3 V
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
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	座面最大高度：	1.8 mm
表面贴装：	YES	技术：	NMOS
端子面层：	Nickel/Palladium/Gold (Ni/Pd/Au)	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	3.5 mm
Base Number Matches：	1

REG103GA-3.3/2K5G4 数据手册

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REG103

SBVS010D – JANUARY 2000 – REVISED SEPTEMBER 2005

DMOS

500mA Low-Dropout Regulator

DESCRIPTION

FEATURES

The REG103 is a family of low-noise, low-dropout, linear

regulators with low ground pin current. Its new DMOS

topology provides significant improvement over previous

designs, including low-dropout voltage (only 115mV typ at

full load), and better transient performance. In addition, no

output capacitor is required for stability, unlike conventional

low-dropout regulators that are difficult to compensate and

require expensive low ESR capacitors greater than 1µF.

● NEW DMOS TOPOLOGY:

Ultra Low Dropout Voltage:

115mV Typ at 500mA and 3.3V Output

Output Capacitor NOT Required for Stability

● FAST TRANSIENT RESPONSE

●

VERY LOW NOISE: 33µVrms

● HIGH ACCURACY: ±2% max

● HIGH EFFICIENCY:

I_GND= 1mA at I_OUT= 500mA

Not Enabled: I_GND= 0.5µA

● 2.5V, 2.7V, 3.0V, 3.3V, 5.0V, AND ADJUSTABLE

Typical ground pin current is only 1mA (at I_OUT= 500mA)

and drops to 0.5µA in not enabled mode. Unlike regulators

with PNP pass devices, quiescent current remains relatively

constant over load variations and under dropout conditions.

OUTPUT VERSIONS

The REG103 has very low output noise (typically 33µVrms

for V_OUT= 3.3V with C_NR= 0.01µF), making it ideal for use

in portable communications equipment. On-chip trimming

results in high output voltage accuracy. Accuracy is main-

tained over temperature, line, and load variations. Key

parameters are tested over the specified temperature range

(–40°C to +85°C).

● FOLDBACK CURRENT LIMIT

● THERMAL PROTECTION

● OUTPUT VOLTAGE ERROR INDICATOR⁽¹⁾

● SMALL SURFACE-MOUNT PACKAGES:

SOT223-5, DDPAK-5, SO-8

The SO-8 version of the REG103 has an ERROR pin that

provides a power good flag, indicating the regulator is in

regulation. The REG103 is well protected—internal cir-

cuitry provides a current limit that protects the load from

damage. Thermal protection circuitry keeps the chip from

being damaged by excessive temperature. In addition to the

SO-8 package, the REG103 is also available in the DDPAK

and the SOT223-5.

APPLICATIONS

● PORTABLE COMMUNICATION DEVICES

● BATTERY-POWERED EQUIPMENT

● PERSONAL DIGITAL ASSISTANTS

● MODEMS

● BAR-CODE SCANNERS

● BACKUP POWER SUPPLIES

ENABLE ERROR⁽¹⁾

ERROR¹⁾

ENABLE

V_OUT

V_IN

V_OUT

V_IN

REG103

(Fixed Voltage

Versions)

R₁

Adj

R₂

0.1µF

(2)

C_OUT

REG103-A

C_OUT

0.1µF

Gnd

NR = Noise Reduction

NOTE: (1) SO-8 Package Only. (2) Optional.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

www.ti.com

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REG103GA-3.3/2K5G4 替代型号

型号	品牌	替代类型	描述	数据表
REG103GA-3.3G4	TI	完全替代	500mA Low-Dropout Regulator
REG103GA-3.3	TI	类似代替	500mA Low-Dropout Regulator
REG103GA-3.3/2K5	TI	类似代替	500mA Low-Dropout Regulator

与REG103GA-3.3/2K5G4相关器件

型号	品牌	获取价格	描述	数据表
REG103GA-3.3G4	TI	获取价格	500mA Low-Dropout Regulator
REG103GA-3/2K5	BB	获取价格	DMOS 500mA Low Dropout Regulator
REG103GA-3/2K5	ROCHESTER	获取价格	3 V FIXED POSITIVE LDO REGULATOR, 0.2 V DROPOUT, PDSO6, GREEN, PLASTIC, SOT-223, 6 PIN
REG103GA-3G4	TI	获取价格	500mA Low-Dropout Regulator
REG103GA-5	TI	获取价格	500mA Low-Dropout Regulator
REG103GA-5	BB	获取价格	DMOS 500mA Low Dropout Regulator
REG103GA-5	ROCHESTER	获取价格	5V FIXED POSITIVE LDO REGULATOR, 0.25V DROPOUT, PDSO6, GREEN, PLASTIC, SOT-223, 6 PIN
REG103GA-5/2K5	BB	获取价格	DMOS 500mA Low Dropout Regulator
REG103GA-5/2K5	TI	获取价格	500mA Low-Dropout Regulator
REG103GA-5/2K5	ROCHESTER	获取价格	5V FIXED POSITIVE LDO REGULATOR, 0.25V DROPOUT, PDSO6, GREEN, PLASTIC, SOT-223, 6 PIN

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