FAN2500S27X

更新时间： 2024-02-28 11:52:37

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		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
10页	254K
描述
100 mA CMOS LDO Regulators

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FAN2500S27X 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	SOT-23	包装说明：	SOT-23, 5 PIN
针数：	5	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.66	Is Samacsys：	N
可调性：	FIXED	最大回动电压 1：	0.14 V
标称回动电压 1：	0.1 V	最大绝对输入电压：	7 V
最大输入电压：	6.5 V	最小输入电压：	2.7 V
JESD-30 代码：	R-PDSO-G5	JESD-609代码：	e3
长度：	2.9 mm	最大负载调整率：	0.054%
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：	0.1 A	最大输出电压 1：	2.754 V
最小输出电压 1：	2.646 V	标称输出电压 1：	2.7 V
封装主体材料：	PLASTIC/EPOXY	封装代码：	LSSOP
封装等效代码：	TSOP5/6,.11,37	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	包装方法：	TAPE AND REEL
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：	1.45 mm
子类别：	Other Regulators	表面贴装：	YES
技术：	CMOS	端子面层：	Matte Tin (Sn)
端子形式：	GULL WING	端子节距：	0.95 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
最大电压容差：	2%	宽度：	1.65 mm
Base Number Matches：	1

FAN2500S27X 数据手册

FAN2500/FAN2501

PRODUCT SPECIFICATION

Depending on the model selected, a number of control and

status functions are available to enhance the operation of the

LDO regulator. An Enable pin, available on all devices,

allows the user to shut down the regulator output to conserve

power, reducing supply current to less than 1µA. The

adjustable-voltage versions of the device utilize pin 4 to

connect to an external voltage divider which feeds back to

the regulator error ampliﬁer, thereby setting the voltage as

desired. Two other functions are available at pin 4 in the

ﬁxed-voltage versions: in noise-sensitive applications, an

external Bypass capacitor connection is provided that allows

the user to achieve optimal noise performance at the output,

while the Error output functions as a diagnostic ﬂag to

indicate that the output voltage has dropped more than 5%

below the nominal ﬁxed voltage.

Bypass Capacitor (FAN2500 Only)

In the ﬁxed-voltage conﬁguration, connecting a capacitor

between the bypass pin and ground can signiﬁcantly reduce

noise on the output. Values ranging from 470pF to 10nF can

be used, depending on the sensitivity to output noise in the

application.

At the high-impedance Bypass pin, care must be taken in the

circuit layout to minimize noise pickup, and capacitors must

be selected to minimize current loading (leakage). Noise

pickup from external sources can be considerable. Leakage

currents into the Bypass pin will directly affect regulator

accuracy and should be kept as low as possible; thus, high-

quality ceramic and ﬁlm types are recommended for their

low leakage characteristics. Cost-sensitive applications not

concerned with noise can omit this capacitor.

Applications Information

Control Functions

Enable Pin

External Capacitors – Selection

The FAN2500/01 allows the user to utilize a wide variety of

capacitors compared to other LDO products. An innovative

design approach offers signiﬁcantly reduced sensitivity to

ESR (Effective Series Resistance), which degrades regulator

loop stability in older designs. While the improvements fea-

tured in the FAN2500/01 family greatly simplify the design

task, capacitor quality still must be considered if the designer

is to achieve optimal circuit performance. In general,

ceramic capacitors offer superior ESR performance, at a

lower cost and a smaller case size than tantalums. Those with

X7R or Y5Vdielectric offer the best temperature coefﬁcient

characteristics. The combination of tolerance and variation

over temperature in some capacitor types can result in signif-

icant variations, resulting in unstable performance over rated

conditions.

Applying a voltage of 0.4V or less at the Enable pin will

disable the output, reducing the quiescent output current to

less than 1µA, while a voltage of 2.0V or greater will enable

the device. If this shutdown function is not needed, the pin

can simply be connected to the V_INpin. Allowing this pin to

ﬂoat will cause erratic operation.

Error Flag (FAN2501 only)

To indicate conditions such as input voltage dropout

(low V_IN), overheating, or overloading (excessive output cur-

rent), the ERR pin indicates a fault condition. It is an open-

drain output which is HIGH when the voltage at V_OUTis

greater than 95% of the nominal rated output voltage and

LOW when V_OUTis less than 95% or the rated output volt-

age, as speciﬁed in the error trip level characteristics.

Input Capacitor

A logic pullup resistor of 100KΩ is recommended at this

output. The pin can be left disconnected if unused.

An input capacitor of 2.2µF (nominal value) or greater,

connected between the Input pin and Ground, located in

close proximity to the device, will improve transient

response and noise rejection. Higher values will offer supe-

rior input ripple rejection and transient response. An input

capacitor is recommended when the input source, either a

battery or a regulated AC voltage, is located far from the

device. Any good quality ceramic, tantalum, or metal ﬁlm

capacitor will give acceptable performance, however tanta-

lum capacitors with a surge current rating appropriate to the

application must be selected to avoid catastrophic failure.

Thermal Protection

The FAN2500/01 is designed to supply high peak output cur-

rents of up to 1A for brief periods, however this output load

will cause the device temperature to increase and exceed

maximum ratings due to power dissipation. During output

overload conditions, when the die temperature exceeds the

shutdown limit temperature of 150°C, onboard thermal

protection will disable the output until the temperature drops

below this limit, at which point the output is then re-enabled.

During a thermal shutdown situation the user may assert the

power-down function at the Enable pin, reducing power

Output Capacitor

An output capacitor is required to maintain regulator loop

stability. Unlike many other LDO regulators, the FAN2500/

01 family of products are nearly insensitve to output capaci-

tor ESR. Stable operation will be achieved with a wide

variety of capacitors with ESR values ranging from 10mΩ to

10Ω or more. Tantalum or aluminum electrolytic, or multi-

layer ceramic types can all be used. A nominal value of at

least 1µF is recommended.

consumption to the minimum level I_GND· V_IN

REV. 1.0.6 2/14/03

1 234 5 6 7...10

中文翻译

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与FAN2500S27X相关器件

型号	品牌	获取价格	描述	数据表
FAN2500S28	FAIRCHILD	获取价格	Fixed Positive LDO Regulator, 2.8V, 0.14V Dropout, CMOS, PDSO5, SOT-23, 5 PIN
FAN2500S285	FAIRCHILD	获取价格	Fixed Positive LDO Regulator, 2.85V, 0.14V Dropout, CMOS, PDSO5, SOT-23, 5 PIN
FAN2500S285X	FAIRCHILD	获取价格	100 mA CMOS LDO Regulators
FAN2500S285X_NL	FAIRCHILD	获取价格	暂无描述
FAN2500S28X	FAIRCHILD	获取价格	100 mA CMOS LDO Regulators
FAN2500S30	FAIRCHILD	获取价格	Fixed Positive LDO Regulator, 3V, 0.14V Dropout, CMOS, PDSO5, SOT-23, 5 PIN
FAN2500S30X	FAIRCHILD	获取价格	100 mA CMOS LDO Regulators
FAN2500S30X_NL	FAIRCHILD	获取价格	Fixed Positive LDO Regulator, 3V, 0.14V Dropout, CMOS, PDSO5, LEAD FREE, SOT-23, 5 PIN
FAN2500S33	FAIRCHILD	获取价格	Fixed Positive LDO Regulator, 3.3V, 0.14V Dropout, CMOS, PDSO5, SOT-23, 5 PIN
FAN2500S33X	FAIRCHILD	获取价格	100 mA CMOS LDO Regulators

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