LP3988-Q1 [TI]

具有电源正常指示和使能功能的汽车类 150mA、低压降稳压器;
LP3988-Q1
型号: LP3988-Q1
厂家: TEXAS INSTRUMENTS    TEXAS INSTRUMENTS
描述:

具有电源正常指示和使能功能的汽车类 150mA、低压降稳压器

稳压器
文件: 总17页 (文件大小:835K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
LP3988-Q1  
www.ti.com.cn  
ZHCSB96A MARCH 2013REVISED JULY 2013  
具有电源正常指示功能的微功耗,150mA 超低压降 CMOS 电压稳压器  
查询样品: LP3988-Q1  
1
特性  
说明  
2
符合汽车应用要求  
LP3988-Q1 是一款 150mA 低压降稳压器,此款稳压  
器被专门设计成满足便携式电池供电类应用的要求。  
LP3988-Q1 与节省空间的,1µF 陶瓷电容器一同工  
作。 LP3988-Q1 特有一个指示故障输出情况的错误标  
志输出。  
具有下列结果的 AEC-Q100 测试指南:  
器件温度 1 级:-40°C 125°C 的环境运行温  
度范围  
器件人体模型 (HBM) 静电放电 (ESD) 分类等级  
H2  
LP3988-Q1 的性能针对电池供电类系统进行了优化以  
传送低噪声、极低压降电压和低静态电流。 稳压器接  
地电流只是轻微地增加了压降,这样进一步延长了电池  
使用寿命。  
器件充电器件模型 (CDM) ESD 分类等级 C4B  
小外形尺寸晶体管 (SOT)23-5 封装  
电源正常标志输出  
逻辑控制使能  
低频时电源抑制比好于 60dB,并且在 10kHz 时开始  
下降。 此器件将高电源抑制比保持在低水平,以降低  
到电池供电类电路的共同输入电压电平。  
与陶瓷电容器和高品质钽电容器一起工作时保持稳  
快速接通  
热关断和短路电流限制  
此器件是手机和相类似的电池供电类无线应用的理想选  
择。 它在由 2.5V 6V 输入电压供电时,可提供高达  
150mA 的电流,在禁用模式中流耗少于 1µA,并且快  
速接通时间小于 200µs。  
应用范围  
汽车用  
CDMA 手机  
LP3988-Q1 采用 5 引脚 SOT-23 封装,额定运行温度  
范围为 -40°C 125°C,并且可提供 2.85V 输出电  
压。 请注意:对于其它电压选项,请与 TI 销售商取得  
联系。  
宽带 CDMA 手机  
GSM 手机  
便携式信息设备  
微型 3.3V ± 5% 2.85V150mA 转换器  
Typical Application Circuit  
(C3)  
(C1)  
5
1
V
V
IN  
OUT  
1
F
1 F  
LP3988-Q1  
(A1) 3  
(A3)  
4
POWER  
GOOD  
V
EN  
2
(B2)  
1
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.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2013, Texas Instruments Incorporated  
English Data Sheet: SLAS928  
 
LP3988-Q1  
ZHCSB96A MARCH 2013REVISED JULY 2013  
www.ti.com.cn  
Block Diagram  
SOT-23-5 PACKAGE  
TOP VIEW  
Pin Descriptions  
Name  
VEN  
SOT-23  
Function  
3
2
5
1
Enable Input Logic, Enable High  
GND  
VOUT  
VIN  
Common Ground  
Output Voltage of the LDO  
Input Voltage of the LDO  
Power Good Flag (output): open-drain output, connected to an external pull-up resistor.  
Active low indicates an output voltage out of tolerance condition.  
Power Good  
4
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam  
during storage or handling to prevent electrostatic damage to the MOS gates.  
2
Copyright © 2013, Texas Instruments Incorporated  
LP3988-Q1  
www.ti.com.cn  
ZHCSB96A MARCH 2013REVISED JULY 2013  
Absolute Maximum Ratings  
over operating free-air temperature range (unless otherwise noted)  
VALUE  
UNIT  
MIN  
MAX  
6.5  
6
Voltage  
0.3  
V
V
Power good  
VOUT, VEN  
0.3 V to  
(VIN + 0.3 V)  
Junction temperature  
Storage Temperature  
150  
150  
364  
2
°C  
°C  
65  
(1)  
Power dissipation  
SOT-23-5  
mW  
kV  
V
Human-body model (HBM) AEC-Q100 Classification Level H2  
Charged-device model (CDM) AEC-Q100 Classification Level C4B  
(2)  
ESD rating  
750  
(1) The Absolute Maximum power dissipation depends on the ambient temperature and can be calculated using the formula: PD = (TJ - TA) /  
θJA, where TJ is the junction temperature, TA is the ambient temperature, and θ JA is the junction-to-ambient thermal resistance. The  
364-mW rating appearing under Absolute Maximum Ratings for the SOT-23-5 package results from substituting the absolute-maximum  
junction temperature, 150°C, for TJ, 70°C for TA, and 175°C/W for θJA. More power can be dissipated safely at ambient temperatures  
below 70°C . Less power can be dissipated safely at ambient temperatures above 70°C. The absolute-maximum power dissipation can  
be increased by 4.5 mW for each degree below 70°C, and it must be derated by 4.5 mW for each degree above 70°C.  
(2) The human-body model is 100 pF discharged through a 1.5-kΩ resistor into each pin. The machine model is a 200-pF capacitor  
discharged directly into each pin.  
Recommended Operating Conditions(1)  
over operating free-air temperature range (unless otherwise noted)  
MIN  
2.5  
0
NOM  
MAX  
6
UNIT  
V
(2)  
VIN  
VOUT, VEN  
VIN  
125  
V
Operating temperature  
40  
°C  
(1) All voltages are with respect to the potential at the GND pin.  
(2) The minimum VIN depends on the device output option. For Vout(NOM) < 2.5V, VIN(MIN) will equal 2.5V. For Vout(NOM) 2.5V, VIN(MIN) will  
equal Vout(NOM) + 200mV.  
Thermal Information  
SOT-23 Package  
THERMAL METRIC(1)  
UNIT  
DBV-5  
175  
78  
θJA  
Junction-to-ambient thermal resistance  
Junction-to-case (top) thermal resistance  
Junction-to-board thermal resistance  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
°C/W  
θJC(top)  
θJB  
31.9  
3.1  
ψJT  
Junction-to-top characterization parameter  
Junction-to-board characterization parameter  
Junction-to-case (bottom) thermal resistance  
ψJB  
31.4  
N/A  
θJC(bottom)  
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.  
Copyright © 2013, Texas Instruments Incorporated  
3
 
LP3988-Q1  
ZHCSB96A MARCH 2013REVISED JULY 2013  
www.ti.com.cn  
Electrical Characteristics  
Unless otherwise specified: VEN = 1.8 V, VIN = VOUT + 0.5 V, CIN = 1 µF, IOUT = 1 mA, COUT = 1 µF. Typical values and limits  
appearing in standard typeface are for TA = 25°C. Limits appearing in boldface type apply over the entire operating  
(1) (2)  
temperature range for operation, 40°C to 125°C.  
Limit  
Symbol  
Parameter  
Conditions  
Units  
Min  
Typ  
Max  
Output voltage  
2  
2
% of  
tolerance  
40°C TA 125°C, SOT-23-5  
3.5  
3.5  
VOUT(nom)  
0.15  
0.2  
0.15  
0.2  
ΔVOUT  
Line-regulation error  
VIN = VOUT (NOM) + 0.5 V to 6 V  
%/V  
0.005  
0.007  
(3)  
Load-regulation error  
IOUT = 1 mA to 150 mA  
%/mA  
VIN = VOUT(nom) + 1 V,  
f = 1 kHz,  
IOUT = 50 mA (Figure 3)  
65  
45  
PSRR  
Power-supply rejection ratio  
Quiescent current  
dB  
VIN = VOUT(nom) + 1 V,  
f = 10 kHz,  
IOUT = 50 mA (Figure 3)  
VEN = 1.4 V, IOUT = 0 mA  
VEN = 1.4 V, IOUT = 0 to 150 mA  
VEN = 0.4V  
85  
140  
0.003  
1
120  
200  
1.0  
5
IQ  
µA  
IOUT = 1 mA  
(4)  
Dropout Voltage  
mV  
115  
150  
IOUT = 150 mA  
80  
600  
220  
(5)  
ISC  
en  
Short Circuit Current Limit  
Output Noise Voltage  
See  
mA  
BW = 10 Hz to 100 kHz,  
COUT = 1 µF  
µVrms  
(6)  
Capacitance  
1
5
20  
µF  
mΩ  
°C  
COUT  
Output Capacitor  
(6)  
ESR  
500  
Thermal Shutdown Temperature  
160  
20  
TSD  
Thermal Shutdown Hysteresis  
°C  
(7)  
Enable Control Characteristics  
IEN  
Maximum Input Current at EN  
VEN = 0 and VIN = 6 V  
VIN = 2.5 V to 6 V  
VIN = 2.5 V to 6 V  
0.1  
0.5  
µA  
V
VIL  
Logic Low Input threshold  
Logic High Input threshold  
VIH  
1.2  
V
Power Good  
Power Good  
VTHL  
VTHH  
Low threshold  
High Threshold  
% of VOUT (PG ON) Figure 2  
% of VOUT (PG OFF) Figure 2  
90  
92  
93  
95  
95  
98  
%
(8)  
VOL  
IPGL  
tON  
PG Output Logic Low Voltage  
IPULL-UP = 100 µA, fault condition  
PG off, VPG = 6 V  
VIN = 4.2V  
0.02  
0.02  
10  
0.1  
V
PG Output Leakage Current  
µA  
µs  
µs  
(4)  
Power Good Turn On time,  
(4)  
tOFF  
Power Good Turn Off time,  
VIN = 4.2V  
10  
(1) All limits are specified. All electrical characteristics having room-temperature limits are tested during production with TA = 25°C or  
correlated using Statistical Quality Control (SQC) methods. All hot and cold limits are specified by correlating the electrical  
characteristics to process and temperature variations and applying statistical process control.  
(2) The target output voltage, which is labeled VOUT(nom), is the desired voltage option.  
(3) An increase in the load current results in a slight decrease in the output voltage and vice versa.  
(4) Dropout voltage is the input-to-output voltage difference at which the output voltage is 100 mV below its nominal value.  
(5) Short-circuit current is measured on input supply line after pulling down VOUT to 95% VOUT(nom)  
.
(6) Specified by design. The capacitor tolerance should be ±30% or better over the full temperature range. The full range of operating  
conditions such as temperature, dc bias and even capacitor case size for the capacitor in the application should be considered during  
device selection to ensure this minimum capacitance specification is met. X7R capacitor types are recommended to meet the full device  
temperature range.  
(7) Turnon time is time measured between the enable input just exceeding VIH and the output voltage just reaching 95% of its nominal  
value.  
(8) The low and high thresholds are generated together. Typically a 2.6% difference is seen between these thresholds.  
4
Copyright © 2013, Texas Instruments Incorporated  
 
LP3988-Q1  
www.ti.com.cn  
ZHCSB96A MARCH 2013REVISED JULY 2013  
Figure 1. Power Good Flag Timing  
Figure 2. Line Transient Response Input Perturbation  
Figure 3. PSRR Input Perturbation  
Copyright © 2013, Texas Instruments Incorporated  
5
LP3988-Q1  
ZHCSB96A MARCH 2013REVISED JULY 2013  
www.ti.com.cn  
Typical Performance Characteristics  
Unless otherwise specified, CIN = COUT = 1 µF ceramic, VIN = VOUT + 0.2 V, TA = 25°C, enable pin is tied to VIN.  
RIPPLE REJECTION RATIO (LP3988-Q1-2.85)  
RIPPLE REJECTION RATIO (LM3988-2.85)  
Figure 4.  
Figure 5.  
POWER-GOOD RESPONSE TIME (LP3988-Q1-2.85)  
(flag pin pulled to VOUT through a 100-kresistor)  
POWER-GOOD RESPONSE TIME (LP3988-Q1-2.85)  
(flag pin pulled to VIN through a 100-kresistor)  
Figure 6.  
Figure 7.  
POWER-GOOD RESPONSE TIME (LP3988-Q1-2.85)  
(flag pin pulled to VOUT through a 100-kresistor)  
LINE TRANSIENT RESPONSE (LP3988-Q1-2.85)  
Figure 8.  
Figure 9.  
6
Copyright © 2013, Texas Instruments Incorporated  
 
LP3988-Q1  
www.ti.com.cn  
ZHCSB96A MARCH 2013REVISED JULY 2013  
Typical Performance Characteristics (continued)  
Unless otherwise specified, CIN = COUT = 1 µF ceramic, VIN = VOUT + 0.2 V, TA = 25°C, enable pin is tied to VIN.  
LINE TRANSIENT RESPONSE (LP3988-Q1-2.85)  
POWER-UP RESPONSE  
Figure 10.  
Figure 11.  
ENABLE RESPONSE  
ENABLE RESPONSE  
Figure 12.  
Figure 13.  
LOAD-TRANSIENT RESPONSE  
LOAD-TRANSIENT RESPONSE  
Figure 14.  
Figure 15.  
Copyright © 2013, Texas Instruments Incorporated  
7
LP3988-Q1  
ZHCSB96A MARCH 2013REVISED JULY 2013  
www.ti.com.cn  
APPLICATION INFORMATION  
EXTERNAL CAPACITORS  
Like any low-dropout regulator, the LP3988-Q1 requires external capacitors for regulator stability. The LP3988-  
Q1 is specifically designed for portable applications requiring minimum board space and smallest components.  
These capacitors must be correctly selected for good performance.  
INPUT CAPACITOR  
An input capacitance of 1µF is required between the LP3988-Q1 input pin and ground (the amount of the  
capacitance may be increased without limit).  
This capacitor must be located a distance of not more than 1 cm from the input pin and returned to a clean  
analog ground. Any good-quality ceramic, tantalum, or film capacitor may be used at the input.  
Important: Tantalum capacitors can suffer catastrophic failures due to surge current when connected to a low-  
impedance source of power (like a battery or a very large capacitor). If a tantalum capacitor is used at the input,  
it must be specified by the manufacturer to have a surge-current rating sufficient for the application.  
There are no requirements for the ESR on the input capacitor, but tolerance and temperature coefficient must be  
considered when selecting the capacitor to ensure the capacitance is 1 µF over the entire operating  
temperature range.  
OUTPUT CAPACITOR  
The LP3988-Q1 is designed specifically to work with very small ceramic output capacitors. A ceramic capacitor  
(dielectric types Z5U, Y5V or X7R) in the 1-µF to 22-µF range with a 5-mΩ to 500-mΩ ESR range is suitable in  
the LP3988-Q1 application circuit.  
It may also be possible to use tantalum or film capacitors at the output, but these are not as attractive for  
reasons of size and cost (see the CAPACITOR CHARACTERISTICS section).  
The output capacitor must meet the requirement for minimum amount of capacitance and also have an  
Equivalent Series Resistance (ESR) value which is within a stable range (5 mΩ to 500 mΩ).  
NO-LOAD STABILITY  
The LP3988-Q1 remains stable and in regulation with no external load. This is specially important in CMOS RAM  
keep-alive applications.  
CAPACITOR CHARACTERISTICS  
The LP3988-Q1 is designed to work with ceramic capacitors on the output to take advantage of the benefits they  
offer: for capacitance values in the range of 1 µF to 4.7 µF, ceramic capacitors are the smallest, least expensive  
and have the lowest ESR values (which makes them best for eliminating high-frequency noise). The ESR of a  
typical 1-µF ceramic capacitor is in the range of 20 mΩ to 40 mΩ, which easily meets the ESR requirement for  
stability by the LP3988-Q1.  
The ceramic capacitor's capacitance can vary with temperature. Most large-value ceramic capacitors (2.2 µF)  
are manufactured with Z5U or Y5V temperature characteristics, which results in the capacitance dropping by  
more than 50% as the temperature goes from 25°C to 85°C.  
A better choice for temperature coefficient in a ceramic capacitor is X7R, which holds the capacitance within  
±15%.  
Tantalum capacitors are less desirable than ceramic for use as output capacitors because they are more  
expensive when comparing equivalent capacitance and voltage ratings in the 1-µF to 4.7-µF range.  
Another important consideration is that tantalum capacitors have higher ESR values than equivalent-size  
ceramics. This means that while it may be possible to find a tantalum capacitor with an ESR value within the  
stable range, it would have to be larger in capacitance (which means bigger and more costly ) than a ceramic  
capacitor with the same ESR value. It should also be noted that the ESR of a typical tantalum will increase about  
2:1 as the temperature goes from 25°C down to 40°C, so some guard band must be allowed.  
8
Copyright © 2013, Texas Instruments Incorporated  
 
LP3988-Q1  
www.ti.com.cn  
ZHCSB96A MARCH 2013REVISED JULY 2013  
ON/OFF INPUT OPERATION  
The LP3988-Q1 is turned off by pulling the VEN pin low, and turned on by pulling it high. If this feature is not  
used, the VEN pin should be tied to VIN to keep the regulator output on at all time. To assure proper operation,  
the signal source used to drive the VEN input must be able to swing above and below the specified turnon/turnoff  
voltage thresholds listed in the Electrical Characteristics section under VIL and VIH.  
FAST ON-TIME  
The LP3988-Q1 utilizes a speed-up circuit to ramp up the internal VREF voltage to its final value to achieve a fast  
output turnon time.  
Copyright © 2013, Texas Instruments Incorporated  
9
 
LP3988-Q1  
ZHCSB96A MARCH 2013REVISED JULY 2013  
www.ti.com.cn  
REVISION HISTORY  
Changes from Original (March 2013) to Revision A  
Page  
Deleted 其它电压,剩下的只用 2.5V .................................................................................................................................... 1  
Added TI 销售商对于额外电压的说明 ................................................................................................................................... 1  
Changed θJA temp from 220°C/W to 175°C/W in Absolute Maxium Ratings table note ...................................................... 3  
Changed voltage in the title of the first two Typical Characteristics graphs (Ripple Rejection Ratio) from 2.6 to 2.85 ....... 6  
Changed LP3988Q to correct device name of LP3988-Q1 .................................................................................................. 9  
10  
Copyright © 2013, Texas Instruments Incorporated  
PACKAGE OPTION ADDENDUM  
www.ti.com  
10-Dec-2020  
PACKAGING INFORMATION  
Orderable Device  
Status Package Type Package Pins Package  
Eco Plan  
Lead finish/  
Ball material  
MSL Peak Temp  
Op Temp (°C)  
Device Marking  
Samples  
Drawing  
Qty  
(1)  
(2)  
(3)  
(4/5)  
(6)  
LP3988QMFX-2P85  
ACTIVE  
SOT-23  
DBV  
5
3000 RoHS & Green  
SN  
Level-1-260C-UNLIM  
-40 to 125  
RABQ  
(1) The marketing status values are defined as follows:  
ACTIVE: Product device recommended for new designs.  
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.  
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.  
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.  
OBSOLETE: TI has discontinued the production of the device.  
(2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance  
do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may  
reference these types of products as "Pb-Free".  
RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption.  
Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of <=1000ppm threshold. Antimony trioxide based  
flame retardants must also meet the <=1000ppm threshold requirement.  
(3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.  
(4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.  
(5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation  
of the previous line and the two combined represent the entire Device Marking for that device.  
(6)  
Lead finish/Ball material - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead finish/Ball material values may wrap to two  
lines if the finish value exceeds the maximum column width.  
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information  
provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and  
continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.  
TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.  
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.  
Addendum-Page 1  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
9-Aug-2022  
TAPE AND REEL INFORMATION  
REEL DIMENSIONS  
TAPE DIMENSIONS  
K0  
P1  
W
B0  
Reel  
Diameter  
Cavity  
A0  
A0 Dimension designed to accommodate the component width  
B0 Dimension designed to accommodate the component length  
K0 Dimension designed to accommodate the component thickness  
Overall width of the carrier tape  
W
P1 Pitch between successive cavity centers  
Reel Width (W1)  
QUADRANT ASSIGNMENTS FOR PIN 1 ORIENTATION IN TAPE  
Sprocket Holes  
Q1 Q2  
Q3 Q4  
Q1 Q2  
Q3 Q4  
User Direction of Feed  
Pocket Quadrants  
*All dimensions are nominal  
Device  
Package Package Pins  
Type Drawing  
SPQ  
Reel  
Reel  
A0  
B0  
K0  
P1  
W
Pin1  
Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant  
(mm) W1 (mm)  
LP3988QMFX-2P85  
SOT-23  
DBV  
5
3000  
178.0  
8.4  
3.2  
3.2  
1.4  
4.0  
8.0  
Q3  
Pack Materials-Page 1  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
9-Aug-2022  
TAPE AND REEL BOX DIMENSIONS  
Width (mm)  
H
W
L
*All dimensions are nominal  
Device  
Package Type Package Drawing Pins  
SOT-23 DBV  
SPQ  
Length (mm) Width (mm) Height (mm)  
208.0 191.0 35.0  
LP3988QMFX-2P85  
5
3000  
Pack Materials-Page 2  
PACKAGE OUTLINE  
DBV0005A  
SOT-23 - 1.45 mm max height  
S
C
A
L
E
4
.
0
0
0
SMALL OUTLINE TRANSISTOR  
C
3.0  
2.6  
0.1 C  
1.75  
1.45  
1.45  
0.90  
B
A
PIN 1  
INDEX AREA  
1
2
5
(0.1)  
2X 0.95  
1.9  
3.05  
2.75  
1.9  
(0.15)  
4
3
0.5  
5X  
0.3  
0.15  
0.00  
(1.1)  
TYP  
0.2  
C A B  
NOTE 5  
0.25  
GAGE PLANE  
0.22  
0.08  
TYP  
8
0
TYP  
0.6  
0.3  
TYP  
SEATING PLANE  
4214839/G 03/2023  
NOTES:  
1. All linear dimensions are in millimeters. Any dimensions in parenthesis are for reference only. Dimensioning and tolerancing  
per ASME Y14.5M.  
2. This drawing is subject to change without notice.  
3. Refernce JEDEC MO-178.  
4. Body dimensions do not include mold flash, protrusions, or gate burrs. Mold flash, protrusions, or gate burrs shall not  
exceed 0.25 mm per side.  
5. Support pin may differ or may not be present.  
www.ti.com  
EXAMPLE BOARD LAYOUT  
DBV0005A  
SOT-23 - 1.45 mm max height  
SMALL OUTLINE TRANSISTOR  
PKG  
5X (1.1)  
1
5
5X (0.6)  
SYMM  
(1.9)  
2
3
2X (0.95)  
4
(R0.05) TYP  
(2.6)  
LAND PATTERN EXAMPLE  
EXPOSED METAL SHOWN  
SCALE:15X  
SOLDER MASK  
OPENING  
SOLDER MASK  
OPENING  
METAL UNDER  
SOLDER MASK  
METAL  
EXPOSED METAL  
EXPOSED METAL  
0.07 MIN  
ARROUND  
0.07 MAX  
ARROUND  
NON SOLDER MASK  
DEFINED  
SOLDER MASK  
DEFINED  
(PREFERRED)  
SOLDER MASK DETAILS  
4214839/G 03/2023  
NOTES: (continued)  
6. Publication IPC-7351 may have alternate designs.  
7. Solder mask tolerances between and around signal pads can vary based on board fabrication site.  
www.ti.com  
EXAMPLE STENCIL DESIGN  
DBV0005A  
SOT-23 - 1.45 mm max height  
SMALL OUTLINE TRANSISTOR  
PKG  
5X (1.1)  
1
5
5X (0.6)  
SYMM  
(1.9)  
2
3
2X(0.95)  
4
(R0.05) TYP  
(2.6)  
SOLDER PASTE EXAMPLE  
BASED ON 0.125 mm THICK STENCIL  
SCALE:15X  
4214839/G 03/2023  
NOTES: (continued)  
8. Laser cutting apertures with trapezoidal walls and rounded corners may offer better paste release. IPC-7525 may have alternate  
design recommendations.  
9. Board assembly site may have different recommendations for stencil design.  
www.ti.com  
重要声明和免责声明  
TI“按原样提供技术和可靠性数据(包括数据表)、设计资源(包括参考设计)、应用或其他设计建议、网络工具、安全信息和其他资源,  
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这些资源可供使用 TI 产品进行设计的熟练开发人员使用。您将自行承担以下全部责任:(1) 针对您的应用选择合适的 TI 产品,(2) 设计、验  
证并测试您的应用,(3) 确保您的应用满足相应标准以及任何其他功能安全、信息安全、监管或其他要求。  
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您无权使用任何其他 TI 知识产权或任何第三方知识产权。您应全额赔偿因在这些资源的使用中对 TI 及其代表造成的任何索赔、损害、成  
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TI 针对 TI 产品发布的适用的担保或担保免责声明。  
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邮寄地址:Texas Instruments, Post Office Box 655303, Dallas, Texas 75265  
Copyright © 2023,德州仪器 (TI) 公司  

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