LP2981AIM5X-2.9 [ROCHESTER]

2.9V FIXED POSITIVE LDO REGULATOR, 0.375V DROPOUT, PDSO5, SOT-23, SOP-5;
LP2981AIM5X-2.9
型号: LP2981AIM5X-2.9
厂家: Rochester Electronics    Rochester Electronics
描述:

2.9V FIXED POSITIVE LDO REGULATOR, 0.375V DROPOUT, PDSO5, SOT-23, SOP-5

光电二极管 输出元件 调节器
文件: 总17页 (文件大小:1544K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
February 2006  
LP2981  
Micropower 100 mA Ultra Low-Dropout Regulator in  
SOT-23 and micro SMD Packages  
General Description  
Features  
n Ultra low dropout voltage  
The LP2981 is a 100 mA, fixed-output voltage regulator  
designed specifically to meet the requirements of battery-  
powered applications.  
n Output voltage accuracy 0.75% (A Grade)  
n Guaranteed 100 mA output current  
n Smallest possible size (SOT-23, micro SMD package)  
Using an optimized VIP (Vertically Integrated PNP) pro-  
cess, the LP2981 delivers unequaled performance in all  
specifications critical to battery-powered designs:  
<
n
1 µA quiescent current when shutdown  
n Low ground pin current at all load currents  
n High peak current capability (300 mA typical)  
n Wide supply voltage range (16V max)  
n Fast dynamic response to line and load  
n Low ZOUT over wide frequency range  
n Overtemperature/overcurrent protection  
n −40˚C to +125˚C junction temperature range  
@
Dropout Voltage. Typically 200 mV  
100 mA load, and  
@
7 mV 1 mA load.  
@
Ground Pin Current. Typically 600 µA 100 mA load, and  
@
80 µA 1 mA load.  
Sleep Mode. Less than 1 µA quiescent current when ON/  
OFF pin is pulled low.  
Smallest Possible Size. SOT-23 and micro SMD packages  
use an absolute minimum board space.  
Applications  
Precision Output. 0.75% tolerance output voltages avail-  
able (A grade).  
n Cellular Phone  
n Palmtop/Laptop Computer  
n Personal Digital Assistant (PDA)  
n Camcorder, Personal Stereo, Camera  
Eleven voltage options, from 2.5V to 5.0V, are available as  
standard products.  
Block Diagram  
01250601  
VIP is a trademark of National Semiconductor Corporation.  
© 2006 National Semiconductor Corporation  
DS012506  
www.national.com  
Connection Diagrams  
5-Lead Small Outline Package (M5)  
micro SMD, 5 Bump Package (BPA05)  
01250602  
Top View  
See NS Package Number MF05A  
For ordering information see Table 1  
01250650  
Note: The actual physical placement of the package marking will vary from  
part to part. Package marking contains date code and lot traceability  
information, and will vary considerably. Package marking does not correlate  
to device type.  
Top View  
See NS Package Number BPA05  
Pin Descriptions  
Name  
Pin Number  
micro SMD  
Function  
SOT-23  
VIN  
GND  
1
2
3
4
5
C3  
A1  
A3  
B2  
C1  
Input Voltage  
Common Ground (device substrate)  
Logic high enable input  
ON/OFF  
N/C  
Post package trim - do not connect to this pin  
Regulated output voltage  
VOUT  
Ordering Information  
TABLE 1. Package Marking and Order Information  
Output Voltage  
(V)  
Grade  
Order Information  
Package  
Marking  
Supplied as:  
5-Lead Small Outline Package (M5)  
2.5  
2.5  
2.5  
2.5  
2.7  
2.7  
2.7  
2.7  
2.8  
2.8  
2.8  
2.8  
2.9  
2.9  
2.9  
2.9  
3.0  
3.0  
3.0  
3.0  
A
A
LP2981AIM5X-2.5  
LP2981AIM5-2.5  
LP2981IM5X-2.5  
LP2981IM5-2.5  
LP2981AIM5X-2.7  
LP2981AIM5-2.7  
LP2981IM5X-2.7  
LP2981IM5-2.7  
LP2981AIM5X-2.8  
LP2981AIM5-2.8  
LP2981IM5X-2.8  
LP2981IM5-2.8  
LP2981AIM5X-2.9  
LP2981AIM5-2.9  
LP2981IM5X-2.9  
LP2981IM5-2.9  
LP2981AIM5X-3.0  
LP2981AIM5-3.0  
LP2981IM5X-3.0  
LP2981IM5-3.0  
L0CA  
L0CA  
L0CB  
L0CB  
L0DA  
L0DA  
L0DB  
L0DB  
L77A  
L77A  
L77B  
L77B  
L0VA  
L0VA  
L0VB  
L0VB  
L05A  
L05A  
L05B  
L05B  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
STD  
STD  
A
A
STD  
STD  
A
A
STD  
STD  
A
A
STD  
STD  
A
A
STD  
STD  
www.national.com  
2
Ordering Information (Continued)  
TABLE 1. Package Marking and Order Information (Continued)  
Output Voltage  
(V)  
Grade  
Order Information  
Package  
Marking  
L38A  
L38A  
L38B  
L38B  
L35A  
L35A  
L35B  
L35B  
L04A  
L04A  
L04B  
L04B  
L0JA  
L0JA  
L0JB  
L0JB  
L36A  
L36A  
L36B  
L36B  
L0ZA  
L0ZA  
L0ZB  
L0ZB  
L0GA  
L0GA  
L0GB  
L0GB  
L03A  
L03A  
L03B  
L03B  
Supplied as:  
3.1  
A
A
LP2981AIM5X-3.1  
LP2981AIM5-3.1  
LP2981IM5X-3.1  
LP2981IM5-3.1  
LP2981AIM5X-3.2  
LP2981AIM5-3.2  
LP2981IM5X-3.2  
LP2981IM5-3.2  
LP2981AIM5X-3.3  
LP2981AIM5-3.3  
LP2981IM5X-3.3  
LP2981IM5-3.3  
LP2981AIM5X-3.6  
LP2981AIM5-3.6  
LP2981IM5X-3.6  
LP2981IM5-3.6  
LP2981AIM5X-3.8  
LP2981AIM5-3.8  
LP2981IM5X-3.8  
LP2981IM5-3.8  
LP2981AIM5X-4.0  
LP2981AIM5-4.0  
LP2981IM5X-4.0  
LP2981IM5-4.0  
LP2981AIM5X-4.7  
LP2981AIM5-4.7  
LP2981IM5X-4.7  
LP2981IM5-4.7  
LP2981AIM5X-5.0  
LP2981AIM5-5.0  
LP2981IM5X-5.0  
LP2981IM5-5.0  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3000 Units on Tape and Reel  
1000 Units on Tape and Reel  
3.1  
3.1  
STD  
STD  
A
3.1  
3.2  
3.2  
A
3.2  
STD  
STD  
A
3.2  
3.3  
3.3  
A
3.3  
STD  
STD  
A
3.3  
3.6  
3.6  
A
3.6  
STD  
STD  
A
3.6  
3.8  
3.8  
A
3.8  
STD  
STD  
A
3.8  
4.0  
4.0  
A
4.0  
STD  
STD  
A
4.0  
4.7  
4.7  
A
4.7  
STD  
STD  
A
4.7  
5.0  
5.0  
A
5.0  
STD  
STD  
5.0  
micro SMD, 5 Bump Package (BPA05)  
2.5  
2.5  
2.5  
2.5  
3.2  
3.2  
3.2  
3.2  
3.3  
3.3  
3.3  
3.3  
A
A
LP2981AIBP-2.5  
LP2981AIBPX-2.5  
LP2981IBP-2.5  
LP2981IBPX-2.5  
LP2981AIBP-3.2  
LP2981AIBPX-3.2  
LP2981IBP-3.2  
LP2981IBPX-3.2  
LP2981AIBP-3.3  
LP2981AIBPX-3.3  
LP2981IBP-3.3  
LP2981IBPX-3.3  
250 Units on Tape and Reel  
3000 Units on Tape and Reel  
250 Units on Tape and Reel  
3000 Units on Tape and Reel  
250 Units on Tape and Reel  
3000 Units on Tape and Reel  
250 Units on Tape and Reel  
3000 Units on Tape and Reel  
250 Units on Tape and Reel  
3000 Units on Tape and Reel  
250 Units on Tape and Reel  
3000 Units on Tape and Reel  
STD  
STD  
A
A
STD  
STD  
A
A
STD  
STD  
3
www.national.com  
Absolute Maximum Ratings (Note 1)  
If Military/Aerospace specified devices are required,  
please contact the National Semiconductor Sales Office/  
Distributors for availability and specifications.  
Input Supply Voltage (Survival)  
Input Supply Voltage (Operating)  
Shutdown Input Voltage  
(Survival)  
−0.3V to +16V  
2.1V to +16V  
−0.3V to +16V  
Storage Temperature Range  
Operating Junction Temperature  
Range  
−65˚C to +150˚C  
Output Voltage (Survival, (Note  
4))  
−0.3V to +9V  
Short Circuit  
Protected  
−40˚C to +125˚C  
IOUT (Survival)  
Lead Temperature  
(Soldering, 5 sec.)  
260˚C  
2 kV  
Input-Output Voltage  
(Survival, (Note 5)  
ESD Rating (Note 2)  
Power Dissipation (Note 3)  
−0.3V to +16V  
Internally Limited  
Electrical Characteristics (Note 10)  
Limits in standard typeface are for TJ = 25˚C, and limits in boldface type applyover the full operating temperature range. Un-  
less otherwise specified: VIN = VO(NOM) + 1V, CIN = 1 µF, IL = 1 mA, COUT = 4.7 µF,VON/OFF = 2V.  
Symbol  
Parameter  
Conditions  
Typ  
LP2981AI-XX  
LP2981I-XX  
Units  
(Note 6)  
(Note 6)  
Min  
Max  
Min  
Max  
VO  
Output Voltage  
IL = 1mA  
−0.75  
0.75  
−1.25  
1.25  
Tolerance  
%VNOM  
%/V  
<
<
1 mA IL 100 mA  
−1.0  
1.0  
2.5  
−2.0  
2.0  
3.5  
−2.5  
−3.5  
Output Voltage  
Line Regulation  
VO(NOM) + 1V  
VIN 16V  
IL = 0  
0.007  
0.014  
0.014  
0.032  
0.032  
VIN–VO  
Dropout Voltage  
(Note 7)  
1
3
5
3
5
mV  
IL = 1 mA  
IL = 25 mA  
IL = 100 mA  
IL = 0  
7
10  
10  
15  
15  
70  
100  
150  
250  
375  
95  
100  
150  
250  
375  
95  
200  
65  
IGND  
Ground Pin Current  
µA  
125  
110  
170  
300  
550  
800  
1500  
0.8  
2
125  
110  
170  
300  
550  
800  
1500  
0.8  
2
IL = 1 mA  
IL = 25 mA  
IL = 100 mA  
80  
200  
600  
<
VON/OFF 0.3V  
0.01  
0.05  
1.4  
<
VON/OFF 0.15V  
VON/OFF  
ION/OFF  
ON/OFF Input Voltage  
(Note 8)  
High = O/P ON  
Low = O/P OFF  
VON/OFF = 0  
1.6  
1.6  
V
0.50  
0.01  
5
0.15  
−1  
0.15  
−1  
ON/OFF Input Current  
µA  
VON/OFF = 5V  
15  
15  
IO(PK)  
en  
Peak Output Current  
Output Noise  
VOUT VO(NOM) − 5%  
BW = 300 Hz–50 kHz,  
COUT = 10 µF  
400  
160  
150  
150  
mA  
µV  
Voltage (RMS)  
Ripple Rejection  
f = 1 kHz  
63  
dB  
COUT = 10 µF  
IO(MAX)  
Short Circuit Current  
RL = 0 (Steady State)  
150  
mA  
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4
Electrical Characteristics (Note 10) (Continued)  
Limits in standard typeface are for TJ = 25˚C, and limits in boldface type applyover the full operating temperature range. Un-  
less otherwise specified: VIN = VO(NOM) + 1V, CIN = 1 µF, IL = 1 mA, COUT = 4.7 µF,VON/OFF = 2V.  
Symbol  
Parameter  
Conditions  
Typ  
LP2981AI-XX  
LP2981I-XX  
Units  
(Note 6)  
(Note 6)  
Min  
Max  
Min  
Max  
(Note 9)  
Note 1: Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating the  
device outside of its rated operating conditions.  
Note 2: The ESD rating of pins 3 and 4 for the SOT-23 package, or pins 5 and 2 for the micro SMD package, is 1 kV.  
Note 3: The maximum allowable power dissipation is a function of the maximum junction temperature, T  
, the junction-to-ambient thermal resistance, θ , and  
JA  
J(MAX)  
the ambient temperature, T . The maximum allowable power dissipation at any ambient temperature is calculated using:  
A
The value of θ for the SOT-23 package is 220˚C/W and the micro SMD package is 225˚C/W. Exceeding the maximum allowable power dissipation will cause  
JA  
excessive die temperature, and the regulator will go into thermal shutdown.  
Note 4: If used in a dual-supply system where the regulator load is returned to a negative supply, the LP2981 output must be diode-clamped to ground.  
Note 5: The output PNP structure contains a diode between the V and V  
terminals that is normally reverse-biased. Reversing the polarity from V to V  
IN OUT  
IN  
OUT  
will turn on this diode (see Application Hints).  
Note 6: Limits are 100% production tested at 25˚C. Limits over the operating temperature range are guaranteed through correlation using Statistical Quality Control  
(SQC) methods. The limits are used to calculate National’s Average Outgoing Quality Level (AOQL).  
Note 7: Dropout voltage is defined as the input to output differential at which the output voltage drops 100 mV below the value measured with a 1V differential.  
Note 8: The ON/OFF inputs must be properly driven to prevent misoperation. For details, refer to Application Hints.  
Note 9: See Typical Performance Characteristics curves.  
Note 10: Exposing the micro SMD device to direct sunlight will cause misoperation. See Application Hints for additional information.  
Basic Application Circuit  
01250604  
*ON/OFF input must be actively terminated. Tie to V if this function is not to be used.  
IN  
**Minimum Output Capacitance is shown to insure stability over full load current range. More capacitance provides superior dynamic performance and additional  
stability margin (see Application Hints).  
***Do not make connections to this pin.  
5
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Typical Performance Characteristics Unless otherwise specified: TA = 25˚C, VIN = VO(NOM) + 1V,  
COUT = 4.7 µF, CIN = 1 µF all voltage options, ON/OFF pin tied to VIN  
.
Output Voltage vs  
Temperature  
Output Voltage vs  
Temperature  
01250607  
01250606  
Output Voltage vs  
Temperature  
Dropout Characteristics  
01250609  
01250608  
Dropout Characteristics  
Dropout Characteristics  
01250611  
01250610  
www.national.com  
6
Typical Performance Characteristics Unless otherwise specified: TA = 25˚C, VIN = VO(NOM) + 1V,  
COUT = 4.7 µF, CIN = 1 µF all voltage options, ON/OFF pin tied to VIN. (Continued)  
Dropout Voltage vs  
Temperature  
Dropout Voltage vs  
Load Current  
01250612  
01250613  
Ground Pin Current vs  
Temperature  
Ground Pin Current vs  
Load Current  
01250614  
01250615  
Input Current vs VIN  
Input Current vs VIN  
01250617  
01250616  
7
www.national.com  
Typical Performance Characteristics Unless otherwise specified: TA = 25˚C, VIN = VO(NOM) + 1V,  
COUT = 4.7 µF, CIN = 1 µF all voltage options, ON/OFF pin tied to VIN. (Continued)  
Line Transient Response  
Load Transient Response  
Load Transient Response  
Line Transient Response  
Load Transient Response  
Load Transient Response  
01250618  
01250619  
01250621  
01250620  
01250622  
01250623  
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8
Typical Performance Characteristics Unless otherwise specified: TA = 25˚C, VIN = VO(NOM) + 1V,  
COUT = 4.7 µF, CIN = 1 µF all voltage options, ON/OFF pin tied to VIN. (Continued)  
Instantaneous Short Circuit  
Short Circuit Current  
Current vs Temperature  
01250624  
01250625  
Instantaneous Short Circuit  
Current vs Output Voltage  
Short Circuit Current  
01250626  
01250627  
Output Impedance vs  
Frequency  
Ripple Rejection  
01250628  
01250629  
9
www.national.com  
Typical Performance Characteristics Unless otherwise specified: TA = 25˚C, VIN = VO(NOM) + 1V,  
COUT = 4.7 µF, CIN = 1 µF all voltage options, ON/OFF pin tied to VIN. (Continued)  
Output Impedance vs  
Output Noise Density  
Frequency  
01250631  
01250633  
01250635  
01250630  
01250632  
01250634  
Input to Output Leakage  
vs Temperature  
Output Reverse Leakage vs  
Temperature  
Turn-On Waveform  
Turn-Off Waveform  
www.national.com  
10  
Typical Performance Characteristics Unless otherwise specified: TA = 25˚C, VIN = VO(NOM) + 1V,  
COUT = 4.7 µF, CIN = 1 µF all voltage options, ON/OFF pin tied to VIN. (Continued)  
ON/OFF Pin Current vs  
VON/OFF  
ON/OFF Threshold  
vs Temperature  
01250637  
01250636  
11  
www.national.com  
Application Hints  
EXTERNAL CAPACITORS  
Like any low-dropout regulator, the external capacitors used  
with the LP2981 must be carefully selected to assure regu-  
lator loop stability.  
Input Capacitor: An input capacitor whose value is 1 µF is  
required with the LP2981 (amount of capacitance can be  
increased without limit).  
This capacitor must be located a distance of not more than  
0.5" from the input pin of the LP2981 and returned to a clean  
analog ground. Any good quality ceramic or tantalum can be  
used for this capacitor.  
Output Capacitor: The output capacitor must meet both the  
requirement for minimum amount of capacitance and E.S.R.  
(equivalent series resistance) value. Curves are provided  
which show the allowable ESR range as a function of load  
current for various output voltages and capacitor values  
(refer to Figures 1, 2, 3, 4).  
01250638  
FIGURE 1. 5V/3.3 µF ESR Curves  
Important: The output capacitor must maintain its ESR in  
the stable region over the full operating temperature range to  
assure stability. Also, capacitor tolerance and variation with  
temperature must be considered to assure the minimum  
amount of capacitance is provided at all times.  
This capacitor should be located not more than 0.5" from the  
output pin of the LP2981 and returned to a clean analog  
ground.  
CAPACITOR CHARACTERISTICS  
Tantalum: Tantalum capacitors are the best choice for use  
with the LP2981. Most good quality tantalums can be used  
with the LP2981, but check the manufacturer’s data sheet to  
be sure the ESR is in range.  
It is important to remember that ESR increases at lower  
temperatures and a capacitor that is near the upper limit for  
stability at room temperature can cause instability when it  
gets cold.  
01250639  
FIGURE 2. 5V/10 µF ESR Curves  
In applications which must operate at very low temperatures,  
it may be necessary to parallel the output tantalum capacitor  
with a ceramic capacitor to prevent the ESR from going up  
too high (see next section for important information on ce-  
ramic capacitors).  
Ceramic: Ceramic capacitors are not recommended for use  
at the output of the LP2981. This is because the ESR of a  
ceramic can be low enough to go below the minimum stable  
value for the LP2981. A 2.2 µF ceramic was measured and  
found to have an ESR of about 15 m, which is low enough  
to cause oscillations.  
If a ceramic capacitor is used on the output, a 1resistor  
should be placed in series with the capacitor.  
Aluminum: Because of large physical size, aluminum elec-  
trolytics are not typically used with the LP2981. They must  
meet the same ESR requirements over the operating tem-  
perature range, more difficult because of their steep increase  
at cold temperature.  
01250640  
An aluminum electrolytic can exhibit an ESR increase of as  
much as 50X when going from 20˚C to −40˚C. Also, some  
aluminum electrolytics are not operational below −25˚C be-  
cause the electrolyte can freeze.  
FIGURE 3. 3V/3.3 µF ESR Curves  
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12  
As shown, the Schottky diode is connected in parallel with  
the internal parasitic diode and prevents it from being turned  
on by limiting the voltage drop across it to about 0.3V.  
Application Hints (Continued)  
ON/OFF INPUT OPERATION  
The LP2981 is shut off by pulling the ON/OFF input low, and  
turned on by driving the input high. If this feature is not to be  
used, the ON/OFF input should be tied to VIN to keep the  
regulator on at all times (the ON/OFF input must not be left  
floating).  
To ensure proper operation, the signal source used to drive  
the ON/OFF input must be able to swing above and below  
the specified turn-on/turn-off voltage thresholds which guar-  
antee an ON or OFF state (see Electrical Characteristics).  
The ON/OFF signal may come from either a totem-pole  
output, or an open-collector output with pull-up resistor to the  
LP2981 input voltage or another logic supply. The high-level  
voltage may exceed the LP2981 input voltage, but must  
remain within the Absolute Maximum Ratings for the ON/  
OFF pin.  
01250642  
FIGURE 4. 3V/10 µF ESR Curves  
REVERSE CURRENT PATH  
It is also important that the turn-on/turn-off voltage signals  
applied to the ON/OFF input have a slew rate which is  
greater than 40 mV/µs.  
Important: the regulator shutdown function will operate incor-  
rectly if a slow-moving signal is applied to the ON/OFF input.  
The power transistor used in the LP2981 has an inherent  
diode connected between the regulator input and output  
(see below).  
MICRO SMD MOUNTING  
The micro SMD package requires specific mounting tech-  
niques which are detailed in National Semiconductor Appli-  
cation Note # 1112. Referring to the section Surface Mount  
Technology (SMT) Assembly Considerations, it should be  
noted that the pad style which must be used with the 5-pin  
package is the NSMD (non-solder mask defined) type.  
01250641  
For best results during assembly, alignment ordinals on the  
PC board may be used to facilitate placement of the micro  
SMD device.  
If the output is forced above the input by more than a VBE  
this diode will become forward biased and current will flow  
from the VOUT terminal to VIN  
,
.
<
This current must be limited to 100 mA to prevent damage  
to the part.  
MICRO SMD LIGHT SENSITIVITY  
Exposing the micro SMD device to direct sunlight will cause  
misoperation of the device. Light sources such as Halogen  
lamps can also affect electrical performance if brought near  
to the device.  
The internal diode can also be turned on by abruptly step-  
ping the input voltage to a value below the output voltage.  
To prevent regulator mis-operation, a Schottky diode should  
be used in any application where input/output voltage con-  
ditions can cause the internal diode to be turned on (see  
below).  
The wavelenghts which have the most detrimental effect are  
reds and infra-reds, which means that the fluorescent light-  
ing used inside most buildings has very little effect on per-  
formance. A micro SMD test board was brought to within 1  
cm of a fluorescent desk lamp and the effect on the regu-  
lated output voltage was negligible, showing a deviation of  
less than 0.1% from nominal.  
01250643  
13  
www.national.com  
Physical Dimensions inches (millimeters) unless otherwise noted  
5-Lead Small Outline Package (M5)  
NS Package Number MF05A  
For Order Numbers, refer to Table 1 in the “Ordering Information” section of this document.  
www.national.com  
14  
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)  
NOTES: UNLESS OTHERWISE SPECIFIED  
1. EPOXY COATING  
2. 63Sn/37Pb EUTECTIC BUMP  
3. RECOMMEND NON-SOLDER MASK DEFINED LANDING PAD.  
4. PIN 1 IS ESTABLISHED BY LOWER LEFT CORNER WITH RESPECT TO TEXT ORIENTATION. REMAINING PINS ARE NUMBERED COUNTER  
CLOCKWISE.  
5. XXX IN DRAWING NUMBER REPRESENTS PACKAGE SIZE VARIATION WHERE X1 IS PACKAGE WIDTH, X2 IS PACKAGE LENGTH AND X3 IS  
PACKAGE HEIGHT.  
6.NO JEDEC REGISTRATION AS OF AUG.1999.  
micro SMD, 5 Bump Package (BPA05)  
NS Package Number BPA05A  
For Order Numbers, refer to Table 1 in the “Order Information” section of this document.  
The dimensions for X1, X2 and X3 are as given:  
X1 = 0.930 +/− 0.030mm  
X2 = 1.107 +/− 0.030mm  
X3 = 0.850 +/− 0.050mm  
15  
www.national.com  
Notes  
National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves  
the right at any time without notice to change said circuitry and specifications.  
For the most current product information visit us at www.national.com.  
LIFE SUPPORT POLICY  
NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS  
WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR  
CORPORATION. As used herein:  
1. Life support devices or systems are devices or systems  
which, (a) are intended for surgical implant into the body, or  
(b) support or sustain life, and whose failure to perform when  
properly used in accordance with instructions for use  
provided in the labeling, can be reasonably expected to result  
in a significant injury to the user.  
2. A critical component is any component of a life support  
device or system whose failure to perform can be reasonably  
expected to cause the failure of the life support device or  
system, or to affect its safety or effectiveness.  
BANNED SUBSTANCE COMPLIANCE  
National Semiconductor manufactures products and uses packing materials that meet the provisions of the Customer Products  
Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain  
no ‘‘Banned Substances’’ as defined in CSP-9-111S2.  
Leadfree products are RoHS compliant.  
National Semiconductor  
Americas Customer  
Support Center  
National Semiconductor  
Europe Customer Support Center  
Fax: +49 (0) 180-530 85 86  
National Semiconductor  
Asia Pacific Customer  
Support Center  
National Semiconductor  
Japan Customer Support Center  
Fax: 81-3-5639-7507  
Email: new.feedback@nsc.com  
Tel: 1-800-272-9959  
Email: europe.support@nsc.com  
Deutsch Tel: +49 (0) 69 9508 6208  
English Tel: +44 (0) 870 24 0 2171  
Français Tel: +33 (0) 1 41 91 8790  
Email: ap.support@nsc.com  
Email: jpn.feedback@nsc.com  
Tel: 81-3-5639-7560  
www.national.com  

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