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TPS3802K33 [TI]

ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS; 超小型电源电压监控器
TPS3802K33
型号： TPS3802K33
厂家： TEXAS INSTRUMENTS    TEXAS INSTRUMENTS
描述：

ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS
超小型电源电压监控器

监控
文件： 总11页 (文件大小：217K)
中文：  中文翻译
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TPS3800-xx  
TPS3801-xx  
TPS3802-xx  
www.ti.com  
SLVS219C–AUGUST 1999–REVISED JULY 2003  
ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS  
FEATURES  
DESCRIPTION  
•
•
•
Small, 5-Pin SC-70 (SOT-323) Package  
The TPS380x family of supervisory circuits monitor  
supply voltages to provide circuit initialization and  
timing supervision, primarily for DSPs and other pro-  
cessor-based systems.  
Supply Current of 9 µA  
Power-On Reset Generator With Fixed Delay  
Time  
These devices assert a push-pull RESET signal when  
the SENSE (adjustable version) or VDD (fixed version)  
drops below a preset threshold. The RESET output  
remains asserted for the factory programmed delay  
time after the SENSE or VDD return above its threshold.  
– TPS3800 = 100 ms  
– TPS3801 = 200 ms  
– TPS3802 = 400 ms  
•
Precision Supply Voltage Monitor 1.8 V, 2.5 V,  
2.7 V, 3 V, 3.3 V, 5 V, and Adjustable  
The TPS380x devices, except the TPS3801-01, incor-  
porate a manual reset input (MR). A low level at MR  
causes RESET to become active.  
•
•
Manual Reset Input (Except TPS3801-01)  
Temperature Range: -40°C to 85°C  
The TPS380x uses a precision reference to achieve an  
overall threshold accuracy of 2% - 2.5%. These devices  
are available in a 5-pin SC-70 package, which is only  
about half the size of a 5-pin SOT-23 package.  
APPLICATIONS  
•
Applications Using DSPs, Microcontrollers, or  
Microprocessors  
The TPS380x devices are fully specified over a tem-  
perature range of -40°C to 85°C.  
•
•
•
•
•
•
•
Wireless Communication Systems  
Portable/Battery-Powered Equipment  
Programmable Controls  
Intelligent Instruments  
Industrial Equipment  
Notebook/Desktop Computers  
Automotive Systems  
TPS380x . . . DCK PACKAGE  
typical applications  
(TOP VIEW)  
V
DD  
= 1.8 V  
1
2
3
5
4
MR  
GND  
GND  
CoreV  
100 nF  
DD  
TMS320VC5420  
V
DD  
V
DD  
RESET  
TPS3801E18  
MR RESET  
RESET  
GND  
TPS3801−01. . . DCK PACKAGE  
(TOP VIEW)  
GND  
1
2
3
5
SENSE  
GND  
GND  
4
V
DD  
RESET  
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.  
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 in-  
cludetestingofallparameters.  
Copyright © 1999–2003, Texas Instruments Incorporated  
TPS3800-xx  
TPS3801-xx  
TPS3802-xx  
www.ti.com  
SLVS219C–AUGUST 1999–REVISED JULY 2003  
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.  
AVAILABLE OPTIONS  
TA  
Device name  
TPS3801-01DCK  
THRESHOLD VOLTAGE  
Adjustable (Vref = 1.14 V)  
TYP DELAY TIME MARKING  
200 ms  
200 ms  
200 ms  
95 ms  
ARF  
TPS3801E18DCK  
TPS3801J25DCK  
TPS3800G27DCK  
TPS3801L30DCK  
TPS3801K33DCK  
TPS3802L30DCK  
TPS3802K33DCK  
TPS3801T50DCK  
TPS3801I50DCK  
1.71 V  
2.25 V  
2.5 V  
ARE  
NJA  
ARI  
2.64 V  
2.93 V  
2.64 V  
2.93 V  
4.00 V  
4.55 V  
200 ms  
200 ms  
380 ms  
380 ms  
25 ms  
NPA  
NWA  
ASA  
ARK  
AVI  
-40°C to 85°C  
200 ms  
NSA  
ABSOLUTE MAXIMUM RATINGS  
(1) (2)  
over operating free-air temperature range (unless otherwise noted)  
UNIT  
Supply voltage, VDD  
7 V  
All other pins  
-0.3 V to 7 V  
5 mA  
Maximum low-output current, IOL  
Maximum high-output current, IOH  
-5 mA  
Input-clamp current, IIK (VI < 0 or VI > VDD  
)
±20 mA  
Output-clamp current, IOK (VO < 0 or VO > VDD  
)
±20 mA  
(3)  
Operating junction temperature range, TJ  
Storage temperature range, Tstg  
-40°C to 85°C  
-65°C to 150°C  
260°C  
Soldering temperature (3 seconds)  
(1)  
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings  
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating  
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.  
All voltage values are with respect to GND. For reliable operation, the device should not be operated at 7 V for more than t=1000h  
continuously.  
(2)  
(3)  
Due to the low dissipation power of this device, it is assumed that TJ = TA.  
RECOMMENDED OPERATING CONDITIONS  
min  
max  
unit  
TPS3801J25, TPS3801L30,  
TPS3801K33, TPS3801I50,  
TPS3801T50  
2
6
4
Supply voltage, VDD  
V
All other devices  
1.6  
0
Input voltage, VI  
VDD+0.3  
V
V
High-level input voltage, VIH  
0.7×VDD  
Low-level input voltage, VIL  
0.3×VDD  
100  
V
Input transition rise and fall rate at MR, ∆t/∆V  
Operating free-air temperature range, TA  
ns/V  
°C  
-40  
85  
2
TPS3800-xx  
TPS3801-xx  
TPS3802-xx  
www.ti.com  
SLVS219C–AUGUST 1999–REVISED JULY 2003  
ELECTRICAL CHARACTERISTICS  
over -40°C to 85°C free-air temperature range (unless otherwise noted)  
parameter  
test conditions  
min  
typ  
max  
unit  
VDD = 1.6 V to 6 V IOH = -500 µA  
VDD = 3.3 V IOH = -2 mA  
VDD -0.2  
VDD -0.4  
VDD -0.4  
VOH  
High-level output voltage (RESET)  
V
(1)  
VDD = 6 V IOH = -4 mA  
VDD = 1.6 V to 6 V, IOL = 500 µA  
VDD = 3.3 V, IOL = 2 mA  
0.2  
VOL  
Low-level output voltage (RESET)  
0.4  
0.4  
0.2  
V
V
(1)  
VDD = 6 V, IOL = 4 mA  
(2)  
Power-up reset voltage  
VDD ≥ 1.1 V, IOL = 50 µA  
TPS380x-01  
TPS380xE18  
TPS380xJ25  
TPS380xG27  
TPS380xL30  
TPS380xK33  
TPS380xI50  
TPS380xT50  
TPS380x-01  
TPS380xx18  
TPS380xx25  
TPS380xx27  
TPS380xx30  
TPS380xx33  
TPS380xx50  
1.117  
1.67  
2.2  
1.14 1.163  
1.71  
2.25  
2.5  
2.64  
2.93  
4.55  
4
1.75  
2.3  
2.45  
2.58  
2.87  
4.45  
3.92  
2.55  
2.7  
Negative-going input  
threshold voltage  
VIT-  
TA = -40°C to 85°C  
V
(3)  
2.99  
4.65  
4.08  
15  
25  
30  
Vhys  
Threshold hysteresis  
35  
mV  
35  
40  
60  
IIH  
IIL  
II  
High-level input current (MR )  
Low-level input current (MR)  
Input current (SENSE)  
MR = 0.7×VDD, VDD = 6 V  
-40  
-130  
-25  
-60  
-200  
-100  
-340  
25  
µA  
nA  
MR = 0 V, VDD = 6 V  
TPS3801J25, VDD = 2 V, MR and output unconnected  
9
12  
TPS3801L30,  
TPS3801K33,  
VDD = 6 V, MR and output unconnected  
TPS3801I50,  
20  
25  
10  
TPS3801T50  
VDD = 1.6 V, SENSE = 0 V to VDD, output  
unconnected  
7
IDD  
Supply current  
µA  
pF  
TPS3801-01  
VDD = 4 V, SENSE = 0 V to VDD, output  
unconnected  
9
8
12  
11  
TPS3801E18, VDD = 1.6 V, MR and output unconnected  
TPS3800G27,  
TPS3802K33,  
TPS3802L30  
VDD = 4 V, MR and output unconnected  
13  
5
18  
Ci  
Input capacitance  
VI = 0 V to VDD  
(1)  
(2)  
(3)  
Only valid for the TPS3801J25, TPS3801L30, TPS3801K33, TPS3801I50, and TPS3801T50.  
The lowest supply voltage at which RESET becomes active. tr, VDD≥ 15 µs/V.  
To ensure the best stability of the threshold voltage, a bypass capacitor (0.1-µF ceramic) should be placed near the supply terminals.  
3
TPS3800-xx  
TPS3801-xx  
TPS3802-xx  
www.ti.com  
SLVS219C–AUGUST 1999–REVISED JULY 2003  
TIMING REQUIREMENTS  
at RL = 1 MΩ, CL = 50 pF, TA = 25°C  
parameter  
TEST CONDITIONS  
min  
TYP  
max  
unit  
µs  
ns  
at SENSE  
at VDD  
VDD = 1.6 V,VIH = 1.1 × VIT-, VIL = 0.9 × VIT-  
VDD = VIT- + 0.2 V, VDD = VIT- -0.2 V  
1
3
tw  
Pulse width  
at MR  
VDD ≥ VIT- + 0.2 V, VIL = 0.3 × VDD, VIH = 0.7 × VDD  
100  
SWITCHING CHARACTERISTICS  
at RL = 1 MΩ, CL = 50 pF, TA = 25°C  
parameter  
TEST CONDITIONS  
min  
TYP  
max  
35  
unit  
TPS3801T50  
15  
60  
25  
95  
VDD ≥ VIT- + 0.2 V,  
MR≥ 0.7 × VDD  
See timing diagram  
TPS3800  
TPS3801  
TPS3802  
140  
280  
560  
td  
RESET recovery delay time  
ms  
120  
240  
200  
380  
VDD ≥ VIT- + 0.2 V,  
MR to RESET delay  
VIL = 0.3 × VDD  
,
15  
1
ns  
µs  
Propagation (delay) time, high-to-low-level  
output  
VIH = 0.7 × VDD  
tPHL  
VDD to RESET delay  
SENSE to RESET  
VIL = VIT- - 0.2 V,  
VIH = VIT- + 0.2 V  
FUNCTIONAL BLOCK DIAGRAM  
FUNCTION/TRUTH TABLE, TPS380x  
MR  
V >V  
DD IT  
RESET  
L
L
0
1
0
1
L
L
L
H
H
H
TPS380x  
V
DD  
MR  
Reset  
Logic  
+
RESET  
30 kΩ  
R1  
Timer  
_
+
V
DD  
R2  
GND  
Oscillator  
Reference  
Voltage  
of 1.14 V  
Figure 1. functional block diagram  
4
TPS3800-xx  
TPS3801-xx  
TPS3802-xx  
www.ti.com  
SLVS219C–AUGUST 1999–REVISED JULY 2003  
TPS3801−01  
Device Supply  
Voltage  
V
DD  
V
DD  
Reset  
Logic  
+
RESET  
Timer  
_
+
SENSE  
Oscillator  
Reference  
Voltage  
of 1.14 V  
Figure 2. functional block diagram (continued)  
TIMING DIAGRAM  
V
DD  
V
(NOM)  
V
IT  
1.1 V  
t
MR  
1
0
t
RESET  
1
0
t
t
d
t
d
t
d
Undefined Behavior of  
RESET Output For V < 1.1 V  
DD  
NOTE: RESET should not be forced high during the power-up sequence (until VDD > 1.1 V).  
5
TPS3800-xx  
TPS3801-xx  
TPS3802-xx  
www.ti.com  
SLVS219C–AUGUST 1999–REVISED JULY 2003  
TYPICAL CHARACTERISTICS  
LOW-LEVEL OUTPUT VOLTAGE  
vs  
LOW-LEVEL OUTPUT CURRENT  
SUPPLY CURRENT  
vs  
SUPPLY VOLTAGE  
50  
40  
2.75  
2.50  
2.25  
2.00  
1.75  
1.50  
1.25  
1.00  
0.75  
0.50  
0.25  
0.00  
MR = OPEN  
T = 25°C  
V
DD  
= 2.5 V  
MR = OPEN  
A
30  
20  
T = 25°C  
A
10  
TPS3801J25  
0
T = 85°C  
A
−10  
−20  
−30  
−40  
−50  
T = 0°C  
A
T = -40°C  
A
−2  
0
2
4
6
0.0  
2.5  
5.0  
7.5  
10.0  
12.5  
V
DD  
− Supply Voltage − V  
I
− Low-Level Output Current − mA  
OL  
Figure 3.  
Figure 4.  
HIGH-LEVEL OUTPUT VOLTAGE  
vs  
HIGH-LEVEL OUTPUT CURRENT  
HIGH-LEVEL OUTPUT VOLTAGE  
vs  
HIGH-LEVEL OUTPUT CURRENT  
6.5  
6.0  
5.5  
5.0  
4.5  
4.0  
3.5  
3.0  
2.5  
2.0  
1.5  
1.0  
0.5  
0.0  
3.00  
2.75  
2.50  
2.25  
2.00  
1.75  
1.50  
1.25  
1.00  
0.75  
0.50  
0.25  
0.00  
V
= 2.5 V  
DD  
V
= 6.0 V  
DD  
MR = OPEN  
MR = OPEN  
T = - 40° C  
A
T = - 40° C  
A
T = 0° C  
A
T = 0° C  
A
T = 85° C  
A
T = 85° C  
A
T = 25° C  
A
T = 25° C  
A
0
−10  
−20  
−30  
−40  
−50  
0
−2  
−4  
−6  
−8  
−10  
I
− High- Level Output Current − mA  
I
− High- Level Output Current − mA  
OH  
OH  
Figure 5.  
Figure 6.  
6
TPS3800-xx  
TPS3801-xx  
TPS3802-xx  
www.ti.com  
SLVS219C–AUGUST 1999–REVISED JULY 2003  
TYPICAL CHARACTERISTICS (continued)  
INPUT CURRENT  
vs  
INPUT VOLTAGE AT MR  
MINIMUM PULSE DURATION AT VDD  
vs  
VDD THRESHOLD OVERDRIVE VOLTAGE  
3.5  
3
100  
V
T
A
= 6 V  
= 25° C  
MR = OPEN  
DD  
0
−100  
−200  
−300  
−400  
−500  
2.5  
2
1.5  
1
0.5  
0
0
0.2  
DD  
0.4  
0.6  
0.8  
1
−2  
0
2
4
6
V
Threshold Overdrive Voltage − V  
V − Input Voltage at MR − V  
I
Figure 7.  
Figure 8.  
NORMALIZED INPUT THRESHOLD VOLTAGE  
NORMALIZED INPUT THRESHOLD VOLTAGE  
vs  
vs  
FREE-AIR TEMPERATURE AT VDD  
FREE-AIR TEMPERATURE AT VDD  
1.006  
1.004  
1.002  
1
1.001  
1.000  
0.999  
0.998  
0.997  
0.996  
0.995  
TPS3801−01  
TPS3801E18  
TPS3800  
MR = OPEN  
TPS3802  
0.998  
0.996  
0.994  
0.992  
0.990  
0.988  
TPS3801S25  
TPS3801L30  
TPS3801K33  
TPS3801I50  
TPS3801T50  
−40  
−20  
0
20  
40  
60  
80  
−40  
−20  
0
20  
40  
60  
85  
T
A
− Free- Air Temperature at V − ° C  
DD  
T
A
− Free- Air Temperature at V − ° C  
DD  
Figure 9.  
Figure 10.  
7
PACKAGE OPTION ADDENDUM  
www.ti.com  
8-Aug-2005  
PACKAGING INFORMATION  
Orderable Device  
TPS3800G27DCKR  
TPS3800G27DCKRG4  
TPS3801-01DCKR  
Status (1)  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
Package Package  
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)  
Qty  
Type  
Drawing  
SC70  
DCK  
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
SC70  
SC70  
SC70  
SC70  
SC70  
SC70  
SC70  
SC70  
SC70  
SC70  
SC70  
SC70  
SC70  
SC70  
SC70  
DCK  
DCK  
DCK  
DCK  
DCK  
DCK  
DCK  
DCK  
DCK  
DCK  
DCK  
DCK  
DCK  
DCK  
DCK  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
TPS3801-01DCKRG4  
TPS3801E18DCKR  
TPS3801E18DCKRG4  
TPS3801I50DCKR  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
TPS3801I50DCKRG4  
TPS3801J25DCKR  
TPS3801J25DCKRG4  
TPS3801K33DCKR  
TPS3801K33DCKRG4  
TPS3801L30DCKR  
TPS3801L30DCKRG4  
TPS3801T50DCKR  
TPS3801T50DCKRG4  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
TPS3801T50DCKT  
TPS3802K33DCKR  
OBSOLETE  
ACTIVE  
SC70  
SC70  
DCK  
DCK  
5
5
TBD  
Call TI  
Call TI  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
TPS3802K33DCKRG4  
TPS3802L30DCKR  
ACTIVE  
ACTIVE  
ACTIVE  
SC70  
SC70  
SC70  
DCK  
DCK  
DCK  
5
5
5
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
TPS3802L30DCKRG4  
3000 Green (RoHS & CU NIPDAU Level-1-260C-UNLIM  
no Sb/Br)  
(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)  
Eco Plan  
-
The planned eco-friendly classification: Pb-Free (RoHS) or Green (RoHS  
&
no Sb/Br)  
-
please check  
Addendum-Page 1  
PACKAGE OPTION ADDENDUM  
www.ti.com  
8-Aug-2005  
http://www.ti.com/productcontent for the latest availability information and additional product content details.  
TBD: The Pb-Free/Green conversion plan has not been defined.  
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements  
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered  
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.  
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame  
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)  
(3)  
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder  
temperature.  
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.  
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Addendum-Page 2  
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