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UZM33064G

型号：

UZM33064G

品牌：

DIODES[ DIODES INCORPORATED ]

页数：

5 页

PDF大小：

176 K

下载PDF手册
SUPPLY VOLTAGE  
MONITOR  
ZM33064  
ISSUE 4 - JULY 2006  
DEVICE DESCRIPTION  
FEATURES  
The ZM33064 is a three terminal under  
voltage monitor circuit for use in  
microprocessor systems. The threshold  
voltage of the device hasbeen set to 4.6 volts  
making it ideal for 5 volt circuits.  
SO8, SOT223 and TO92 packages  
Power on reset generator  
Automatic reset generation  
Low standby current  
•
•
•
•
•
•
•
Guaranteed operation from 1 volt  
Wide supply voltage range  
Included in the device is a precise voltage  
reference and a comparator with built in  
hysteresis to prevent erratic operation. The  
ZM33064 features an open collector output  
capable of sinking at least l0mA which only  
requires a single external resistor to  
interface to following circuits.  
Internal clamp diode to discharge delay  
capacitor  
4.6 volt threshold for 5 volt logic  
•
•
20mV hysteresis prevents erratic operation  
APPLICATIONS  
Operation of the device is guaranteed from  
one volt upwards, from this level to the  
device threshold voltage the output is held  
low providing a power on reset function.  
Shouldthesupplyvoltage, onceestablished,  
at any time drop below the threshold level  
then the output again will pull low.  
Microprocessor systems  
•
Computers  
•
Computer peripherals  
•
Instrumentation  
•
Automotive  
•
Battery powered equipment  
•
The device is available in a TO92 package for  
through hole applicationsaswell asSO8 and  
SOT223 for surface mount requirements.  
SCHEMATIC DIAGRAM  
Issue 4 - July 2006  
© Zetex Semiconductors plc 2006  
ZM33064  
ABSOLUTE MAXIMUM RATING  
Input Supply Voltage  
-1 to 10V  
10V  
Power Dissipation  
TO92  
Offstate Output Voltage  
780mW  
Onstate Output  
SOT223  
SO8  
2W(Note 2)  
780mW(Note 2)  
Sink Current(Note 1)  
Internally limited  
100mA  
Clamp diode  
Forward Current(Note 1)  
Operating junction  
temperature  
150°C  
Operating Temperature  
Storage Temperature  
TEST CONDITIONS  
-40 to 85°C  
-65 to 150°C  
(T  
=25°C for typical values, T =-40 to 85°C for min/max values (Note3))  
amb  
amb  
COMPARATOR  
MIN  
TYP.  
MAX.  
PARAMETER  
SYMBOL  
UNITS  
Threshold Voltage  
High state output (Vcc increasing)  
Low state output (Vcc decreasing)  
VIH  
VIL  
4.5  
4.5  
4.61  
4.59  
4.7  
4.7  
V
V
Hysteresis  
VH  
0.01  
0.02  
0.05  
V
OUPUT  
MIN  
TYP.  
MAX.  
PARAMETER  
SYMBOL  
VOL  
UNITS  
Output sink saturation:  
(Vcc=4.0V, Isink=8.0mA)  
(Vcc=4.0V, Isink=2.0mA)  
(Vcc=1.0V, Isink=0.1mA)  
0.46  
0.15  
1.0  
0.4  
0.25  
60  
V
V
V
Onstate output sink current  
(Vcc , Output=4V)  
Isink  
Ioh  
Vf  
10  
20  
mA  
Offstate output leakage current  
(Vcc , Output=5V)  
0.02  
1.2  
1.5  
0.5  
1.5  
µA  
V
Clamp diode forward voltage  
(If=10mA)  
0.6  
Propagation delay  
Td  
µs  
(Vin 5V to 4V, Rl=10k, Tamb=25°C)  
TOTAL DEVICE  
MIN  
1.0 to 6.5  
TYP.  
MAX.  
PARAMETER  
SYMBOL  
UNITS  
V
Operating input voltage range  
Vcc  
Iq  
Quiescent input current (Vcc=5V)  
135  
200  
µA  
Note:  
1. Maximum package power dissipation must be observed  
2. Maximum power dissipation, for the SOT223 and SO8 packages, is calculated assuming  
that the device is mounted on a PCB measuring 2 inches square.  
3. Low duty cycle pulse techniques are used during test to maintain junction temperatures as  
Issue 4 - July 2006  
© Zetex Semiconductors plc 2006  
www.zetex.com  
ZM33064  
TYPICAL CHARACTERISTICS  
500  
10  
RL=10K  
TA=25 °C  
8
400  
300  
200  
100  
0
6
4
25 °C  
-40 °C  
85 °C  
2
0
0
2
4
6
8
10  
0
2
4
6
8
10  
(V)  
Input Voltage  
(V)  
Input Voltage  
Input Current vs. Input Voltage  
Output Voltage vs. Input Voltage  
30  
20  
10  
RL=10K  
Vin=4V  
-40 °C  
5
4
25 °C  
85 °C  
Ϸ
Ϸ
4
2
0
0
3
0
1
2
4
0
0.4  
0.8  
1.2  
1.6  
2.0  
Time (µs)  
Output Saturation Voltage (V)  
Output Saturation Voltage vs. Sink Current  
Reset Delay Time  
80  
4.70  
Vin=0V  
60  
4.65  
4.60  
Upper Threshold  
85 °C  
40  
25 °C  
Lower Threshold  
-40 °C  
20  
4.55  
4.50  
0
0
0.4  
0.8  
1.2  
1.6  
2.0  
-40  
0
20  
80  
-20  
40  
60  
100  
Forward Voltage (V)  
Temperature ( °C)  
Clamp Diode Forward Current vs. Voltage  
Threshold Voltage vs. Temperature  
Issue 4 - July 2006  
© Zetex Semiconductors plc 2006  
www.zetex.com  
ZM33064  
TIMING DIAGRAM  
Vcc  
Threshold  
Voltage  
1 V  
Output  
Output  
Output  
Undefined  
Undefined  
APPLICATION CIRCUIT  
Note 4: A time delayed reset can be accomplished with the additional Cd.  
1
TDY =Time (Seconds)  
VTH =Microprocessor Reset Threshold  
Vin =Power Supply Voltage  
TDY = RCd ln  
VTH(mpu)  
1 −  
Vin  
Issue 4 - July 2006  
© Zetex Semiconductors plc 2006  
www.zetex.com  
ZM33064  
CONNECTION DIAGRAMS  
SO8 Package Suffix – N8  
SOT223 Package Suffix – G  
Top View  
Top View –  
Pin 4 floating or connected to pin 2  
TO92 Package Suffix – C  
Bottom View –  
ORDERING INFORMATION  
Part Number  
ZM33064N8  
ZM33064G  
ZM33064C  
Package  
SO8  
Part Mark  
ZM33064  
ZM33064  
ZM33064  
SOT223  
TO92  
Europe  
Americas  
Zetex Inc  
Asia Pacific  
Zetex (Asia Ltd)  
Corporate Headquarters  
Zetex GmbH  
Zetex Semiconductors plc  
Streitfeldstraße 19  
D-81673 München  
Germany  
700 Veterans Memorial Highway 3701-04 Metroplaza Tower 1 Zetex Technology Park, Chadderton  
Hauppauge, NY 11788  
USA  
Hing Fong Road, Kwai Fong Oldham, OL9 9LL  
Hong Kong United Kingdom  
Telefon: (49) 89 45 49 49 0 Telephone: (1) 631 360 2222  
Telephone: (852) 26100 611 Telephone: (44) 161 622 4444  
Fax: (49) 89 45 49 49 49  
europe.sales@zetex.com  
Fax: (1) 631 360 8222  
usa.sales@zetex.com  
Fax: (852) 24250 494  
asia.sales@zetex.com  
Fax: (44) 161 622 4446  
hq@zetex.com  
For international sales offices visit www.zetex.com/offices  
Zetex products are distributed worldwide. For details, see www.zetex.com/salesnetwork  
This publication is issued to provide outline information only which (unless agreed by the company in writing) may not be  
used, applied or reproduced for any purpose or form part of any order or contact or be regarded as a representation relating  
to the products or services concerned. The company reserves the right to alter without notice the specification, design, price  
or conditions of supply of any product or service.  
Issue 4 - July 2006  
© Zetex Semiconductors plc 2006  
www.zetex.com  
厂商 型号 描述 页数 下载

DIODES

 		UZM33064C [ Power Supply Support Circuit, Fixed, 1 Channel, PBCY3, TO-92, 3 PIN ] 5 页

ZETEX

 		UZM33064GTA [ Power Supply Support Circuit, Fixed, 1 Channel, PDSO4, SOT-223, 4 PIN ] 5 页

DIODES

 		UZM33064GTC [ Power Supply Support Circuit, Fixed, 1 Channel, PDSO4, SOT-223, 4 PIN ] 5 页

DIODES

 		UZM331643C [ Power Supply Support Circuit, Fixed, 1 Channel, PBCY3, TO-92, 3 PIN ] 5 页

DIODES

 		UZM331643CSTOB [ Power Supply Support Circuit, Fixed, 1 Channel, PBCY3, TO-92, 3 PIN ] 5 页

DIODES

 		UZM331643G [ Power Supply Support Circuit, Fixed, 1 Channel, PDSO4, SOT223, 4 PIN ] 5 页

DIODES

 		UZM331643GTA [ Power Supply Support Circuit, Fixed, 1 Channel, PDSO4, SOT-223, 4 PIN ] 5 页

ZETEX

 		UZM331643GTA [ Power Supply Support Circuit, Fixed, 1 Channel, PDSO4, SOT-223, 4 PIN ] 5 页

DIODES

 		UZM331643GTC [ Power Supply Support Circuit, Fixed, 1 Channel, PDSO4, SOT-223, 4 PIN ] 5 页

DIODES

 		UZM33164C [ Power Supply Support Circuit, Fixed, 1 Channel, PBCY3, TO-92, 3 PIN ] 5 页

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