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PDF SGM802 Data sheet ( Hoja de datos )
| Número de pieza | SGM802 | |
| Descripción | SOT uP Reset Circuit | |
| Fabricantes | Shengbang Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SGM802 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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SGM802
Low-Power, SC70/SOT µP Reset Circuit with
Capacitor-Adjustable Reset Timeout Delay
GENERAL DESCRIPTION
The SGM802 low-power micro-processor supervisor
circuit monitors system voltages from 1.6V to 5V. This
device performs a single function: it asserts a reset signal
whenever the VCC supply voltage falls below its reset
threshold. The reset output remains asserted for the
reset timeout period after VCC rises above the reset
threshold. The reset timeout is externally set by a
capacitor to provide more flexibility.
FEATURES
Monitor System Voltages from 1.6V to 5V
Capacitor-Adjustable Reset Timeout Period
Low Quiescent Current (3µA TYP)
Push-Pull RESET Output Option
Guaranteed RESET Valid to VCC = 1V
Immune to Short VCC Transients
Available in Green SC70-4 (R) and SOT-143
Packages
The SGM802 has an active-high, push-pull reset output.
It is available in Green SC70-4 (R) and SOT-143
packages. The SGM802 is specified over an ambient
temperature range of -40℃ to +85℃.
TYPICAL APPLICATION
APPLICATIONS
Portable Equipment
Battery-Powered Computers/Controllers
Automotive
Medical Equipment
Intelligent Instruments
Embedded Controllers
Critical µP Monitoring
Set-Top Boxes
Computers
VCC
CSRT
SRT
SGM802
RESET
GND
VCC
MICROPROCESSOR
SYSTEM
RESET
GND
SG Micro Corp
www.sg-micro.com
REV. A. 2
1 page  
SGM802
Low-Power, SC70/SOT µP Reset Circuit with
Capacitor-Adjustable Reset Timeout Delay
TYPICAL PERFORMANCE CHARACTERISTICS
VCC = 5V, CSRT = 1500pF, TA = +25℃, unless otherwise noted.
Supply Current vs. Supply Voltage
6
5
+85℃
4 +25℃
3
-40℃
2
1
VTH = 1.63V
0
0123456
Supply Voltage (V)
Reset Timeout Period vs. Temperature
500
CSRT = 0
460
420
380
340
300
-50
-25
0 25 50
Temperature (℃)
75 100
Normalized Reset Threshold vs. Temperature
1.006
1.004
1.002
1.000
0.998
0.996
0.994
-50
-25
0 25 50
Temperature (℃)
75 100
10000
1000
100
10
1
0.1
0.01
Reset Timeout Period vs. CSRT
0.1 1 10 100 1000
CSRT (nF)
Reset Timeout Period vs. Temperature
4.6
CSRT = 1500pF
4.5
4.4
4.3
4.2
4.1
-50
-25
0 25 50
Temperature (℃)
75 100
Maximum Transient Duration vs. Reset
Threshold Overdrive
70
VTH = 2.93V
60
50
40
30
20
10
0
200 400 600 800
Reset Threshold Overdrive (mV)
1000
SG Micro Corp
www.sg-micro.com
5
5 Page 
SGM802
Low-Power, SC70/SOT µP Reset Circuit with
Capacitor-Adjustable Reset Timeout Delay
TAPE AND REEL INFORMATION
REEL DIMENSIONS
TAPE DIMENSIONS
P2 P0
W
Q1 Q2
Q3 Q4
Q1 Q2
Q3 Q4
Q1 Q2
Q3 Q4
B0
Reel Diameter
Reel Width (W1)
P1
DIRECTION OF FEED
A0
K0
NOTE: The picture is only for reference. Please make the object as the standard.
KEY PARAMETER LIST OF TAPE AND REEL
Package Type
SC70-4 (R)
Reel Width
Reel Diameter
W1
(mm)
7″ 9.5
A0
(mm)
3.2
B0
(mm)
2.8
K0
(mm)
1.3
P0
(mm)
4.0
P1
(mm)
4.0
P2
(mm)
2.0
W
(mm)
8.0
Pin1
Quadrant
Q3
SOT-143
7″
9.5
3.2 2.8 1.3 4.0 4.0 2.0 8.0
Q3
SG Micro Corp
www.sg-micro.com
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet SGM802.PDF ] | |
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