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PDF PT7M1818 Data sheet ( Hoja de datos )
| Número de pieza | PT7M1818 | |
| Descripción | Supervisory Circuit | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PT7M1818 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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PT7M1818/1813
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Supervisory Circuit
Features
Highly accurate: 1.5% (25°C)
Accurate power monitoring: 2.5V, 2.9V, 3.0V
(PT7M1818), and 4.1, 4.3, 4.6V (PT7M1813)
Operating voltage range: 1.0V ~ 5.5V
Operating temperature range: -40°C to + 85°C
Detect voltage temperature characteristics: 2.5%
TYP
Efficient open-drain output with internal 5k pull-up
resistor
Maintains reset for 200ms after VCC returns to an in-
tolerance condition
Description
The series are designed to monitor power supplies in µP
and digital systems. It provides excellent circuit
reliability and low cost by eliminating external
components and adjustments.
This device performs a single function: it asserts a reset
signal whenever the VCC supply voltage falls below a
preset threshold. Reset remains asserted for 200ms after
VCC has risen above the reset threshold.
PT7M1818/1813 are bidirectional output, allowing it to
be directly connected to µP with bidirectional reset
inputs.
Pin Configuration
PT7M1818/1813
1 RST
GND 3
2 VCC
SOT23-3
Pin Description
Name
Type
RST
GND
VCC
I/O
P
P
Description
Reset Output and Pushbutton Input: RST is asserted when VCC drops below voltage threshold
VTH-. Active low. When other devices pull RST low, the reset condition occurs and will remain a
reset timeout period after the external signal is off.
Ground
Supply Voltage.
2014-08-0010
PT0190-7
09/11/14
1
1 page  
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Mechanical Information
SOT23-3
PT7M1818/1813
Supervisory Circuit
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DOCUMENT CONTROL NO.
PD-0018
REVISION: A
DATE: 5/17/2011
Note:
1) Controlling dimensions in millimeters.
PKG. DIMENSIONS(MM)
SYMBOL MIN
MAX
A 1.05 1.25
A1 0.00 0.10
A2 1.05 1.15
b 0.30 0.50
c 0.10 0.20
D 2.82 3.02
E 1.50 1.70
E1 2.65 2.95
e 0.95BSC
e1 1.80 2.00
L 0.30 0.60
θ 0° 8°
Pericom Technology (Shanghai) Co.Ltd.
3/F., 20 Building ,481 Gui Ping Road,
Shanghai,200233
Tel:(86-21)6485-0576. Fax: (86-21)6485-2181
DESCRIPTION: 3-Pin Small Outline Transistor, Plastic
Package, SOT-23
PACKAGE CODE: TA3
Ordering Information
Part Number
PT7M1818-20TE
PT7M1818-10TE
PT7M1818-5TE
PT7M1813-15TE
PT7M1813-10TE
PT7M1813-5TE
Note:
E = Pb-free or Pb-free and Green
Adding X Suffix= Tape/Reel
Contact Pericom for availability.
Package Code
T
T
T
T
T
T
2014-08-0010
5
Package
Lead free and Green SOT23-3
Lead free and Green SOT23-3
Lead free and Green SOT23-3
Lead free and Green SOT23-3
Lead free and Green SOT23-3
Lead free and Green SOT23-3
PT0190-7
09/11/14
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet PT7M1818.PDF ] | |
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