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PDF NCV308 Data sheet ( Hoja de datos )
| Número de pieza | NCV308 | |
| Descripción | Supervisory Circuit | |
| Fabricantes | ON Semiconductor | |
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NCP308, NCV308
Low Quiescent Current,
Programmable Delay Time,
Supervisory Circuit
The NCP308 series is one of the ON Semiconductor Supervisory
circuit IC families. It is optimized to monitor system voltages from
0.405 V to 5.5 V, asserting an active low open−drain RESET output,
together with Manual Reset (MR) Input. The part comes with both
fixed and externally adjustable versions.
Features
• Wide Supply Voltage Range 1.6 to 5.5 V
• Very Low Quiescent Current 1.6 mA
• Fixed Threshold Voltage Versions for Standard Voltage Rails
Including 0.9 V, 1.2 V, 1.25 V, 1.5 V, 1.8 V, 1.9 V, 2.5 V, 2.8 V, 3.0 V,
3.3 V, 5.0 V
• Adjustable Version with Low Threshold Voltage 0.405 V (min)
• High Threshold Voltage Accuracy: 0.31% typ
• Support Manual Reset Input ( MR)
• Open−Drain RESET Output (Push−pull Output upon Request)
• Flexible Delay Time Programmability: 1.25 ms to 10 s
• Temperature Range: −40°C to +125°C
• Small TSOP−6 and WDFN6 2 x 2 mm, Pb−Free packages
• NCV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable
• These are Pb−Free Devices
Typical Applications
• DSP or Microcontroller Applications
• Notebook/Desktop Computers
• PDAs/Hand−Held Products
• Portable/Battery−Powered Products
• FPGA/ASIC Applications
www.onsemi.com
MARKING
DIAGRAMS
TSOP−6
XXXAYWG
CASE 318G
G
1
1
WDFN6
CASE 511BR
1
XX M
XXX, XX= Specific Device Code
A =Assembly Location
Y = Year
W = Work Week
M = Date Code
G = Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the ordering
information section on page 9 of this data sheet.
VIN VDD
VIN VDD
NCP308XXADJ
VDD RESET
R1
1 nF
SENSE
CT
(Optional)
R2 MR
MR
GND
Rpullup
RESET
DSP/
Processor
CT
(Optional)
VDD RESET
SENSE
CT
MR
MR
GND
Rpullup
RESET
DSP/
Processor
CT
(Optional)
Figure 1. Typical Application Circuit for Adjustable
Versions
Figure 2. Typical Application Circuit for Fixed
Versions
© Semiconductor Components Industries, LLC, 2014
December, 2014 − Rev. 6
1
Publication Order Number:
NCP308/D
1 page  
NCP308, NCV308
Table 4. ELECTRICAL CHARACTERISTICS 1.6 V ≤ VDD ≤ 5.5 V, Rpullup = 100 kW, CLRESET = 50 pF, over operating
temperature range (TJ = −40°C to +125°C), unless otherwise specified. Typical values are at TJ = +25°C.
Symbol
Parameter
Conditions
Min Typ Max
VDD
VDD(min)
Supply Voltage Range
Minimum VDD Guaranteed RESET
Output Valid (Note 4)
−40°C < TJ < +125°C
1.6 5.5
0.5 0.8
IDD Supply Current (Current into VDD
pin)
VDD = 3.3V, RESET not asserted
MR, RESET, CT open
1.6 5.0
VDD = 5.5V, RESET not asserted
MR, RESET, CT open
1.6 6.0
VOL Low−level output voltage of RESET
VIT%
Negative going SENSE threshold
voltage accuracy
VHYS
RMR
ISENSE
IOH
Hysteresis on
VIT
1.6V≤VDD≤4.2V
4.2V≤VDD≤5.5V
MR Internal pull−up resistance
Input current at
SENSE pin
NCP308XXADJ
Fixed versions
RESET leakage Current
1.3V ≤ VDD < 1.6V, IOL = 0.4 mA
1.6V ≤ VDD ≤ 5.5V, IOL = 1.0 mA
TJ = +25°C
−20°C < TJ < +85°C
VSENSE = VIT
VSENSE = 5.5 V
VRESET = 5.5 V, RESET not
asserted
−1.75
−0.31
−1.0
±0.75
−
±0.5
1.0
1.75
90
10
110
0.3
0.4
+1.75
0.31
+1.0
3.0
3.75
300
CIN Input
CT pin
capacitance, any
pin Other pins
VIL MR logic low input
VIH MR logic high input
tw Input pulse width SENSE
to assert RESET
MR
tD Reset delay time CT = Open
CT = VDD
CT = 100 pF
CT = 180 nF
VIN = 0 V to VDD
VIN = 0 V to 5.5 V
VIH = 1.05 VIT, VIL = 0.95 VIT
VIH = 0.7 VDD, VIL = 0.3 VDD
(Guaranteed by design and
characterization)
0
0.7 VDD
5
5
20
150
20
300
1.25
1200
0.3 VDD
VDD
tP1 Propagation
MR to RESET
delay from MR
VIH = 0.7 VDD, VIL = 0.3 VDD
150
tP2 Propagation
delay from
SENSE
SENSE to
RESET
VIH = 1.05 VIT, VIL = 0.95 VIT
20
4. The lowest supply voltage (VDD) at which RESET becomes active.
5. NCP308XX: XX = MT (WDFN6 package) or SN (TSOP−6 package).
Unit
V
V
mA
V
%
%VIT
kW
nA
nA
pF
V
V
ms
ms
ns
ms
www.onsemi.com
5
5 Page 
NCP308, NCV308
PACKAGE DIMENSIONS
DA
B
PIN ONE
REFERENCE
ÍÍÍÍÍÍÍÍÍ0.10 C
0.10 C
TOP VIEW
E
0.05 C DETAIL B
A3
A
WDFN6 2x2, 0.65P
CASE 511BR
ISSUE O
EXPOSED Cu
MOLD CMPD
ÇÉÉÇÉÉÇÉÉDETAIL B
ALTERNATE
CONSTRUCTIONS
LL
L1
DETAIL A
ALTERNATE
CONSTRUCTIONS
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ASME Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. DIMENSION b APPLIES TO PLATED
TERMINAL AND IS MEASURED BETWEEN
0.15 AND 0.25 mm FROM THE TERMINAL TIP.
4. COPLANARITY APPLIES TO THE EXPOSED
PAD AS WELL AS THE TERMINALS.
MILLIMETERS
DIM MIN MAX
A 0.70 0.80
A1 0.00 0.05
A3 0.20 REF
b 0.25 0.35
D 2.00 BSC
D2 1.50 1.70
E 2.00 BSC
E2 0.90 1.10
e 0.65 BSC
L 0.20 0.40
L1 --- 0.15
6X 0.05 C
NOTE 4
A1
SIDE VIEW
C
SEATING
PLANE
DETAIL A
D2
13
L
RECOMMENDED
MOUNTING FOOTPRINT*
1.72
6X
0.45
E2 1.12 2.30
6
e
4
BOTTOM VIEW
6X b
0.10 M
0.05 M
CA B
C NOTE 3
PACKAGE
OUTLINE
6X 0.40
1
0.65
PITCH
DIMENSIONS: MILLIMETERS
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
ON Semiconductor and
are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number of patents, trademarks,
copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. SCILLC
reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any
particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without
limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications
and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC
does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for
surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where
personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and
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any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture
of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
PUBLICATION ORDERING INFORMATION
LITERATURE FULFILLMENT:
Literature Distribution Center for ON Semiconductor
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Order Literature: http://www.onsemi.com/orderlit
For additional information, please contact your local
Sales Representative
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11
NCP308/D
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet NCV308.PDF ] | |
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