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PDF CS8122 Data sheet ( Hoja de datos )
| Número de pieza | CS8122 | |
| Descripción | Low Dropout Linear Regulator | |
| Fabricantes | ON Semiconductor | |
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CS8122
2.0% 5.0 V, 750 mA Low
Dropout Linear Regulator
with Delayed RESET
The CS8122 is a precision 5.0 V linear regulator capable of sourcing
in excess of 750 mA. The RESET’s delay time is externally
programmed using a discrete RC network. During power up, or when
the output goes out of regulation, the RESET lead remains in the low
state for the duration of the delay. This function is independent of the
input voltage and will function correctly as long as the output voltage
remains at or above 1.0 V. Hysteresis is included in the Delay and the
RESET comparators to improve noise immunity. A latching discharge
circuit is used to discharge the delay capacitor when it is triggered by a
brief fault condition.
The regulator is protected against a variety of fault conditions: i.e.
reverse battery, overvoltage, short circuit and thermal runaway
conditions. The regulator is protected against voltage transients ranging
from −50 V to +40 V. Short circuit current is limited to 1.2 A (typ).
The CS8122 is an improved replacement for the CS8126 and
features a tighter tolerance on its output voltage (2.0% vs. 4.0%).
The CS8122 is packaged in a 5 lead TO−220 with copper tab. The
copper tab can be connected to a heat sink if necessary.
Features
• 5.0 V ±2.0% Regulated Output
• Low Dropout Voltage (0.6 V @ 0.5 A)
• 750 mA Output Current Capability
• Externally Programmed RESET Delay
• Fault Protection
− Reverse Battery
− 60 V Load Dump
− −50 V Reverse Transient
− Short Circuit
− Thermal Shutdown
• Pb−Free Packages are Available*
http://onsemi.com
1
5
1
TO−220
FIVE LEAD
T SUFFIX
CASE 314D
TO−220
FIVE LEAD
TVA SUFFIX
CASE 314K
1
5
TO−220
FIVE LEAD
THA SUFFIX
CASE 314A
PIN CONNECTIONS
TO−220 5−LEAD
Pin 1. VIN
2.VOUT
3. GND
4. Delay
5. RESET
1
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 2 of this data sheet.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2006
June, 2006 − Rev. 7
1
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
Publication Order Number:
CS8122/D
1 page  
CS8122
TYPICAL PERFORMANCE CHARACTERISTICS
100
80
60 VIN = 6−26 V
40 TEMP = 25°C
20
TEMP = −40°C
0
−20
−40
TEMP = 125°C
−60
−80
−100
0
100 200 300 400 500 600 700 800
Output Current (mA)
Figure 6. Line Regulation vs. Output Current
6
4
TEMP = −40°C
2
0
−2 TEMP = 25°C
−4
−6
−8
−10
TEMP = 125°C
−12
VIN = 14 V
−14
0 100 200 300 400 500 600 700 800
Output Current (mA)
Figure 7. Load Regulation vs. Output Current
900
800
700
25°C
600
500
400 125°C
300
200 −40°C
100
0
0 100 200 300 400 500 600 700 800
Output Current (mA)
Figure 8. Dropout Voltage vs. Output Current
90 IOUT = 250 mA
80
COUT = 10 mF, ESR = 1.0 & 0.1 mF,
ESR = 0
70
60
50
40
30 COUT = 10 mF, ESR = 1.0 W
20
10 COUT = 10 mF, ESR = 1.0 W
0100 101 102 103 104 105 106 107 108
Frequency (Hz)
Figure 10. Ripple Rejection
100
90
VIN = 14 V
80
70
125°C
25°C
60
50
40
30
20 −40°C
10
0
0 100 200 300 400 500 600 700 800
Output Current (mA)
Figure 9. Quiescent Current vs. Output Current
103
102
101
100
10−1
10−2
10−3
10−4100
Stable Region
CO = 47/68 mF
CO = 47 mF
CO = 68 mF
101 102
Output Current (mA)
Figure 11. Output Capacitor ESR
103
http://onsemi.com
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet CS8122.PDF ] | |
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