CS8371 PDF даташит
Спецификация CS8371 изготовлена «ON Semiconductor» и имеет функцию, называемую «Dual Regulator». |
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Детали детали
Номер произв | CS8371 |
Описание | Dual Regulator |
Производители | ON Semiconductor |
логотип |
11 Pages
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CS8371
8.0 V/1.0 A, 5.0 V/250 mA
Dual Regulator
with Independent Output
Enables and NOCAPt
The CS8371 is an 8.0 V/5.0 V dual output linear regulator. The
8.0 V ±5.0% output sources 1.0 A, while the 5.0 V ±5.0% output
sources 250 mA. Each output is controlled by its own ENABLE lead.
Setting the ENABLE input high turns on the associated regulator
output. Holding both ENABLE inputs low puts the IC into sleep mode
where current consumption is less than 10 mA.
The regulator is protected against overvoltage, short−circuit and
thermal runaway conditions. The device can withstand 45 V load dump
transients making suitable for use in automotive environments. ON’s
proprietary NOCAP solution is the first technology which allows the
output to be stable without the use of an external capacitor.
The CS8371 is available in a 7 lead TO−220 package with copper
tab. The tab can be connected to a heatsink if necessary.
Features
• Two Regulated Outputs
− 8.0 V ±5.0%; 1.0 A
− 5.0 V ±5.0%; 250 mA
• Independent ENABLE for Each Output
• Seperate Sense Feedback Lead for 8.0 V Output
• < 10 mA Sleep Mode Current
• Fault Protection
− Overvoltage Shutdown
− +45 V Peak Transient Voltage
− Short Circuit
− Thermal Shutdown
• CMOS Compatible, Low Current ENABLE Inputs
• Pb−Free Packages are Available*
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1
7
1
TO−220
SEVEN LEAD
T SUFFIX
CASE 821E
TO−220
SEVEN LEAD
TVA SUFFIX
CASE 821J
PIN CONNECTIONS AND
MARKING DIAGRAM
CS
8371
AWLYWWG
CS
8371
AWLYWWG
Tab = GND
Pin 1. ENABLE1
2. ENABLE2
3. VOUT2
4. GND
5. Sense
6. VCC
7. VOUT1
A = Assembly Location
WL = Wafer Lot
Y = Year
WW = Work Week
G = Pb−Free Package
*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. 12
1
ORDERING INFORMATION
Device
CS8371ET7
CS8371ET7G
Package
TO−220
STRAIGHT
TO−220
STRAIGHT
(Pb−Free)
Shipping
50 Units/Rail
50 Units/Rail
CS8371ETVA7
CS8371ETVA7G
TO−220
VERTICAL
TO−220
VERTICAL
(Pb−Free)
50 Units/Rail
50 Units/Rail
Publication Order Number:
CS8371/D
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VCC
ENABLE1
ENABLE2
GND
CS8371
−
+
1.2 V
−
+
1.2 V
Pre−Regulator
Bias Generator
Trimmed Bandgap
Voltage Reference
Thermal
Shutdown
Overvoltage
Shutdown
+
−
−
+
Current Limit
NOCAP
Current Limit
VOUT1
Sense
VOUT2
Figure 1. Block Diagram
MAXIMUM RATINGS
Rating
Value
Unit
Power Dissipation
Internally Limited
−
ENABLE Input Voltage Range
−0.6 to +10
V
Load Current (8.0 V Regulator)
Internally Limited
−
Load Current (5.0 V Regulator)
Internally Limited
−
Transient Peak Voltage (31 V Load Dump @ 14 V VCC)
Storage Temperature Range
45
−65 to +150
V
°C
Junction Temperature Range
−40 to +150
°C
Lead Temperature Soldering: Wave Solder (through hole styles only) (Note 1)
260 peak
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. 10 second maximum.
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CS8371
ELECTRICAL CHARACTERISTICS: (−40°C ≤ TA ≤ +85°C, 10.5 V ≤ VCC ≤ 16 V, ENABLE1 = ENABLE2 = 5.0 V,
IOUT1 = IOUT2 = 5.0 mA, unless otherwise stated.)
Characteristic
Test Conditions
Min Typ Max
PRIMARY OUTPUT (VOUT1)
Output Voltage
Line Regulation
Load Regulation
Sleep Mode Quiescent Current
Quiescent Current
Dropout Voltage
Quiescent Bias Current
Ripple Rejection
Current Limit
Overshoot Voltage
Output Noise
IOUT1 = 1.0 A
10.5 V ≤ VCC ≤ 26 V
5.0 mA ≤ IOUT1 ≤ 1.0 A
VCC = 14 V, ENABLE1 = ENABLE2 = 0 V
VCC = 14 V, IOUT1 = 1.0 A, IOUT2 = 250 mA
IOUT1 = 250 mA
IOUT1 = 1.0 A
IOUT1 = 5.0 mA, ENABLE2 = 0 V, VCC = 14 V,
IQ = ICC − IOUT1
IOUT1 = 1.0 A, ENABLE2 = 0 V, VCC = 14 V,
IQ = ICC − IOUT1
f = 120 Hz, VCC = 14 V with 1.0 VPP AC, COUT = 0 mF
f = 10 kHz, VCC = 14 V with 1.0 VPP AC, COUT = 0 mF
f = 20 kHz, VCC = 14 V with 1.0 VPP AC, COUT = 0 mF
VCC = 16 V
5.0 mA ≤ IREG1 ≤ 1.0 A
10 Hz − 100 kHz
7.60 8.00 8.40
− − 50
− − 150
0 0.2 10.0
− − 30
− − 1.2
− 1.5
− − 10
− − 22
− 90 −
− 74 −
− 68 −
1.1 − 2.5
− − 6.0
− 300 −
SECONDARY OUTPUT (VOUT2)
Output Voltage
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Bias Current
Ripple Rejection
Current Limit
Overshoot Voltage
Output Noise
IOUT2 = 250 mA
7.0 V ≤ VCC ≤ 26 V
5.0 mA ≤ IOUT2 ≤ 250 mA
IOUT2 = 5.0 mA
IOUT2 = 250 mA
IOUT2 = 5.0 mA, ENABLE1 = 0 V, VCC = 14 V,
IQ = ICC − IOUT2
IOUT2 = 250 mA, ENABLE1 = 0 V, VCC = 14 V,
IQ = ICC − IOUT2
f = 120 Hz, VCC = 14 V with 1.0 VPP AC, COUT = 0 mF
f = 10 kHz, VCC = 14 V with 1.0 VPP AC, COUT = 0 mF
f = 20 kHz, VCC = 14 V with 1.0 VPP AC, COUT = 0 mF
VCC = 16 V
5.0 mA ≤ IREG2 ≤ 250 mA
10 Hz − 100 kHz
4.75 5.00 5.25
− − 40
− − 100
− − 2.2
− 2.5
− − 7.0
− − 8.0
− 90 −
− 75 −
− 67 −
270 − 600
− − 4.3
− 170 −
ENABLE FUNCTION (ENABLE)
Input Current
Input Voltage
VCC = 14 V, 0 V ≤ ENABLE ≤ 5.5 V
Low
High
−150
0
2.0
−
−
−
150
0.8
5.0
PROTECTION CIRCUITRY
ESD Threshold
Human Body Model
±2.0 ±4.0
−
Overvoltage Shutdown
− 24 − 30
Thermal Shutdown
Guaranteed by Design
150 180
−
Thermal Hysteresis
− − 30 −
Unit
V
mV
mV
mA
mA
V
V
mA
mA
dB
dB
dB
A
V
mVrms
V
mV
mV
V
V
mA
mA
dB
dB
dB
mA
V
mVrms
mA
V
V
kV
V
°C
°C
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