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CS8147 데이터시트 PDF




Cherry Semiconductor Corporation에서 제조한 전자 부품 CS8147은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 CS8147 자료 제공

부품번호 CS8147 기능
기능 10V/5V Low Dropout Dual Regulator with ENABLE
제조업체 Cherry Semiconductor Corporation
로고 Cherry Semiconductor Corporation 로고


CS8147 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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CS8147 데이터시트, 핀배열, 회로
CS8147
10V/5V Low Dropout Dual Regulator
with ENABLE
Description
Features
The CS8147 is a 10V/5V dual out-
put linear regulator. The 10V ±.5%
output sources 500mA and the 5V
±3% output sources 70mA. The
secondary output is inherently sta-
ble and does not require an external
capacitor.
The on board ENABLE function
controls the regulatorÕs two out-
puts. When ENABLE is high, the
regulator is placed in SLEEP mode.
Both outputs are disabled and the
regulator draws only 70µA of qui-
escent current.
The regulator is protected against
overvoltage conditions. Both out-
puts are protected against short
circuit and thermal runaway
conditions.
The CS8147 is packaged in a 5 lead
TO-220 with copper tab. The cop-
per tab can be connected to a heat
sink if necessary.
Absolute Maximum Ratings
Input Voltage (VIN)
DC .............................................................................................-18V to 26V
Positive Peak Transient Voltage
(46V Load Dump @ VIN = 14V) .......................................................60V
Negative Peak Transient Voltage ......................................................-50V
ESD (Human Body Model) ...........................................................................2kV
ENABLE Input ...................................................................................-0.3 to 10V
Internal Power Dissipation ..................................................Internally Limited
Junction Temperature Range...................................................-40¡C to +150¡C
Storage Temperature Range ....................................................-65¡C to +150¡C
Lead Temperature Soldering
Wave Solder (through hole styles only)..........10 sec. max, 260¡C peak
Block Diagram
VIN
ENABLE
Primary Output
Over Voltage
Shutdown
Pre-Regulator
+
-
Anti-saturation
and
Current Limit
VOUT1
s Two Regulated Outputs
10V ± 5%; 500 mA
5V ± 3%; 70 mA
s 70µA SLEEP Mode Current
s Inherently Stable
Secondary Output
(No Output Capacitor
Required)
s Fault Protection
Overvoltage Shutdown
Reverse Battery
60V Peak Transient
-50V Reverse Transient
Short Circuit
Thermal Shutdown
s CMOS Compatible
ENABLE Input with Low
(IOUT(max)) Input Current.
Package Options
5 Lead TO-220
Tab (Gnd)
Gnd
Bandgap
Reference
Thermal
Shutdown
Secondary Output
Current Limit
VOUT2
1 ENABLE
1 2 VIN
3 Gnd
4 VOUT1 (10V)
5 VOUT2 (5V)
Rev. 4/5/99
Cherry Semiconductor Corporation
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885-3600 Fax: (401)885-5786
Web Site: www.cherry-semi.com
1 A ¨ Company




CS8147 pdf, 반도체, 판매, 대치품
Typical Performance Characteristics
Load Regulation vs. Output Current (VOUT1)
Load Regulation vs. Output Current (VOUT2)
30
26
22
VIN = 14V
18 25°C
14
-40°C
10
6
2
125°C
-2
-6
-10
0 50 100 150 200 250 300 350 400 450 500 550 600
Output Current (mA), VOUT1 (10V)
10
9
8 VIN = 14V
7
6
5
125°C
25°C
4
-40°C
3
2
1
0
0 10 20 30 40 50 60 70 80 90 100
Output Current (mA), VOUT2 (5V)
ENABLE Input Current vs. Input Voltage
100.0
20.00
/div
0
-100.0
-1.000 0
VENABLE 1.000/div (V)
9.000
Quiescent Current (ICQ) vs. VIN over Temperature
350
300 V10 = 500mA Load
V5 = 70mA Load
250
-40ûC
25ûC
200
150
125ûC
100
50
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
VIN (V)
300
250
Quiescent Current (ICQ) vs. VIN over RLOAD
VOUT1 = 500mA Load
VOUT2 = 100mA Load
200
150
100
50
V10 = 500mA Load
V5 = No Load
VOUT1= No Load
VOUT2 = No Load
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
VIN (V)
4
VOUT1 vs. Temperature
10.025
10.020
10.015
10.010
VIN = 14V
IO = 30mA
10.005
10.000
9.995
9.990
9.985
9.980
9.975
-50 -30 -10 10 30 50 70 90 110 130 150
TEMP (°C)

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CS8147 전자부품, 판매, 대치품
Application Notes: continued
IIN
VIN
Smart
Regulator
}Control
Features
IQ
IOUT1
IOUT2
VOUT1
VOUT2
Figure 1: Dual output regulator with key performance parameters
labeled.
Heat Sinks
A heat sink effectively increases the surface area of the
package to improve the flow of heat away from the IC and
into the surrounding air.
Each material in the heat flow path between the IC and the
outside environment will have a thermal resistance. Like
series electrical resistances, these resistances are summed
to determine the value of RQJA:
RQJA = RQJC + RQCS + RQSA
where:
RQJC = the junctionÐtoÐcase thermal resistance,
(3)
RQCS = the caseÐtoÐheatsink thermal resistance, and
RQSA = the heatsinkÐtoÐambient thermal resistance.
RQJC appears in the package section of the data sheet. Like
RQJA, it too is a function of package type. RQCS and RQSA
are functions of the package type, heatsink and the inter-
face between them. These values appear in heat sink data
sheets of heat sink manufacturers.
7

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