Datasheet.kr   

CS8156YTVA5 데이터시트 PDF




Cherry Semiconductor Corporation에서 제조한 전자 부품 CS8156YTVA5은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 CS8156YTVA5 자료 제공

부품번호 CS8156YTVA5 기능
기능 12V/ 5V Low Dropout Dual Regulator with ENABLE
제조업체 Cherry Semiconductor Corporation
로고 Cherry Semiconductor Corporation 로고


CS8156YTVA5 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




전체 8 페이지수

미리보기를 사용할 수 없습니다

CS8156YTVA5 데이터시트, 핀배열, 회로
CS8156
12V, 5V Low Dropout Dual Regulator
with ENABLE
Description
Features
The CS8156 is a low dropout 12V/5V
dual output linear regulator. The 12V
± 5% output sources 750mA and the 5V
±2.0% output sources 100mA.
The on board ENABLE function con-
trols the regulatorÕs two outputs. When
the ENABLE lead is low, the regulator
is placed in SLEEP mode. Both outputs
are disabled and the regulator draws
only 200nA of quiescent current.
The regulator is protected against over-
voltage conditions. Both outputs are
protected against short circuit and ther-
mal runaway conditions.
The CS8156 is packaged in a 5 lead
TOÐ220 with copper tab. The copper
tab can be connected to a heat sink if
necessary.
s Two regulated outputs
12V ±5.0%; 750mA
5V ±2.0%; 100mA
s Very low SLEEP mode
current drain 200nA
s Fault Protection
Reverse Battery
Absolute Maximum Ratings
+60V, -50V Peak
Transient Voltage
Input Voltage
Operating Range .....................................................................-0.5V to 26V
Peak Transient Voltage (Load Dump = 46V) ....................................60V
Internal Power Dissipation ..................................................Internally Limited
Operating Temperature Range................................................-40¡C to +125¡C
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
Short Circuit
Thermal Shutdown
s CMOS Compatible
ENABLE
Package Options
VIN
ENABLE
Block Diagram
+
Pre-Regulator
-
+
-
Anti-Saturation
and
Current Limit
VOUT2, 5V
5 Lead TO-220
Tab (Gnd)
VOUT1, 12V
Gnd
Over Voltage
Shutdown
Bandgap
Reference
+
Anti-Saturation
and
Current Limit
-
Thermal
Shutdown
1 VIN
2 VOUT1
3 Gnd
1 4 ENABLE
5 VOUT2
Rev. 2/19/98
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




CS8156YTVA5 pdf, 반도체, 판매, 대치품
Typical Performance Characteristics: continued
Line Transient Response (VOUT1)
Line Transient Response (VOUT2)
20
IOUT1 = 500mA
10
0
-10
-20
3
2
1
0
0 10 20 30 40 50 60
TIME (ms)
10
5 IOUT2 = 100mA
0
-5
-10
3
2
1
0
0 10 20 30 40 50 60
TIME (ms)
Load Transient Response (VOUT1)
150
100
50
0
-50
-100
-150
0.8
0.6
0.4
0.2
0
0 10 20 30 40 50 60
TIME (ms)
Load Transient Response (VOUT2)
150
100
50
0
-50
-100
-150
20
15
10
5
0
0 10 20 30 40 50 60
TIME (ms)
Maximum Power Dissipation (TO-220)
20
18
16
14
12
10
8
6
4
2
0
0
INFINITE
HEAT SINK
10°C/W HEAT SINK
NO HEAT SINK
10 20 30 40 50 60 70 80 90
AMBIENT TEMPERATURE (°C)
4
Quiescent Current vs Output Current for VOUT2
150
140
130
120
110
100
90
80
70
60
50
40
30
20
10
0
0
No Load on 5V
100 200
VIN = 14V
300 400 500
125ûC
25ûC
-40ûC
600 700 800
Output Current (mA)

4페이지










CS8156YTVA5 전자부품, 판매, 대치품
Application Notes
Step 3: Increase the ESR of the capacitor from zero using
the decade box and vary the load current until oscillations
appear. Record the values of load current and ESR that
cause the greatest oscillation. This represents the worst
case load conditions for the output at low temperature.
Step 4: Maintain the worst case load conditions set in step
3 and vary the input voltage until the oscillations increase.
This point represents the worst case input voltage conditions.
Step 5: If the capacitor is adequate, repeat steps 3 and 4
with the next smaller valued capacitor. A smaller capaci-
tor will usually cost less and occupy less board space. If
the output oscillates within the range of expected operat-
ing conditions, repeat steps 3 and 4 with the next larger
standard capacitor value.
Step 6: Test the load transient response by switching in
various loads at several frequencies to simulate its real
working environment. Vary the ESR to reduce ringing.
Step 7: Remove the unit from the environmental chamber
and heat the IC with a heat gun. Vary the load current as
instructed in step 5 to test for any oscillations.
Once the minimum capacitor value with the maximum
ESR is found for each output, a safety factor should be
added to allow for the tolerance of the capacitor and any
variations in regulator performance. Most good quality
aluminum electrolytic capacitors have a tolerance of +/-
20% so the minimum value found should be increased by
at least 50% to allow for this tolerance plus the variation
which will occur at low temperatures. The ESR of the
capacitors should be less than 50% of the maximum allow-
able ESR found in step 3 above.
Repeat steps 1 through 7 with C3, the capacitor on the
other output.
Calculating Power Dissipation
in a Dual Output Linear Regulator
The maximum power dissipation for a dual output regula-
tor (Figure 1) is:
PD(max) = {VIN(max)ÐVOUT1(min)}IOUT1(max)+
{VIN(max)ÐVOUT2(min)}IOUT2(max)+VIN(max)IQ
(1)
Where:
VIN(max) is the maximum input voltage,
VOUT1(min) is the minimum output voltage from VOUT1,
VOUT2(min) is the minimum output voltage fromVOUT2,
IOUT1(max) is the maximum output current for the appli-
cation,
IOUT2(max) is the maximum output current for the appli-
cation, and
IQ is the quiescent current the regulator consumes at
IOUT(max).
IIN
VIN
Smart
Regulator
}Control
Features
IQ
IOUT1
IOUT2
VOUT1
VOUT2
Figure 1: Dual output regulator with key performance parameters
labeled.
The value of RQJA can then be compared with those in
the package section of the data sheet. Those packages
with RQJA's less than the calculated value in equation 2
will keep the die temperature below 150¡C.
In some cases, none of the packages will be sufficient to
dissipate the heat generated by the IC, and an external
heatsink will be required.
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
(3)
where
RQJC = the junctionÐtoÐcase thermal resistance,
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.
Test & Application Circuit
C1*
0.1mF
VIN VOUT1
CS8156
ENABLE
+ C2**
22mF
Once the value of PD(max) is known, the maximum permis-
sible value of RQJA can be calculated:
RQJA =
150¡C - TA
PD
(2)
Gnd
NOTES:
* C1 required if regulator is located far
from power supply filter.
** C2, C3 required for stability.
7
VOUT2
+ C3**
22mF

7페이지


구       성 총 8 페이지수
다운로드[ CS8156YTVA5.PDF 데이터시트 ]

당사 플랫폼은 키워드, 제품 이름 또는 부품 번호를 사용하여 검색할 수 있는

포괄적인 데이터시트를 제공합니다.


구매 문의
일반 IC 문의 : 샘플 및 소량 구매
-----------------------------------------------------------------------

IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한
광범위한 전력 반도체를 판매합니다.

전력 반도체 전문업체

상호 : 아이지 인터내셔날

사이트 방문 :     [ 홈페이지 ]     [ 블로그 1 ]     [ 블로그 2 ]



관련 데이터시트

부품번호상세설명 및 기능제조사
CS8156YTVA5

12V/ 5V Low Dropout Dual Regulator with ENABLE

Cherry Semiconductor Corporation
Cherry Semiconductor Corporation

DataSheet.kr       |      2020   |     연락처      |     링크모음      |      검색     |      사이트맵