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부품번호 | S78D18PI 기능 |
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기능 | Low Dropout Voltage Regulator | ||
제조업체 | AUK | ||
로고 | |||
Semiconductor
http:// www.auk.co.kr
SOT-223
TO-252-3L
S78Dxxx
Low Dropout Voltage Regulator (1.0A Series)
Description
The S78Dxxx is an efficient linear low dropout voltage regulator for
various electronic equipment. It is designed to provide very low dropout
voltage, and better than 2.4% output voltage accuracy.
And the S78Dxxx has various key features such as current limiting,
over temperature shut-down, over voltage protection, and low noise
performance with an low noise option.
Furthermore, it is available in adjustable or fixed output voltages in
SOT-223, TO-252-3L and TO-220F-3L packages.
TO-220F-3L
ORDERING INFORMATION
Product
Marking
Package
S78DxxQ
S78Dxx
SOT-223
S78DxxD
S78Dxx
TO-252-3L
S78DxxPI
S78Dxx TO-220F-3L
▲ Marking Detail Information
[ SOT-223 & TO-252-3L PKG Marking ]
S78Dxxx (①)
GYWW(②)
① Device Code
② Grade & Year & Week Code
[ TO-220F-3L PKG Marking ]
AUK(①)
G△YMD (②)
S78Dxxx (③)
① AUK Logo
② Grade & M Code & Y/M/D Code
③ Device Code
Application
◈ Consumer and personal electronics
◈ SMPS post-regulator / dc-to-dc modules
◈ High-efficiency linear power supplies
Features and Benefits
◈ Low Dropout Voltage for 1.0A Output : [ Max. 500mV].
◈ Built in Thermal shut down circuit.
◈ Built in OVP, CLP circuit.
◈ Low Quiescent Current : [Typ. 2.0mA]
◈ Ultra High level of ESD [ Built in ESD Protection Cell ]
MM : 400V↑ / HBM 3KV↑
Equivalent Circuit
VIN
Bias
VREF
¯
+
TSD, OVP, CLP
DEC., 2012 REV. 04
KSD-I0T007-004
VOUT
GND
1
S78Dxxx
◈ Electrical characteristics
( VIN=VOUT+1.0V, CIN = 0.33uF, COUT = 47 uF, IOUT = 5mA, TJ=25℃ ; unless noted )
NO Characteristics Symbol
Condition
S78D15
S78D18
S78D25
1 Output Voltage S78D33
S78D50
S78D90
S78D120
2 Line Regulation
3 Load Regulation
4 Quiescent Current
5 Ripple Rejection
VOUT Variation from nominal VOUT
VLINE
VLOAD
IQC
R·R
VIN=VOUT+1V to 7V,
IOUT=5mA
VIN=VOUT+1V,
IOUT=5mA to 1A
VIN=VOUT+1V to 20V,
IOUT=0mA
IOUT=50mA, f=120Hz
Specification
MIN.
1.47
TYP. MAX.
1.50 1.53
1.764 1.80 1.836
2.450 2.50 2.550
3.234 3.30 3.366
4.90 5.0 5.10
8.82 9.0 9.18
11.76 12.0 12.24
Unit
V
- 0.05 0.5 %
- 0.1 1.0 %
- 2.0 5.0 mA
55.0 65.0 - dB
6 Output Noise Voltage
VNO
VIN=VOUT+1V, IOUT=50mA,
10Hz ≤ f ≤ 100kHz
- 100 - uVrms
7 Dropout Voltage
8 Current Limit
VDROP IOUT=1.0A
ILIMIT
VIN=VOUT+1V
- - 0.5 V
1100 1300 - mA
Typical Application
VIN CIN
S78Dxxx
CO RL
+
VOUT
–
1) CIN should be required if regulators are located far from power supply filter
2) CO improves output stability and transient response ( CO ≥ 47uF )
DEC., 2012 REV. 04
KSD-I0T007-004
4
4페이지 S78Dxxx
Fig.8 Line Transient Response
Fig.9 Line Transient Response
4.5
3.5
100
0
-100
0
0.4
Cin=1.0uF, Cout=47uF
Iout=10mA, TA=25℃
0.8 1.2 1.6 2.0
Time [mS]
5.5
3.5
100
0
-100
0
Cin=1.0uF, Cout=47uF
Iout=10mA, TA=25℃
0.4 0.8 1.2 1.6 2.0
Time [mS]
Fig.10 Load Transient Response
Fig.11 Load Transient Response
0.1
0
-0.1
0.1
0
-0.1
1.0
0
0
Cin=1.0uF, Cout=47uF, Vin=Vout+1V
Preload=200mA, TA=25℃
40 80 120 160 200
Time [µS]
1.0
0
0
Cin=1.0uF, Cout=47uF, Vin=Vout+3V
Preload=200mA, TA=25℃
40 80 120 160 200
Time [µS]
DEC., 2012 REV. 04
KSD-I0T007-004
7
7페이지 | |||
구 성 | 총 11 페이지수 | ||
다운로드 | [ S78D18PI.PDF 데이터시트 ] |
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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 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
S78D18PI | Low Dropout Voltage Regulator | AUK |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |