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부품번호 | S78DM18Q 기능 |
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기능 | Low Dropout Voltage Regulator | ||
제조업체 | AUK | ||
로고 | |||
S78DMxxx
Low Dropout Voltage Regulator (0.5A Series)
Semiconductor
http:// www.auk.co.kr
SOT-223
TO-252-3L
Description
The S78DMxxx 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 S78DMxxx 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
Application
◈ Consumer and personal electronics
◈ SMPS post-regulator / dc-to-dc modules
◈ High-efficiency linear power supplies
ORDERING INFORMATION
Features and Benefits
◈ Low Dropout Voltage for 0.5A Output : [ Max. 500mV].
Product
Marking
Package
S78DMxxQ S78DMxx
SOT-223
S78DMxxD S78DMxx TO-252-3L
S78DMxxPI S78DMxx TO-220F-3L
▲ Marking Detail Information
◈ 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↑
[ SOT-223 PKG Marking ]
S78DMxx (①)
Equivalent Circuit
GYWW(②)
① Device Code
② Grade & Year & Week Code
VIN
Bias
[ TO-220F-3L & TO-252-3L PKG Marking ]
AUK(①)
G△YWW (②)
VREF
¯
+
S78DMxx (③)
TSD, OVP, CLP
① AUK Logo
② Grade & M Code & Year & Week Code
③ Device Code
VOUT
GND
KSD-I0T008-002
1
March, 2013 REV. 02
S78DMxxx
◈ Electrical characteristics
( VIN=VOUT+1.0V, CIN = 0.33uF, COUT = 47 uF, IOUT = 5mA, TJ=25℃ ; unless noted )
NO Characteristics
Symbol
1 S78DM15
Condition
Specification
MIN. TYP. MAX.
1.47 1.50 1.53
Unit
S78DM18
1.764 1.80 1.836
S78DM25
2.450 2.50 2.550
Output Voltage S78DM33
S78DM50
VOUT Variation from nominal VOUT 3.234 3.30 3.366
4.90 5.0 5.10
V
S78DM90
8.82 9.0 9.18
S78DM120
2 Line Regulation
3 Load Regulation
4 Quiescent Current
5 Ripple Rejection
VLINE
VLOAD
IQC
R·R
VIN=VOUT+1V to 7V,
IOUT=5mA
VIN=VOUT+1V,
IOUT=5mA to 0.5A
VIN=VOUT+1V to 20V,
IOUT=0mA
IOUT=50mA, f=120Hz
11.76 12.0 12.24
- 0.05 0.5
%
- 0.1 1.0 %
- 2.0 5.0 mA
55.0 65.0 - dB
6 Output Noise Voltage
7 Dropout Voltage
8 Current Limit
VNO
VDROP
ILIMIT
VIN=VOUT+1V, IOUT=50mA,
10Hz ≤ f ≤ 100kHz
IOUT=0.5A (S78DM15)
IOUT=0.5A (Except S78DM15)
VIN=VOUT+1V
-
-
-
1100
100
-
-
1300
- uVrms
0.7
0.5 V
- mA
Typical Application
VIN CIN
S78DMxx
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 )
KSD-I0T008-002
March, 2013 REV. 02
4
4페이지 S78DMxxx
Fig.8 Line Transient Response
Fig.9 Line Transient Response
4.5
3.5
20
0
-20
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
20
0
-20
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
0.5
0
0
Cin=1.0uF, Cout=47uF, Vin=Vout+1V
Preload=200mA, TA=25℃
40 80 120 160 200
Time [µS]
0.5
0
0
Cin=1.0uF, Cout=47uF, Vin=Vout+3V
Preload=200mA, TA=25℃
40 80 120 160 200
Time [µS]
March, 2013 REV. 02
KSD-I0T008-002
7
7페이지 | |||
구 성 | 총 11 페이지수 | ||
다운로드 | [ S78DM18Q.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 |
S78DM18D | Low Dropout Voltage Regulator | AUK |
S78DM18PI | Low Dropout Voltage Regulator | AUK |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |