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부품번호 | LD29150 기능 |
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기능 | 1.5A / VERY LOW DROP VOLTAGE REGULATORS | ||
제조업체 | ST Microelectronics | ||
로고 | |||
전체 17 페이지수
LD29150
SERIES
1.5A, VERY LOW DROP VOLTAGE REGULATORS
s VERY LOW DROPOUT VOLTAGE (TYP. 0.4
AT 1.5A)
s GUARANTEED OUTPUT CURRENT UP TO
1.5A
s FIXED AND ADJUSTABLE OUTPUT
VOLTAGE (±1% AT 25°C)
s INTERNAL CURRENT AND THERMAL LIMIT
s LOGIC CONTROLLED ELECTRONIC
SHUTDOWN AVAILABLE IN PPAK
DESCRIPTION
The LD29150 is a high current, high accuracy,
low-dropout voltage regulator series. These
regulators feature 400mV dropout voltage and
very low ground current. Designed for high current
loads, these devices are also used in lower
current, extremely low dropout-critical systems,
where their tiny dropout voltage and ground
current values are important attributes. Typical
applications are in Power supply switching post
regulation, Series power supply for monitors,
Series power supply for VCRs and TVs, Computer
Systems and Battery powered systems.
Figure 1: Schematic Diagram For Adjustable Version
TO-220
PPAK
TO-220FP
DPAK
November 2004
Rev. 7
1/17
LD29150 SERIES
Table 4: Electrical Characteristics Of LD29150#15
(IO = 10mA, TJ = 25°C, VI = 3.5V, VINH = 2V (Note 2), CI = 330nF, CO = 10µF, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VI Minimum Operating Input IO = 10mA to 1.5A
Voltage
TJ = -40 to 125°C
VO Output Voltage
IO = 10mA to 1.5A, VI = 3 to 7V
TJ = -40 to 125°C
∆VO Load Regulation
IO = 10mA to 1.5A
∆VO Line Regulation
VI = 3 to 13V
SVR Supply Voltage Rejection
f = 120 Hz, VI = 3.5 ± 1V, IO = 0.75A
(Note 1)
Iq Quiescent Current
IO = 0.75A, TJ = -40 to 125°C
IO = 1.5A, TJ = -40 to 125°C
VI = 13V, VINH = GND TJ = -40 to 125°C
Isc Short Circuit Current
VI - VO = 5.5V
VIL Control Input Logic Low
OFF MODE, (NOTE 2) TJ = -40 to 125°C
VIH Control Input Logic High ON MODE, (NOTE 2) TJ = -40 to 125°C
IINH Control Input Current
TJ = -40 to 125°C
VINH = 13V
eN Output Noise Voltage
BP = 10Hz to 100KHz
IO = 100mA
NOTE 1: Guaranteed by design.
NOTE 2: Only for version with Inhibit function.
2.5
1.485
1.47
65
2
1.5
0.2
0.06
75
15
30
130
2.2
5
60
V
1.515
1.53
1.0
0.5
V
%
%
dB
40 mA
80
180 µA
A
0.8 V
V
10 µA
µVRMS
Table 5: Electrical Characteristics Of LD29150#18
(IO = 10mA, TJ = 25°C, VI = 3.8V, VINH = 2V (Note 3), CI = 330nF, CO = 10µF, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VO Output Voltage
IO = 10mA to 1.5A, VI = 3 to 7.3V
TJ = -40 to 125°C
1.782 1.8 1.818
1.764
1.836
V
∆VO Load Regulation
IO = 10mA to 1.5A
0.2 1.0
%
∆VO Line Regulation
VI = 3 to 13V
0.06 0.5
%
SVR Supply Voltage Rejection
f = 120 Hz, VI = 3.8 ± 1V, IO = 0.75A
(Note 1)
62 72
dB
VDROP Dropout Voltage
IO = 250mA,TJ = -40 to 125°C (Note 2)
0.1 V
IO = 0.75A, TJ = -40 to 125°C (Note 2)
0.2
IO = 1.5A, TJ = -40 to 125°C (Note 2)
0.4 0.7
Iq Quiescent Current
IO = 0.75A, TJ = -40 to 125°C
15 40 mA
IO = 1.5A, TJ = -40 to 125°C
30 80
VI = 13V, VINH = GND TJ = -40 to 125°C
130 180 µA
Isc Short Circuit Current
VI - VO = 5.5V
2.2 A
VIL Control Input Logic Low
OFF MODE, (NOTE 3) TJ = -40 to 125°C
0.8 V
VIH Control Input Logic High ON MODE, (NOTE 3) TJ = -40 to 125°C 2
V
IINH Control Input Current
TJ = -40 to 125°C
VINH = 13V
5 10 µA
eN Output Noise Voltage
BP = 10Hz to 100KHz
IO = 100mA
72
µVRMS
NOTE 1: Guaranteed by design.
NOTE 2: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value with VO+1V
applied to VI.
NOTE 3: Only for version with Inhibit function.
4/17
4페이지 LD29150 SERIES
Table 10: Electrical Characteristics Of LD29150#ADJ
(IO = 10mA, TJ = 25°C, VI = 3.23 V, VINH = 2V (Note 3), CI = 330nF, CO = 10µF adjust pin tied to output
pin)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VI Minimum Operating Input IO = 10mA to 1.5A
Voltage
TJ = -40 to 125°C
2.5
∆VO Load Regulation
IO = 10mA to 1.5A
∆VO Line Regulation
VI = 2.5 V to 13V
IO = 10mA
VREF Reference Voltage
IO = 10mA to 1.5A, VI = 2.5 to 4.5V
TJ = -40 to 125°C (Note 2)
-1%
-2%
SVR Supply Voltage Rejection
f = 120 Hz, VI = 3.23 ± 1V, IO = 0.75A
(Note 1)
45
Iq Quiescent Current
IO = 0.75A, TJ = -40 to 125°C
IO = 1.5A, TJ = -40 to 125°C
VI = 13V, VINH = GND TJ = -40 to 125°C
IADJ Adjust Pin Current
TJ = -40 to 125°C (Note 1)
Isc Short Circuit Current
VI - VO = 5.5V
VIL Control Input Logic Low
OFF MODE, (NOTE 3) TJ = -40 to 125°C
VIH Control Input Logic High ON MODE, (NOTE 3) TJ = -40 to 125°C 2
IINH Control Input Current
TJ = -40 to 125°C
VINH = 13V
eN Output Noise Voltage
BP = 10Hz to 100KHz
IO = 100mA
NOTE 1: Guaranteed by design.
NOTE 2: reference Voltage is measured between output and GND pin, with ADJ PIN tied to VOUT.
NOTE 3: Only for version with Inhibit function.
0.2
0.06
1.23
75
15
30
130
2.2
5
50
V
1.0
0.5
+1%
+2%
%
%
V
dB
40 mA
80
180 µA
1 µA
A
0.8 V
V
10 µA
µVRMS
TYPICAL CHARACTERISTICS
Figure 5: Output Voltage vs Temperature
Figure 6: Reference Voltage vs Temperature
7/17
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부품번호 | 상세설명 및 기능 | 제조사 |
LD29150 | 1.5A / VERY LOW DROP VOLTAGE REGULATORS | ST Microelectronics |
LD29150XX | very low drop voltage regulators | STMicroelectronics |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |