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LT3015 データシート(PDF) 8 Page - Linear Technology

部品番号 LT3015
部品情報  1.5A, Low Noise, Negative Linear Regulator with Precision Current Limit
PDF  20 Pages
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メーカー  LINER [Linear Technology]
ホームページ  http://www.linear.com
Logo LINER - Linear Technology

LT3015 データシート(HTML) 8 Page - Linear Technology

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LT3015
8
3015f
TYPICAL PERFORMANCE CHARACTERISTICS
Minimum Input Voltage
Output Noise Spectral Density
RMS Output Noise
vs Load Current
RMS Output Noise
vs Feedforward Capacitor (CFF)
LT3015 10Hz to 100kHz Output
Noise
LT3015 10Hz to 100kHz Output
Noise, CFF = 0
TA = 25°C, unless otherwise noted.
LT3015 10Hz to 100kHz Output
Noise, CFF = 10nF
TEMPERATURE (°C)
–75
0
–1.0
–0.8
–0.6
–0.4
–0.2
–1.2
–1.4
–1.6
–1.8
–2.0
–2.2
75 100 125 150 175
–25
–50
0
25
3015 G31
50
IL = –1mA
VSHDN = VIN
IL = –1.5A
FREQUENCY (Hz)
10
100
1k
10k
0.1
1
10
100k
3015 G32
VSHDN = VIN
COUT = 10μF
IL = –1.5A
IFB-DIVIDER = 100μA
VOUT = –5V
CFF = 10nF
VOUT = –1.22V
VOUT = –5V
CFF = 0
TJ = 25°C
LOAD CURRENT (A)
–1m
–10m
–100m
0
175
150
125
100
75
50
25
250
225
200
–1
3015 G33
COUT = 10μF
IFB-DIVIDER = 100μA
TJ = 25°C
f = 10Hz TO 100KHz
VOUT = –5V, CFF = 0
VOUT = –5V, CFF = 120pF
VOUT = –5V, CFF = 1nF
VOUT = –1.22V
VOUT = –5V, CFF = 10nF
FEEDFORWARD CAPACITANCE, CFF (F)
10p
100p
1n
10n
100n
0
25
50
75
100
125
150
175
200
225
250
1μ
3015 G34
IL = –1.5A
COUT = 10μF
f = 10Hz TO 100kHz
IFB-DIVIDER = 100μA
TJ = 25°C
VOUT = –5V
VOUT = –1.22V
VOUT
100μV/DIV
COUT = 10μF
VOUT = –1.22V
IL = –1.5A
3015 G35
1ms/DIV
VOUT
200μV/DIV
COUT = 10μF
VOUT = –5V
IL = –1.5A
CFF = 0
3015 G36
1ms/DIV
VOUT
200μV/DIV
COUT = 10μF
VOUT = –5V
IL = –1.5A
CFF = 10nF
3015 G37
1ms/DIV
SHDN Transient Response,
IL = –5mA, CFF = 0
SHDN Transient Response,
IL = –1.5A, CFF = 0
VSHDN
1V/DIV
VOUT
2V/DIV
RL = 1kΩ
COUT = 10μF
VOUT = –5V
CFF = 0
3015 G23
25ms/DIV
VSHDN
1V/DIV
VOUT
2V/DIV
RL = 3.3Ω
COUT = 10μF
VOUT = –5V
CFF = 0
3015 G24
250μs/DIV



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