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LT3015EDD Datasheet(PDF) 7 Page - Linear Technology

Part # LT3015EDD
Description  1.5A, Low Noise, Negative Linear Regulator with Precision Current Limit
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3015EDD Datasheet(HTML) 7 Page - Linear Technology

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LT3015
7
3015f
TYPICAL PERFORMANCE CHARACTERISTICS
Load Regulation
Current Limit vs VIN –VOUT
Current Limit vs Temperature
ADJ Pin Bias Current
ADJ Pin Bias Current
Line Regulation
TA = 25°C, unless otherwise noted.
TEMPERATURE (°C)
–75
–200
150
100
50
–50
0
–100
–150
200
75 100 125 150 175
–25
–50
0
25
3015 G19
50
VIN = –2.3V
POSITIVE CURRENT FLOWS
INTO THE PIN
INPUT VOLTAGE (V)
0
20
70
50
60
40
30
80
–18 –21 –24 –27 –30
–6
–3
–9 –12
3015 G20
–15
TJ = 25°C
POSITIVE CURRENT FLOWS
INTO THE PIN
TEMPERATURE (°C)
–75
0.0
–2.0
–3.0
–4.0
–5.0
–6.0
–7.0
–8.0
–9.0
–1.0
–10.0
75 100 125 150 175
–25
–50
0
25
3015 G21
50
ΔVIN = –5.5V TO –30V
VOUT = –5V
ΔVIN = –2.3V TO –30V
VOUT = –1.22V
IL = –1mA
TEMPERATURE (°C)
–75
–32
–24
–20
–16
–12
–8
–4
–28
0
75 100 125 150 175
–25
–50
0
25
3015 G22
50
VOUT = –1.22V
VOUT = –5V
VIN = VOUT(NOMINAL) –1V
ΔIL = –1mA TO –1.5A
INPUT/OUTPUT DIFFERENTIAL (V)
0
0.0
–0.4
–0.6
–0.8
–1.0
–1.2
–1.4
–1.6
–1.8
–2.0
–0.2
–2.2
–20
–25
–30
–10
–5
–15
3015 G26
VOUT = 0V
–55°C
25°C
125°C
TEMPERATURE (°C)
–75
0.0
–0.4
–0.6
–0.8
–1.0
–1.2
–1.4
–1.6
–1.8
–2.0
–0.2
–2.2
75 100 125 150 175
–25
–50
0
25
3015 G27
50
VIN = –2.3V
VOUT = 0V
LT3015 Input Ripple Rejection
LT3015 Input Ripple Rejection
Ripple Rejection vs Temperature
FREQUENCY (Hz)
10
0
20
10
30
40
50
60
70
10M
100
1k
10k
100k
1M
3015 G28
TJ = 25°C
IL = –1.5A
VOUT = –1.22V
VIN = –2.7V
COUT = 47μF
COUT = 10μF
FREQUENCY (Hz)
10
0
20
10
30
40
50
60
70
10M
100
1k
10k
100k
1M
3015 G29
TJ = 25°C
IL = –1.5A
VOUT = –5V
VIN = –6.5V + VRMS RIPPLE
COUT = 10μF, CFF = 0
COUT = 10μF, CFF = 10nF
COUT = 47μF, CFF = 10nF
TEMPERATURE (°C)
–75
0
10
20
30
40
50
60
70
75 100 125 150 175
–25
–50
0
25
3015 G30
50
IL = –1.5A
VOUT = –1.22V
VIN = –2.7V + 0.5VP-P RIPPLE AT f = 120Hz


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