LT3015IMSE-3.3 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT3015IMSE-3.3
Linear Technology
LT3015IMSE-3.3 Datasheet PDF : 26 Pages
| |||
LT3015 Series
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted.
Load Regulation
–80
LT3015
–70
LT3015-2.5
LT3015-3
–60
LT3015-3.3
LT3015-5
LT3015-12
LT3015-15
–50
–40
–30
–20
–10
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
VIN = VOUT(NOMINAL) –1V
(LT3015-2.5/-3/-3.3/-5/-12/-15)
VIN = –2.3V (LT3015)
∆IL = –1mA TO –1.5A
3015 G37
LT3015 Input Ripple Rejection
70
60
COUT = 47µF
50
Current Limit vs VIN –VOUT
–2.2
–2.0
–1.8
125°C
25°C
–55°C
–1.6
–1.4
–1.2
–1.0
–0.8
–0.6
–0.4
–0.2 VOUT = 0V
0.0
0 –5 –10 –15 –20 –25 –30
INPUT/OUTPUT DIFFERENTIAL (V)
3015 G38
LT3015 Input Ripple Rejection
70
COUT = 47µF, CFF = 10nF
60
COUT = 10µF, CFF = 10nF
COUT = 10µF, CFF = 0
50
Current Limit vs Temperature
–2.2
–2.0
–1.8
–1.6
–1.4
–1.2
–1.0
–0.8
–0.6
–0.4
–0.2
VIN = –2.3V
VOUT = 0V
0.0
–75 –50 –25 0
25 50 75 100 125 150 175
TEMPERATURE (°C)
3015 G39
Ripple Rejection vs Temperature
70
60
50
40
40
40
30
30
30
20
TJ = 25°C
COUT = 10µF
10
IL = –1.5A
VOUT = –1.22V
VIN = –2.7V + 50VRMS RIPPLE
0
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
3015 G40
Minimum Input Voltage
–2.2
–2.0
–1.8
–1.6 IL = –1mA
IL = –1.5A
–1.4
–1.2
–1.0
–0.8
–0.6
–0.4
–0.2 VSHDN = VIN
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3015 G43
20
TJ = 25°C
10
IL = –1.5A
VOUT = –5V
VIN = –6.5V + 50VRMS RIPPLE
0
10 100 1k 10k 100k
FREQUENCY (Hz)
1M 10M
3015 G41
Output Noise Spectral Density
10
LT3015
LT3015-12
LT3015-2.5
LT3015-15
LT3015-5
1
VOUT = –5V
CFF = 0
VOUT = –5V
CFF = 10nF
VOUT = –1.22V
0.1
10
100
1k
10k
FREQUENCY (Hz)
COUT = 10µF
IL = –1.5A
IFB-DIVIDER = 100µA
100k
3015 G44
20
10
IL = –1.5A
VOUT = –1.22V
VIN = –2.7V + 0.5VP-P RIPPLE AT f = 120Hz
0
–75 –50 –25 0 25 50 75 100 125 150 175
TEMPERATURE (°C)
3015 G42
RMS Output Noise
vs Load Current
550
COUT = 10µF
500 f = 10Hz TO 100kHz
450 IFB-DIVIDER = 100µA
LT3015-15
400
LT3015-12
350
300
250
200
150
100
LT3015-2.5
50
0
–1m
–10m
–100m
–1
LOAD CURRENT (A)
3015 G45
NOISE AT VOUT = –1.22V
NOISE AT VOUT = –5V, CFF = 0
NOISE AT VOUT = –5V, CFF = 100pF
NOISE AT VOUT = –5V, CFF = 1nF
NOISE AT VOUT = –5V, CFF = 10nF
3015fb
11
Share Link: