Datasheet

LTC2996
4
2996f
Typical perForMance characTerisTics
Remote Temperature Error
vs Series Resistance
Remote Temperature Error
vs C
DECOUPLE
(Between D
+
and D
–
)
Temperature Error with LTC2996 at
Same Temperature as Remote Diode
Remote Temperature Error
vs Ambient Temperature
Internal Temperature Error
vs Ambient Temperature
UVLO vs Temperature
V
CC
Rising, Falling
Buffered Reference Voltage
vs Temperature
Temperature Error vs Supply
Voltage
V
PTAT
Noise vs Averaging Time
T
A
= 25°C, V
CC
= 3.3V unless otherwise noted.
T
A
(°C)
–50
–3
T
RMT
ERROR (°C)
–2
0
–1
75 100
2996 G01
3
1
2
–25 0 25 50 125
T
INTERNAL
= T
REMOTE
T
A
(°C)
–50
–3
T
RMT
ERROR (°C)
–2
0
–1
75 100
2996 G02
3
1
2
–25 0 25 50 125
T
REMOTE
= 35°C
T
A
(°C)
–50
–3
T
INT
ERROR (°C)
–2
0
–1
75 100
2996 G03
3
1
2
–25 0 25 50
125
V
CC
(V)
1
–0.4
ERROR (°C)
–0.2
–0.3
0.1
0.2
0.0
–0.1
3 5
2996 G04
0.3
0.4
2 4
6
SERIES RESISTANCE (Ω)
0
–6
ERROR (°C)
–4
0
–2
800600
2996 G05
2
6
4
200 400 12001000
DECOUPLE CAPACITOR (nF)
0
ERROR (°C)
0
–2
–4
–6
86
2996 G06
4
2
6
2 4 10
AVERAGING TIME (ms)
0.01
0
V
PTAT
NOISE (°C RMS)
0.05
0.10
0.15
1
1000
2996 G07
0.20
0.1
10 100
T
A
(°C)
–50
1.8
UVLO (V)
2.0
2.1
1.9
25 75
150
2996 G08
2.2
0–25 50
100 125
V
CC
RISING
V
CC
FALLING
T
A
(°C)
1.790
V
REF
(V)
1.795
2996 G09
1.800
1.810
1.805
–60 0 60
160
–20–40 4020
80 100 140