LTC6993 查看數據表（PDF） - Linear Technology
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LTC6993 Datasheet PDF : 26 Pages
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LTC6993-1/LTC6993-2
LTC6993-3/LTC6993-4
TYPICAL PERFORMANCE CHARACTERISTICS
V+ = 3.3V, RSET = 200k and TA = 25°C unless otherwise noted.
tOUT Error vs RSET
(NDIV = 1, Rising Edge)
5
LTC6993-1/LTC6993-2
4 DIVCODE = 0
3 3 PARTS
2
1
0
–1
–2
–3
–4
–5
50
100
200
400
RSET (kΩ)
800
69931234 G10
tOUT Error vs RSET
(8 ≤ NDIV ≤ 64)
5
3 PARTS
4
3
2
1
0
–1
–2
–3
–4
–5
50
100
200
400
800
RSET (kΩ)
69931234 G11
tOUT Error vs RSET
(NDIV = 1, Falling Edge)
5
LTC6993-3/LTC6993-4
4 DIVCODE = 0
3 3 PARTS
2
1
0
–1
–2
–3
–4
–5
50
100
200
400
RSET (kΩ)
800
69931234 G13
VSET Drift vs ISET
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
REFERENCED TO ISET = 10µA
5
10
15
20
ISET (µA)
69931234 G16
tOUT Error vs DIVCODE
(Rising Edge)
5
LTC6993-1/LTC6993-2
4 RSET = 50k
3 3 PARTS
2
1
0
–1
–2
–3
–4
–5
0 2 4 6 8 10
DIVCODE
12 14
69931234 G14
VSET Drift vs Supply Voltage
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
2
REFERENCED TO V+ = 4V
3
4
5
6
SUPPLY (V)
69931234 G17
tOUT Error vs RSET
(NDIV ≥ 512)
5
3 PARTS
4
3
2
1
0
–1
–2
–3
–4
–5
50
100
200
400
800
RSET (kΩ)
69931234 G12
tOUT Error vs DIVCODE
(Falling Edge)
5
LTC6993-3/LTC6993-4
4 RSET = 50k
3 3 PARTS
2
1
0
–1
–2
–3
–4
–5
0 2 4 6 8 10
DIVCODE
12 14
69931234 G15
VSET vs Temperature
1.020
3 PARTS
1.015
1.010
1.005
1.000
0.995
0.990
0.985
0.980
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
69931234 G18
69931234fb
7
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