LTC6992-1/LTC6992-2/
LTC6992-3/LTC6992-4
TYPICAL PERFORMANCE CHARACTERISTICS V+ = 3.3V, RSET = 200k, and TA = 25°C, unless
otherwise noted.
NDIV > 1 Duty Cycle Error vs RSET
5
VMOD/VSET = 0.2 (12.5%)
4 DIVCODE = 4
3 PARTS
3
2
1
0
–1
–2
–3
–4
–5
50
100
200
400
RSET (k)
800
6992 G13
NDIV = 1 Duty Cycle Clamps
vs RSET
97
DIVCODE = 0
96 3 PARTS
95
94
LTC6992-2/LTC6992-3
93
VMOD = VSET
92
8
7
6
5
4
3
50
LTC6992-2/LTC6992-4
VMOD = VSET
100
200
400
RSET (k)
800
6992 G16
NDIV = 1 Duty Cycle Error
vs Temperature
5
4
GUARANTEED MAX
3
VMOD/VSET = 0.5 (50%)
DIVCODE = 0
2 3 PARTS
1
0
–1
–2
–3
–4
GUARANTEED MIN
–5
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
6992 G19
8
NDIV > 1 Duty Cycle Error vs RSET
5
VMOD/VSET = 0.5 (50%)
4 DIVCODE = 4
3 PARTS
3
2
1
0
–1
–2
–3
–4
–5
50
100
200
400
RSET (k)
800
6992 G14
NDIV > 1 Duty Cycle Error vs RSET
97
DIVCODE = 4
96 3 PARTS
95
94
93
LTC6992-2/LTC6992-3
92
VMOD = VSET
8
7
6
5
4
3
50
LTC6992-2/LTC6992-4
VMOD = VSET
100
200
400
RSET (k)
800
6992 G17
NDIV = 1 Duty Cycle Error
vs Temperature
5
4
GUARANTEED MAX
3
VMOD/VSET = 0.8 (87.5%)
DIVCODE = 0
2 3 PARTS
1
0
–1
–2
–3
–4
GUARANTEED MIN
–5
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
6992 G20
For more information www.analog.com
NDIV > 1 Duty Cycle Error vs RSET
5
VMOD/VSET = 0.8 (87.5%)
4 DIVCODE = 4
3 PARTS
3
2
1
0
–1
–2
–3
–4
–5
50
100
200
400
RSET (k)
800
6992 G15
NDIV = 1 Duty Cycle Error
vs Temperature
5
4
GUARANTEED MAX
3
VMOD/VSET = 0.2 (12.5%)
DIVCODE = 0
2 3 PARTS
1
0
–1
–2
–3
–4
GUARANTEED MIN
–5
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
6992 G18
NDIV > 1 Duty Cycle Error
vs Temperature
5
4
GUARANTEED MAX
3
VMOD/VSET = 0.2 (12.5%)
DIVCODE = 4
2 3 PARTS
1
0
–1
–2
–3
–4
GUARANTEED MIN
–5
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
6992 G21
Rev. D