LTC6992-4 Linear Technology, LTC6992-4 Datasheet - Page 10

• Manufacturer Part Number: LTC6992-4
• Description: TimerBlox Voltage-Controlled Pulse Width Modulator (PWM)
• Manufacturer: Linear Technology

LTC6992-1/LTC6992-2/
LTC6992-3/LTC6992-4
TYPICAL PERFORMANCE CHARACTERISTICS
otherwise noted.
10
–0.1
–0.2
–0.3
–0.4
–0.5
100
0.5
0.4
0.3
0.2
0.1
99
98
97
96
95
94
93
92
91
90
89
88
12
11
10
0.804
0.084
0
9
8
7
6
5
4
3
2
1
0
2
Linearity Near 100% Duty Cycle
Linearity Near 0% Duty Cycle
Duty Cycle Drift vs Supply
DIVCODE = 4
LTC6992-1/LTC6992-4
3 PARTS
DIVCODE = 0
DIVCODE = 4
LTC6992-1/LTC6992-3
3 PARTS
5% CLAMP
V
0.836
0.116
MOD
3
V
MOD
V
V
/V
V
MOD
MOD
MOD
SET
SUPPLY (V)
/V
95% CLAMP
SET
/V
/V
REFERENCED TO V
/V
= 0.5
SET
SET
4
SET
= 0.2
0.868
0.148
= 0.8
(V/V)
(V/V)
5
0.18
0.9
+
6992 G35
6992 G38
6992 G41
= 4V
6
–0.1
–0.2
–0.3
–0.4
–0.5
100
0.5
0.4
0.3
0.2
0.1
99
98
97
96
95
94
93
92
91
90
89
88
12
11
10
0.804
0.084
0
9
8
7
6
5
4
3
2
1
0
2
Linearity Near 95% Duty Cycle
Linearity Near 5% Duty Cycle
N
vs Supply
DIVCODE = 4
LTC6992-2/LTC6992-3
3 PARTS
DIVCODE = 4
LTC6992-2/LTC6992-4
3 PARTS
DIVCODE = 4
DIV
5% CLAMP
V
MOD
> 1 Duty Cycle Drift
/V
0.836
0.116
SET
3
V
MOD
V
= 0.8
V
V
MOD
MOD
MOD
SUPPLY (V)
/V
SET
/V
REFERENCED TO V
/V
/V
95% CLAMP
SET
SET
SET
4
= 0.2
0.868
0.148
= 0.5
(V/V)
(V/V)
5
0.18
0.9
+
6992 G36
6992 G39
6992 G42
= 4V
V
+
6
= 3.3V, R
400
350
300
250
200
150
100
SET
72
71
70
69
68
67
66
65
64
63
62
36
35
34
33
32
31
30
29
28
27
26
50
0.596
0.308
0
0
Supply Current vs V
Linearity Near 67% Duty Cycle
Linearity Near 31% Duty Cycle
DIVCODE = 4
3 PARTS
= 200k, and T
DIVCODE = 4
3 PARTS
LTC6992-2
0.612
0.324
0.2
V
V
0.628
MOD
R
R
R
0.34
MOD
R
0.4
SET
SET
SET
SET
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V
A
MOD
/V
/V
= 50k, ÷16
= 100k, ÷4
= 800k, ÷1
= 25°C, unless
= 50k, ÷1
SET
SET
(V)
0.644
0.356
(V/V)
0.6
(V/V)
MOD
0.372
0.66
0.8
69921234p
6992 G37
6992 G40
6992 G43
0.676
0.388
1