LTC6992-4 Linear Technology, LTC6992-4 Datasheet - Page 9

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

TYPICAL PERFORMANCE CHARACTERISTICS
otherwise noted.
100
90
80
70
60
50
40
30
20
10
–1
–2
–3
–4
–5
–1
–2
–3
–4
–5
0
5
4
3
2
1
0
5
4
3
2
1
0
0
0
Duty Cycle Error vs DIVCODE
N
N
DIVCODE = 0
3 PARTS
LTC6992-2/
LTC6992-4
V
3 PARTS
DIVCODE = 0
3 PARTS
DIV
DIV
MOD
0
2
/V
= 1 Duty Cycle vs V
= 1 Duty Cycle Error vs Ideal
0.2
SET
IDEAL DUTY CYCLE (%)
4
= 0.2 (12.5%)
25
V
LTC6992-1/LTC6992-3
MOD
0.4
PART B
6
DIVCODE
/V
LTC6992-1/
LTC6992-4
50
SET
8
0.6
(V/V)
PART A
10
75
MOD
LTC6992-2/
LTC6992-3
PART C
0.8
12
/ V
6992 G29
100
6992 G26
6992 G32
SET
14
1
100
–1
–2
–3
–4
–5
–1
–2
–3
–4
–5
90
80
70
60
50
40
30
20
10
5
4
3
2
1
0
5
4
3
2
1
0
0
0
0
N
Duty Cycle Error vs DIVCODE
N
V
3 PARTS
DIVCODE = 4
3 PARTS
DIVCODE = 4
3 PARTS
LTC6992-2/
LTC6992-4
MOD
DIV
DIV
0
2
/V
> 1 Duty Cycle Error vs Ideal
> 1 Duty Cycle vs V
0.2
SET
IDEAL DUTY CYCLE (%)
4
25
= 0.5 (50%)
V
LTC6992-1/LTC6992-3
MOD
0.4
6
DIVCODE
LTC6992-1/
LTC6992-4
/V
PART B
50
SET
8
0.6
(V/V)
10
PART A
75
MOD
LTC6992-2/
LTC6992-3
12
0.8
PART C
/ V
LTC6992-1/LTC6992-2/
100
6992 G33
6992 G27
6992 G30
SET
LTC6992-3/LTC6992-4
14
V
+
1
= 3.3V, R
100
SET
–1
–2
–3
–4
–5
90
80
70
60
50
40
30
20
10
–1
–2
–3
–4
–5
5
4
3
2
1
0
0
5
4
3
2
1
0
0
0
N
N
Duty Cycle Error vs DIVCODE
DIVCODE = 11
3 PARTS
V
3 PARTS
LTC6992-2/
LTC6992-4
= 200k, and T
DIVCODE = 11
3 PARTS
DIV
MOD
DIV
0
2
/ V
> 1 Duty Cycle vs V
> 1 Duty Cycle Error vs Ideal
0.2
SET
IDEAL DUTY CYCLE (%)
4
= 0.8 (87.5%)
25
PART C
V
LTC6992-1/LTC6992-3
MOD
0.4
6
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DIVCODE
A
/V
LTC6992-1/
LTC6992-4
= 25°C, unless
50
SET
8
0.6
(V/V)
10
PART A
75
MOD
LTC6992-2/
LTC6992-3
0.8
12
PART B
/ V
69921234p
100
6992 G28
6992 G31
6992 G34
SET
14
9
1