ltc6993-1 Linear Technology Corporation, ltc6993-1 Datasheet - Page 13

• Manufacturer Part Number: ltc6993-1
• Description: Electrical Specifications Subject To Change
• Manufacturer: Linear Technology Corporation

operaTion
Table 1. DIVCODE Programming
DIVCODE
10
11
12
13
14
15
0
1
2
3
4
5
6
7
8
9
POL
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
10000
0.001
1000
0.01
100
0.1
10
1
0V
2,097,152
2,097,152
0
262,144
262,144
32,768
32,768
4,096
4,096
N
512
512
64
64
DIV
1
8
8
1
1
Figure 2. Pulse Width Range and POL Bit vs DIVCODE
2
POL BIT = 0
3
2.097sec to 33.55sec
2.097sec to 33.55sec
4.096ms to 65.54ms
32.77ms to 524.3ms
262.1ms to 4.194ms
262.1ms to 4.194ms
32.77ms to 524.3ms
4.096ms to 65.54ms
Recommended t
4
512µs to 8.192ms
512µs to 8.192ms
64µs to 1.024ms
64µs to 1.024ms
8µs to 128µs
8µs to 128µs
1µs to 16µs
1µs to 16µs
5
6
INCREASING V
0.5• V
7
OUT
+
8
DIV
9
10
R1 (k)
Short
Open
1000
1000
1000
1000
1000
976
976
887
681
523
392
280
182
102
POL BIT = 1
11
LTC6993-1/LTC6993-2
LTC6993-3/LTC6993-4
12
13
R2 (k)
Short
14
1000
1000
1000
1000
1000
Open
102
182
280
392
523
681
887
976
976
69931234 F02
15
V
+
≤ 0.03125 ±0.015
≥ 0.96875 ±0.015
0.09375 ±0.015
0.15625 ±0.015
0.21875 ±0.015
0.28125 ±0.015
0.34375 ±0.015
0.40625 ±0.015
0.46875 ±0.015
0.53125 ±0.015
0.59375 ±0.015
0.65625 ±0.015
0.71875 ±0.015
0.78125 ±0.015
0.84375 ±0.015
0.90625 ±0.015
V
DIV
/V
+

69931234p