LTC1698EGN Linear Technology, LTC1698EGN Datasheet - Page 5

• Manufacturer Part Number: LTC1698EGN
• Description: IC PREC RECT CONTROLLER 16-SSOP
• Manufacturer: Linear Technology

Specifications of LTC1698EGN

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 400kHz
• Voltage - Supply: 6 V ~ 12.6 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 16-SSOP
• Frequency-max: 400kHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Duty Cycle: -

TYPICAL PERFOR A CE CHARACTERISTICS
3.465
3.424
3.383
3.341
3.300
3.259
3.218
3.176
3.135
–10
–30
–40
–50
–20
0
–50
8
6
4
2
0
–50
V
vs Temperature
Maximum OPTO Driver Output
Voltage vs Load Current
0
V
V
AUX
T
V
V
I
DD
AUX
LOAD
A
DD
COMP
–25
–25
= 25 C
1
= 8V
= 8V
Short-Circuit Current
vs Temperature
= 0mA
= 0V
2
0
0
TEMPERATURE ( C)
LOAD CURRENT (mA)
3
TEMPERATURE ( C)
25
25
4
50
50
5
75
6
75
7
100 125
100
W
V
DD
V
V
V
V
8
DD
DD
DD
DD
125
= 10V
1698 G13
1698 G10
= 8V
= 7V
= 6V
= 5V
1698 G22
9
U
150
150
10
–10
–20
–30
–40
–50
0
3.465
3.424
3.383
3.341
3.300
3.259
3.218
3.176
3.135
5
V
vs V
T
AUX
A
6
2
0
8
4
–50
= 25 C
6
5
Maximum OPTO Driver Output
Voltage vs Temperature
DD
V
V
I
V
I
Short-Circuit Current
OPTODRV
LOAD
AUX
COMP
DD
–25
7
6
= 8V
= 0mA
vs Line Voltage
= 0V
7
8
= –10mA
0
TEMPERATURE ( C)
V
9
8
DD
25
(V)
10
V
9
DD
50
(V)
10
11
75
12
V
11
V
V
V
V
DD
DD
DD
DD
DD
100 125 150
= 10V
13
= 8V
= 7V
= 6V
= 5V
12
1698 G14
13
14
1698 G11
1698 G23
14
3.030
3.024
3.018
3.012
3.006
3.000
2.994
2.988
2.982
2.976
2.970
0
Opto Driver Load Regulation
3.465
3.424
3.383
3.341
3.300
3.259
3.218
3.176
3.135
V
T
–10
–15
–20
–25
–30
–35
–40
–45
–50
DD
A
1
= 25 C
–50
= 8V
Opto Driver Short-Circuit Current
vs Temperature
0
V
V
V
2
V
T
DD
OPTODRV
AUX
A
DD
–25
= 25 C
1
LOAD CURRENT (mA)
= 8V
3
= 8V
vs Load Current
2
4
0
= 1.233V
TEMPERATURE ( C)
LOAD CURRENT (mA)
3
5
25
4
6
50
5
LTC1698
7
75
6
8
7
100
1698 G15
9
8
10
125
1698 G16
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
1698 G12
9
5
1698f
150
10