lt3468es5-trpbf Linear Technology Corporation, lt3468es5-trpbf Datasheet - Page 4

• Manufacturer Part Number: lt3468es5-trpbf
• Description: Lt3468-1 - Photoflash Capacitor Chargers In Thinsot?
• Manufacturer: Linear Technology Corporation

LT3468/LT3468-1/LT3468-2
curves use the circuit of Figure 7 and LT3468-2 use the circuit of Figure 8 unless otherwise noted.
4
TYPICAL PERFOR A CE CHARACTERISTICS
324
323
322
321
320
319
318
1.5
1.4
1.3
1.2
1.1
90
80
70
60
50
40
–40
2
50
LT3468 Efficiency
LT3468 Output Voltage
LT3468 Switch Current Limit
T
V
V
A
V
IN
OUT
T
IN
= 25°C
A
–20
= 3V
= 25°C
= 2.8V
T
3
100
= 0V
A
= –40°C
0
TEMPERATURE (°C)
4
150
V
IN
20
V
V
OUT
= 3.6V
IN
5
V
(V)
IN
200
(V)
T
40
A
= 4.2V
= 85°C
6
60
250
W
7
80
3468 G13
3468 G10
3468 G16
300
U
100
8
0.700
0.660
0.620
0.580
0.540
0.500
324
323
322
321
320
319
318
90
80
70
60
50
40
–40
50
2
LT3468-1 Efficiency
LT3468-1 Output Voltage
LT3468-1 Switch Current Limit
T
V
V
A
IN
OUT
V
= 25°C
IN
–20
= 3V
3
= 2.8V
100
= 0V
T
T
A
A
T
= 85°C
A
= 25°C
0
TEMPERATURE (°C)
= –40°C
4
150
V
V
IN
IN
V
20
V
= 3.6V
OUT
IN
= 4.2V
5
(V)
200
(V)
40
6
60
250
7
80
LT3468 curves use the circuit of Figure 6, LT3468-1
3468 G14
3468 G11
3468 G17
300
100
8
1.00
0.96
0.92
0.88
0.84
0.80
319
318
317
316
315
314
313
312
90
80
70
60
50
40
–40
50
2
LT3468-2 Efficiency
LT3468-2 Output Voltage
LT3468-2 Switch Current Limit
T
V
V
A
V
IN
OUT
= 25°C
IN
–20
= 3V
100
3
= 2.8V
= 0V
T
A
0
TEMPERATURE (°C)
= 85°C
4
150
V
T
IN
A
V
20
V
= –40°C
= 3.6V
OUT
IN
5
(V)
200
(V)
40
T
A
6
= 25°C
V
60
IN
250
= 4.2V
7
80
346812fa
34682 G18
3468 G12
3468 G15
300
100
8