LTC3208EUH Linear Technology, LTC3208EUH Datasheet - Page 5

• Manufacturer Part Number: LTC3208EUH
• Description: IC,Laser Diode/LED Driver,CMOS,LLCC,32PIN,PLASTIC
• Manufacturer: Linear Technology

TYPICAL PERFOR A CE CHARACTERISTICS
600
400
300
200
500
100
940
930
920
910
900
890
880
870
860
850
840
4.8
4.6
4.4
4.2
4.0
3.8
3.6
0
2.7
10
LED Pin Dropout Voltage
vs LED Pin Current
0
1.5x Mode CPO Voltage
vs Load Current
Oscillator Frequency
vs Supply Voltage
V
T
C2 = C3 = 2.2µF
C4 = 4.7µF
T
A
BAT
A
V
= 25°C
20
= 25°C
BAT
= 3.6V
3.0
T
100
A
= 3V
30
= 25°C
V
BAT
LOAD CURRENT (mA)
LED CURRENT (mA)
3.3
40
SUPPLY VOLTAGE (V)
200
3.1V
3.2V
50
T
3.6
A
= –40°C
60
300
3.4V
T
3.9
3.3V
70
A
= 85°C
W
80
400
3.5V
4.2
90
3208 G04
3208 G07
3208 G10
3.6V
U
100
500
4.5
0.45
0.40
0.35
0.30
0.25
0.4
0.3
0.2
0.1
2.8
2.6
2.4
2.2
2.0
1.8
1.6
0
–40
–40
2.7
2x Mode Charge Pump Open-
Loop Output Resistance vs
Temperature (2V
DV
vs DV
1x Mode Switch Resistance vs
Temperature
V
V
C2 = C3 = 2.2µF
C4 = 4.7µF
V
I
CPO
BAT
BAT
CPO
CC
= 200mA
3.0
= 3V
= 3.6V
= 4.8V
–15
–15
Shutdown Current
CC
V
Voltage
BAT
TEMPERATURE (°C)
TEMPERATURE (°C)
3.3
DV
= 3.6V
CC
10
10
T
VOLTAGE (V)
A
3.6
= 85°C
BAT
V
V
35
35
– V
T
BAT
BAT
A
3.9
= 25°C
= 3.3V
= 3.9V
CPO
T
A
= –40°C
60
60
)/I
4.2
CPO
3208 G08
3208 G11
3208 G05
4.5
85
85
2.5
2.3
2.1
1.9
1.7
1.5
8.5
7.5
6.5
5.5
4.5
3.5
2.5
1.5
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
–40
2.7
2x Mode CPO Voltage
vs Load Current
0
V
vs V
1.5x Mode Charge Pump Open-Loop
Output Resistance vs Temperature
(1.5V
D
V
V
C2 = C3 = 2.2µF
C4 = 4.7µF
C2 = C3 = 2.2µF
C4 = 4.7µF
T
BAT
BAT
CPO
VCC
A
= 25°C
100 200 300
BAT
3.0
= 3V
= 3V
= 4.2V
Shutdown Current
BAT
–15
T
V
V
V
V
V
V
V
A
BAT
BAT
BAT
BAT
BAT
BAT
BAT
Voltage
= 25°C
– V
LOAD CURRENT (mA)
TEMPERATURE (°C)
= 3V
= 3.1V
= 3.2V
= 3.3V
= 3.4V
= 3.5V
= 3.6V
3.3
V
BAT
CPO
T
10
T
A
VOLTAGE (V)
A
= –40°C
= 85°C
3.6
LTC3208
)/I
400 500
CPO
35
3.9
600 700
60
4.2
3208 G12
3208 G06
3208 G09
3208fa
5
4.5
800
85