LTC3207-1_15 Datasheet, PDF (5/20 Pages) Linear Technology – 600mA Universal Multi-Output LED/CAM Driver

LTC3207/LTC3207-1
TYPICAL PERFORMANCE CHARACTERISTICS _{TA = 25°C unless otherwise noted}
2x Mode Charge Pump Open-Loop
Output Resistance vs Temperature
(2V_BAT -V_CPO) / I_CPO
5.0
V_BAT = 3V
4.8 V_CPO = 4.8V
4.6
C2 = C3 = 2.2µF
C4 = 4.7µF
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
–40 –15 10
35
60
85
TEMPERATURE (°C)
3207 G07
2x Mode CPO Voltage vs I_CPO
5.2
5.1
5.0
4.9
3.6V
3.5V
4.8
3.4V
4.7
3.3V
3.2V
4.6
3.1V
V_BAT = 3V
4.5
4.4
4.3 C2 = C3 = 2.2µF
C4 = 4.7µF
4.2
0
100 200 300
I_CPO (mA)
400 500
3207 G08
Oscillator Frequency
vs V_BAT Voltage
875
T_A = –40°C
850
825
T_A = 25°C
T_A = 85°C
800
775
2.9 3.3 3.7 4.1 4.5 4.9 5.3
V_BAT VOLTAGE (V)
3207 G09
V_BAT Shutdown Current
vs V_BAT Voltage
7.5
6.5
5.5
T_A = 85°C
4.5
3.5
T_A = –40°C
T_A = 25°C
2.5
1.5
2.9 3.3 3.7 4.1 4.5 4.9 5.3
V_BAT VOLTAGE (V)
3207 G10
1x Mode No Load V_BAT Current
vs V_BAT Voltage
500
495
490
485
480
475
470
465
460
455
450
2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4
V_BAT VOLTAGE (V)
3207 G11
1.5x Mode V_BAT Current vs I_CPO
(IV_BAT- 1.5I_CPO)
20
V_BAT = 3.6V
15
10
5
0
0
100 200 300 400 500
I_CPO (mA)
3207 G12
2x Mode V_BAT Current vs I_CPO
(IV_BAT- 2I_CPO)
25
V_BAT = 3.6V
20
15
10
5
0
0 100 200 300 400 500 600
I_CPO (mA)
3207 G13
CAM Pin Current
vs CAM Pin Voltage
450
V_BAT = 3.6V
400
350
300
250
200
150
100
50
0
0.0 0.2 0.4 0.6 0.8 1.0
CAM PIN VOLTAGE (V)
3207 G14
CAM LED Current
vs Input Code
450
400
350
300
250
200
150
100
50
0
0123456789ABCDE F
INPUT CODE (HEX)
3207 G15
3207fc
5