ltc3210 Linear Technology Corporation, ltc3210 Datasheet - Page 4

• Manufacturer Part Number: ltc3210
• Description: Main/cam Led Controller In 3mm ? 3mm Qfn
• Manufacturer: Linear Technology Corporation

LTC3210
TYPICAL PERFOR A CE CHARACTERISTICS
4
20mV/DIV
COUPLED
1V/DIV
2V/DIV
CPO
V
EN
CPO
4.8
4.6
4.4
4.2
4.0
3.8
3.6
AC
Dropout Time from Shutdown
1.5x Mode CPO Voltage
vs Load Current
2x CPO Ripple
0
V
V
RESET
C2 = C3 = C4 = 2.2μF
MODE
V
I
C
BAT
BAT
CPO
BAT
CPO
= 3.2V
= 3.1V
= 200mA
= 3.6V
100
= 2.2μF
V
LOAD CURRENT (mA)
BAT
200
= 3V
500μs/DIV
500ns/DIV
V
1X
BAT
= 3.3V
300
V
BAT
1.5X
W
= 3.4V
V
V
BAT
400
BAT
2X
= 3.5V
= 3.6V
U
3210 G01
3210 G04
3210 G07
500
1V/DIV
2V/DIV
CPO
ENC
0.70
0.65
0.60
0.55
0.50
0.45
0.40
4.6
4.4
4.2
4.0
3.8
3.6
3.4
3.2
–40
–40
Dropout Time When Enabled
1x Mode Switch Resistance
vs Temperature
2x Mode Charge Pump Open-Loop
Output Resistance vs Temperature
(2V
I
ENM = HIGH
CPO
RESET
V
V
C2 = C3 = C4 = 2.2μF
MODE
BAT
CPO
V
BAT
BAT
= 200mA
= 3V
–15
= 4.8V
–15
= 3.3V
– V
V
BAT
TEMPERATURE (°C)
CPO
TEMPERATURE (˚C)
= 3.9V
10
250μs/DIV
10
)/I
1X
CPO
35
35
1.5X
V
BAT
60
60
= 3.6V
T
3210 G02
A
3210 G08
2X
3210 G05
= 25°C unless otherwise stated.
85
85
50mV/DIV
COUPLED
V
CPO
AC
3.8
3.6
3.4
3.2
3.0
2.6
2.4
2.8
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
4.4
4.3
4.2
–40
1.5x Mode Charge Pump Open-Loop
Output Resistance vs Temperature
(1.5V
1.5x CPO Ripple
2x Mode CPO Voltage
vs Load Current
0
C2 = C3 = C4 = 2.2μF
V
V
C2 = C3 = C4 = 2.2μF
V
I
C
CPO
BAT
CPO
BAT
CPO
BAT
= 3V
= 200mA
= 4.2V
= 3.6V
= 2.2μF
–15
100
– V
LOAD CURRENT (mA)
TEMPERATURE (˚C)
CPO
200
10
500ns/DIV
V
BAT
V
)/I
BAT
V
V
BAT
V
= 3.5V
BAT
CPO
BAT
= 3.4V
300
= 3.3V
35
= 3.1V
= 3.2V
V
BAT
V
= 3V
400
60
BAT
= 3.6V
3210fa
3210 G03
3210 G09
3210 G06
500
85