LTC3452
TYPICAL PERFOR A CE CHARACTERISTICS
Oscillator Frequency
PMOS R DS(ON) vs Temperature
NMOS R DS(ON) vs Temperature
vs Temperature
325
300
325
300
1050
1040
V OUT = 3V
275
250
225
200
175
V IN = 3.6V
V IN = 2.7V
V IN = 5.5V
V IN = 4.2V
275
250
225
200
175
V IN = 2.7V
V IN = 3.6V
V IN = 5.5V
V IN = 4.2V
1030
1020
1010
1000
990
980
970
V IN = 4.2V
V IN = 5.5V
V IN = 3.6V
V IN = 2.7V
150
150
960
125
–55 –35 –15
5
25
45
65
85 105 125
125
–55 –35 –15
5
25
45
65
85 105 125
950
–55 –35 –15
5
25
45
65
85 105 125
TEMPERATURE ( ° C)
3452 G10
Output Voltage Ripple
(Front Page Application)
TEMPERATURE ( ° C)
3452 G11
Start-Up Transient
V IN = 3.6V
TEMPERATURE ( ° C)
CH1, V OUT
1V/DIV
CH2, I LED
300mA FINAL VALUE
CH3, EN H
1V/DIV
3452 G14
3452 G12
V IN = 3V
3452 G13
I LEDH = 300mA
V OUT = 3.1V
I LED = 100mA
3452f
5
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