LTC3214 Linear Technology, LTC3214 Datasheet - Page 3

• Manufacturer Part Number: LTC3214
• Description: 500mA Camera LED Charge Pump
• Manufacturer: Linear Technology

temperature range, otherwise specifications are at T
PARAMETER
I
V
I
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Based on long-term current density limitations. Assumes an
operating duty cycle of ≤ 10% under absolute maximum conditions for
durations less than 10 seconds. Max current for continuous operation is
300mA.
ELECTRICAL CHARACTERISTICS
TYPICAL PERFOR A CE CHARACTERISTICS
SET
ISET
ISET
0.12
0.10
0.08
0.06
0.04
0.02
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0
–40
0
1x Mode Charge Pump Open-Loop
Output Resistance vs Temperature
I
vs LED Current
LED
I
CPO
Dropout Voltage
= 100mA
100
–15
V
W
IN
LED CURRENT (mA)
TEMPERATURE (°C)
= 3.6V
200
10
U
V
IN
= 2.9V
300
35
V
IN
= 4.5V
400
60
A
3216 G01
3216 G03
= 25°C. V
CONDITIONS
I
SET
500
85
The
= 50µA
●
IN
denotes the specifications which apply over the full operating
= 3.6V, C
Note 3: The LTC3214E is guaranteed to meet performance specifications
from 0°C to 70°C. Specifications over the –40°C to 85°C ambient
operating temperature range are assured by design, characterization and
correlation with statistical process controls.
IN
600
500
400
300
200
100
5
4
3
2
1
0
0
= C1 = C2 = 2.2µF, C
–40
0
2x Mode Charge Pump
Open-Loop Output Resistance
(2V
I
V
C
C
LED
IN
IN
CPO
IN
50
= 3.6V
= C1 = C2 = 2.2µF
(T
vs R
= 4.7µF
– V
–15
A
100
= 25°C unless otherwise specified)
CPO
SET
TEMPERATURE (°C)
150
)/I
10
R
CPO
SET
200 250
(kΩ)
●
●
vs Temperature
CPO
35
= 4.7µF.
1.18
MIN
300 350 400
60
3216 G05
1573 G02
1.21
TYP
85
LTC3214
MAX
1.24
184
UNITS
3
3214f
µA
V