參數(shù)資料
型號(hào): LTC3215EDD
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 700mA Low Noise High Current LED Charge Pump
中文描述: 1 A SWITCHED CAPACITOR REGULATOR, PDSO10
封裝: 3 X 3 MM, PLASTIC, MO-229-WEED-2, DFN-10
文件頁(yè)數(shù): 3/12頁(yè)
文件大?。?/td> 162K
代理商: LTC3215EDD
LTC3215
3
3215f
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
350mA.
Note 3:
The LTC3215E 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.
TYPICAL PERFOR U
I
LED
Dropout Voltage
vs LED Current
I
LED
Pin Current
vs I
LED
Pin Voltage
I
LED
vs R
SET
LED CURRENT (mA)
0
200
D
400
800
600
3216 G01
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
I
LED
PIN VOLTAGE (V)
0
I
L
600
500
400
300
200
100
0
0.2
0.4
0.6
0.8
3216 G02
1.0
TEMPERATURE (
°
C)
–40
O
)
10
60
85
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
3216 G05
–15
35
–40
10
60
85
–15
35
TEMPERATURE (
°
C)
O
)
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
3216 G06
I
LED
= 500mA
400mA
300mA
200mA
100mA
V
IN
= 3V
V
CPO
= 4.2V
C
IN
= C1 = C2 = 2.2
μ
F
C
CPO
= 4.7
μ
F
V
IN
= 3V
V
CPO
= 4.8V
C
IN
= C1 = C2 = 2.2
μ
F
C
CPO
= 4.7
μ
F
TEMPERATURE (
°
C)
–40
O
)
35
85
3216 G07
–15
10
60
0.31
0.29
0.27
0.25
0.23
0.21
0.19
0.17
0.15
I
CPO
= 200mA
V
IN
= 3.6V
V
IN
= 3.3V
V
IN
= 3.9V
V
IN
= 3.6V
R
SET
(k
)
I
L
1573 G06
1000
800
600
400
200
0
0
10
20
25
5
15
30
35
40
1.5x Mode Charge Pump
Open-Loop Output Resistance
(1.5V
IN
– V
CPO
)/I
CPO
vs Temperature
2x Mode Charge Pump
Open-Loop Output Resistance
(2V
IN
– V
CPO
)/I
CPO
vs Temperature
1x Mode Charge Pump Open-Loop
Output Resistance vs Temperature
(T
A
= 25
°
C unless otherwise specified)
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
IN
= 3.6V, C
IN
= C1 = C2 = 2.2
μ
F, C
CPO
= 4.7
μ
F.
The
denotes the specifications which apply over the full operating
PARAMETER
I
SET
V
ISET
I
ISET
CONDITIONS
MIN
TYP
MAX
UNITS
I
SET
= 50
μ
A
1.195
1.22
1.245
225
V
μ
A
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LTC3216 制造商:LINER 制造商全稱:Linear Technology 功能描述:700mA Low Noise High Current LED Charge Pump
LTC3216EDE 制造商:Linear Technology 功能描述:LED DRVR 1Segment 3.3V 12-Pin DFN EP