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参数资料
| 型号： | LTC3202EMS#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WHITE BCKLGT 10-MSOP |
| 标准包装： | 50 |
| 拓扑： | PWM，切换式电容器（充电泵） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 1.5MHz |
| 电源电压： | 2.7 V ~ 4.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 85°C |
LTC3202
ABSOLUTE
AXI U RATI GS
(Note 1)
V IN , V OUT to GND ......................................... –0.3V to 6V
D0, D1 ............................................. –0.3V to V IN + 0.3V
V OUT Short-Circuit Duration ............................. Indefinite
I OUT (Note 2)....................................................... 150mA
PACKAGE/ORDER I FOR ATIO
Operating Temperature Range (Note 3) ...–40 ° C to 85 ° C
Storage Temperature Range .................. –65 ° C to 150 ° C
Lead Temperature (Soldering, 10 sec).................. 300 ° C
ORDER PART
TOP VIEW
ORDER PART
TOP VIEW
NUMBER
D1
1
10 D0
NUMBER
D1 1
FB 2
V OUT 3
V IN 4
GND 5
10
9
8
7
6
D0
C2 +
C1 +
C1 –
C2 –
LTC3202EMS
FB
V OUT
V IN
SGND
2
3
4
5
11
9 C2 +
8 C1 +
7 C1 –
6 C2 –
LTC3202EDD
MS PACKAGE
10-LEAD PLASTIC MSOP
T JMAX = 150 ° C, θ JA = 120 ° C/W
MS PART MARKING
LTWL
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
T JMAX = 150 ° C, θ JA = 44 ° C/W, θ JC = 3 ° C/W
DD PART MARKING
LABB
EXPOSED PAD IS PGND (PIN 11) MUST BE
CONNECTED TO GROUND PLANE
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T A = 25 ° C. V IN = 3.3V unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Power Supply
V IN Operating Voltage
q
2.7
4.5
V
I CC Operating Current
I SHDN Shutdown Current
I OUT = 0mA, V OUT = 3.6V, V IN = D0 = D1 = 4.5V
V OUT = 0V
q
q
2.5
5
1
mA
μ A
Feedback Pin Set Points
0.2V Setting Feedback Voltage
0.4V Setting Feedback Voltage
0.6V Setting Feedback Voltage
I FB
D0 = 1, D1 = 0, I OUT = 0mA, V IN = 3.6V
D0 = 0, D1 = 1, I OUT = 0mA, V IN = 3.6V
D0 = 1, D1 = 1, I OUT = 0mA, V IN = 3.6V
V FB = 0.8V
q
q
q
q
188
380
570
–50
200
400
600
212
420
630
50
mV
mV
mV
nA
Charge Pump
R OL Open Loop Output Impedance (1.5V IN – V OUT )/I OUT
V OUT Load Regulation ( ? V OUT / ? I OUT )
V IN = 3.3V, V OUT = 4.4V, V FB = 0
I OUT = 10mA to 90mA, ? V FB / ? V OUT = 1
q
4.5
0.35
6
?
mV/mA
CLK Frequency
D0, D1
1.5
MHz
High Level Input Voltage (V IH )
Low Level Input Voltage (V IL )
q
q
1.3
0.4
V
V
Input Current (I IH )
Input Current (I IL )
DO, D1 = V IN
DO, D1 = 0V
q
q
–1
–1
1
1
μ A
μ A
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.
Note 3: The LTC3202E is guaranteed to meet performance specifications
from 0 ° C to 70 ° C. Specifications over the –40 ° C to 85 ° C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
3202fa
2
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