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| 型号： | LTC3230EUD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/16页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVR WHITE BCKLGT 20-QFN |
| 标准包装： | 121 |
| 拓扑： | 升压（升压），切换式电容器（充电泵） |
| 输出数： | 5 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 900kHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-WFQFN 裸露焊盘 |
| 供应商设备封装： | 20-QFN 裸露焊盘（3x3） |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 85°C |
| 产品目录页面： | 1340 (CN2011-ZH PDF) |
LTC3230
ABSOLUTE MAXIMUM RATINGS
(Notes 1-5)
V IN , CPO....................................................... –0.3V to 6V
ENM, ENS, ENLDO1, ENLDO2,
PIN CONFIGURATION
TOP VIEW
V1, V2, LDO1, LDO2 ...................... –0.3V to (V IN + 0.3V)
I CPO (Note 2) ........................................................200mA
LD01, LD02 (Note 3)............................................200mA
MLED1-4, SLED, R SET .................................. –0.3V to 6V
Operating Ambient Temperature Range
CPO 1
ENLDO1 2
ENLDO2 3
R SET 4
ENS 5
20 19 18 17 16
21
15 LDO1
14 LDO2
13 V1
12 V2
11 ENM
(Note 4).................................................... –40°C to 85°C
6
7
8
9 10
Junction Temperature ........................................... 125°C
Storage Temperature Range................... –65°C to 150°C
UD PACKAGE
20-LEAD (3mm × 3mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 68°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LTC3230EUD#PBF
TAPE AND REEL
LTC3230EUD#TRPBF
PART MARKING
LCYB
PACKAGE DESCRIPTION
20-Lead (3mm × 3mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 85°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based ?nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel speci?cations, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS The ● denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V IN = 3.6V, C1 = C2 = C4 = C5 = C6 = 1μF, R SET = 17.4k, ENM = ENS =
high, ENLDO1 = ENLDO2 = low, unless otherwise noted.
PARAMETER
V IN Operating Voltage
I VIN Operating Current
CONDITIONS
I CPO = 0, 1x Mode
●
MIN
2.7
TYP
0.48
MAX
5.5
UNITS
V
mA
I CPO = 0, 1.5x Mode
I CPO = 0, 2x Mode
1.2
1.6
mA
mA
V IN Shutdown Current
ENM = ENS = ENLD02 = ENLD01 = Low
●
3
9
μA
MLED1, MLED2, MLED3, MLED4 and SLED Currents
LED Current Ratio (I LED /I RSET )
555
A/A
LED Dropout Voltage
LED Current Matching
MLED/SLED Current, 5-Bit Linear DAC
Mode Switch Threshold, I MLED = 15mA
Any Two MLED Outputs, I MLED = Full Scale
1 ENM/ENS Strobe (FS)
31 ENM/ENS Strobes (FS/31)
100
0.5
25.5
0.860
mV
%
mA
mA
Unused LED Detection
Threshold Voltage
Test Current
V CPO – MLED
LED Tied to CPO
●
●
200
39
780
178
mV
μA
3230fa
2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3230EUD-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:5-LED Main/Sub Display Driver with Dual LDO |
| LTC3240 | 制造商:LINER 制造商全称:Linear Technology 功能描述:3.3V/2.5V Step-Up/ Step-Down Charge Pump DC/DC Converter |
| LTC3240-2.5 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Wide VIN Range, Low Noise, 250mA Buck-Boost Charge Pump |
| LTC3240-3.3 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Wide VIN Range, Low Noise, 250mA Buck-Boost Charge Pump |
| LTC3240EDC-2.5 | 制造商:LINER 制造商全称:Linear Technology 功能描述:3.3V/2.5V Step-Up/ Step-Down Charge Pump DC/DC Converter |
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