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参数资料
| 型号： | LTC3230EUD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 5/16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
TYPICAL PERFORMANCE CHARACTERISTICS
2x Mode Charge Pump Open-Loop
1.5x Mode CPO Voltage
vs Load Current
Output Resistance vs Temperature
(2V IN – V CPO )/I CPO
2x Mode CPO Voltage
vs Load Current
4.8
4.6
C1 = C2 = C6 = 1 μ F
V IN = 3.3V
V IN = 3.4V
12
11
V IN = 3V
V CPO = 4.8V
C1 = C2 = C6 = 1 μ F
5.1
5.0
4.9
C1 = C2 = C6 = 1 μ F
V IN = 3.6V
4.4
V IN = 3.5V
10
4.8
4.2
4.0
3.8
V IN = 3.2V
V IN = 3.1V
V IN = 3V
V IN = 3.6V
9
8
7
4.7
4.6
4.5
4.4
4.3
V IN = 3.5V
V IN = 3.4V
V IN = 3.3V
V IN = 3.2V
V IN = 3.1V
V IN = 3V
3.6
0
50 100 150
200
6
–40
–15
10 35
60
85
4.2
0
50
100
150
200
LOAD CURRENT (mA)
3230 G07
MLED/SLED Pin Dropout Voltage
vs MLED/SLED Pin Current
TEMPERATURE ( ° C)
Oscillator Frequency
vs V IN Voltage
3230 G08
LOAD CURRENT (mA)
V IN Shutdown Current
vs V IN Voltage
3230 G09
160
140
120
100
V IN = 3.6V
1000
980
960
940
920
T A = 85 ° C
5.0
4.5
4.0
3.5
3.0
T A = 25 ° C
T A = 85 ° C
T A = –40 ° C
80
60
40
20
900
880
860
840
820
T A = 25 ° C
T A = –40 ° C
2.5
2.0
1.5
1.0
0.5
0
0
5
10
15
20
25
800
2.7
3.2
3.7
4.2
4.7
5.2
0
2.7
3.7
4.7
MLED/SLED PIN CURRENT (mA)
3230 G10
1x Mode No-Load V IN Current vs
V IN Voltage
V IN (V)
3230 G11
1.5x Mode Supply Current vs I CPO
(I VIN – 1.5I CPO )
V IN (V)
3230 G12
2x Mode Supply Current vs I CPO
(I VIN – 2I CPO )
580
560
R SET = 17.4k
7
6
V IN = 3.6V
5
V IN = 3.6V
540
520
5
4
500
480
4
3
3
2
460
2
440
420
1
1
400
2.8
3.2
3.6
4
4.4
4.8
5.2
0
0
50
100
150
0
0
50
100
150
V IN (V)
3230 G13
LOAD CURRENT (mA)
3230 G14
LOAD CURRENT (mA)
3230 G15
3230fa
5
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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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