参数资料
型号: LTC3215EDD#TR
厂商: Linear Technology
文件页数: 4/14页
文件大小: 0K
描述: IC LED DRIVR WHITE BCKLGT 10-DFN
标准包装: 2,500
拓扑: PWM,升压(升压),切换式电容器(充电泵)
输出数: 1
内部驱动器:
类型 - 主要: 背光,闪灯/白光
类型 - 次要: 白色 LED
频率: 600kHz ~ 1.2MHz
电源电压: 2.9 V ~ 4.4 V
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘
供应商设备封装: 10-DFN(3x3)
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
LTC3215
TYPICAL PERFORMANCE CHARACTERISTICS
(T A = 25°C unless otherwise specified)
V IN = 3.6V
C CPO = 4.7μF
V IN = 3V
V CPO = 4.8V
C CPO = 4.7μF
0.31
0.29
0.27
0.23
0.21
0.19
0.17
0.15
1x Mode Charge Pump Open-
Loop Output Resistance vs
Temperature
I CPO = 200mA
V IN = 3.3V
0.25 V IN = 3.9V
–40 –15 10 35 60
TEMPERATURE (°C)
85
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.2 C IN = C1 = C2 = 2.2μF
0
1.5x Mode Charge Pump
Open-Loop Output Resistance (1.5V-
IN – V CPO )/I CPO vs Temperature
0.4 V IN = 3V
V CPO = 4.2V
–40 –15 10 35 60 85
TEMPERATURE (°C)
2x Mode Charge Pump
Open-Loop Output Resistance
(2V IN – V CPO )/I CPO vs Temperature
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2 C IN = C1 = C2 = 2.2μF
0
–40 –15 10 35 60 85
TEMPERATURE (°C)
3216 G04
3216 G05
3216 G06
4.0
Input Shutdown Current
vs Input Voltage
930
Oscillator Frequency
vs Supply Voltage
100
Efficiency vs V IN
3.5
3.0
2.5
2.0
1.5
1.0
T A = 85°C
T A = 25°C
T A = –40°C
920
910
900
890
880
870
860
T A = 25°C
T A = –40°C
T A = 85°C
90
80
70
60
50
40
30
20
200mA
400mA
600mA
0.5
0
2.9
3.1 3.3
3.5 3.7 3.9
INPUT VOLTAGE (V)
4.1
4.3
4.5
850
840
2.9
3.1 3.3 3.5 3.7 3.9 4.1
SUPPLY VOLTAGE (V)
4.3
4.5
10 LED = LXCL-PWF1 LUMILEDS
V F = 3V TYP AT 200mA
0
2.8 3.0 3.2 3.4 3.6 3.8
V IN (V)
4.0
4.2
4.4
V CPO
50mV/DIV
A/C COUPLED
3216 G07
1.5x Mode CPO Output Ripple
V CPO
20mV/DIV
A/C COUPLED
3216 G08
2x Mode CPO Output Ripple
3216 G09
V IN = 3.6V
I CPO = 200mA
500ns/DIV
3216 G10
V IN = 3.6V
I CPO = 400mA
500ns/DIV
3216 G11
3215fc
4
相关PDF资料
PDF描述
P51-1500-S-R-I36-20MA-000-000 SENSOR 1500PSIS M12 4-20 MA
REC3-0505SRW/H4/A/CTRL CONV DC/DC 3W 4.5-9VIN 05VOUT
LTC3215EDD IC LED DRIVR WHITE BCKLGT 10-DFN
LTC3210EUD-1#TRPBF IC LED DRIVR WHITE BCKLGT 16-QFN
P51-200-S-R-D-4.5V-000-000 SENSOR 200PSI M12-1.0 6G .5-4.5V
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