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参数资料
| 型号： | LTC3220IPF#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 4/20页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR QVGA DISPLAY 28UTQFN |
| 标准包装： | 91 |
| 拓扑： | 开路漏极，升压（升压），切换式电容器（充电泵） |
| 输出数： | 18 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | LED 闪烁器 |
| 频率： | 850kHz ~ 1.05MHz |
| 电源电压： | 2.9 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-UFQFN 裸露焊盘 |
| 供应商设备封装： | 28-UTQFN（4x4）裸露焊盘 |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 125°C |
LTC3220/LTC3220-1
ELECTRICAL CHARACTERISTICS The l 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, DV CC = 3V, RST = high, C1 = C2 = C3 = 2.2μF, C4 = 4.7μF,
unless otherwise noted.
SYMBOL
t HD,DAT(OUT)
PARAMETER
Data Hold Time
CONDITIONS
MIN
0
TYP
MAX
900
UNITS
ns
t HD,DAT(IN)
t SU,DAT
t LOW
t HIGH
Input Data Hold Time
Data Setup Time
Clock Low Period
Clock High Period
0
100
1.3
0.6
ns
ns
μs
μs
t f
t r
t SP
Clock Data Fall Time
Clock Data Rise Time
Spike Supression Time
20
20
300
300
50
ns
ns
ns
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: Based on long term current density limitations.
Note 3: The LTC3220E/LTC3220E-1 are guaranteed to meet performance
speci?cations from 0°C to 85°C. Speci?cations over the –40°C to 85°C
operating temperature range are assured by design, characterization and
correlation with statistical process controls. The LTC3220I/LTC3220I-1
are guaranteed to meet performance speci?cations over the full –40°C to
125°C operating temperature range.
Note 4: These devices include overtemperature protection that is intended
to protect the devices during momentary overload conditions. Junction
temperatures will exceed 125°C when overtemperature protection is
active. Continuous operation above the speci?ed maximum operating
junction temperature may result in device degradation or failure.
Note 5: 1.5x mode output impedance is de?ned as (1.5V IN – V CPO )/I OUT .
2x mode output impedance is de?ned as (2V IN – V CPO )/I OUT .
Note 6: All values are referenced to V IH and V IL levels.
Note 7: Guaranteed by design.
TYPICAL PERFORMANCE CHARACTERISTICS
T A = 25°C unless otherwise noted.
Mode Switch Dropout Times
2
1.5
1.5x Mode CPO Ripple
2x Mode CPO Ripple
V CPO
1V/DIV
1
V CPO
20mV/DIV
AC COUPLED
V CPO
20mV/DIV
AC COUPLED
V IN = 3.6V
250μs/DIV
3220 G01
V IN = 3.6V
I CPO = 200mA
C CPO = 4.7μF
500ns/DIV
3220 G02
V IN = 3.6V
I CPO = 200mA
C CPO = 4.7μF
500ns/DIV
3220 G03
32201fc
4
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| LTC3220IPF-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:360mA Universal 18-Channel LED Driver |
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