参数资料
型号: TLC5945RHBT
厂商: Texas Instruments
文件页数: 5/30页
文件大小: 0K
描述: IC LED DRIVER LINEAR 32-QFN
标准包装: 250
恒定电流:
拓扑: PWM
输出数: 16
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 颜色
频率: 30MHz
电源电压: 3 V ~ 5.5 V
输出电压: 17V
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: 32-QFN 裸露焊盘(5x5)
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C

TLC5945
www.ti.com
SLVS755 – MARCH 2007
Table 1. Test Parameter Equations
D (%) =
D (%) =
I OUTn - I OUTavg _ 0 - 15
I OUTavg _ 0 - 15
I OUTavg - I OUT (IDEAL )
I OUT ( IDEAL )
′ 100
′ 100
(1)
(2)
I OUT ( IDEAL ) = 31 . 5 ′ ? ?
÷ ÷
? 1 . 24 V ?
è R IREF ?
(3)
D (% / V ) =
(I OUTn at V CC = 5 .5 V ) - (I OUTn at V CC = 3 .0 V )
( I OUTn at V CC = 3 . 0 V )
100
2 . 5
(4)
( I OUTn at V OUTn = 3 . 0 V ) - ( I OUTn at V OUTn = 1 . 0 V ) 100
D (% / V ) =
( I OUTn at V OUTn = 1 . 0 V ) 2 . 0
(5)
SWITCHING CHARACTERISTICS
V CC = 3 V to 5.5 V, C L = 15 pF, T A = –40 ° C to 85 ° C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
t r0
t r1
t f0
t f1
t pd0
t pd1
t pd2
t pd3
t pd4
Rise time
Fall time
Propagation delay time
SOUT
OUTn, V CC = 5 V, T A = 60 ° C, DCn = 3Fh
SOUT
OUTn, V CC = 5 V, T A = 60 ° C, DCn = 3Fh
SCLK - SOUT (see Figure 6 )
BLANK - OUTn (see Figure 6 )
OUTn - XERR (see Figure 6 )
GSCLK - OUTn (see Figure 6 )
XLAT - I OUT (dot correction) (see Figure 6 )
10
10
16
30
16
30
30
60
1000
60
1000
ns
ns
ns
ns
ns
ns
ns
t on_err
Output on-time error
t outon – T gsclk (see Figure 6 ), GSn = 01h
–12
–3
0
ns
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