参数资料
型号: PCA9685BS,118
厂商: NXP Semiconductors
文件页数: 42/51页
文件大小: 0K
描述: IC LED DVR PWM 16CH HVQFN28
产品培训模块: I²C Bus Fundamentals
标准包装: 1
拓扑: 开路漏极,PWM
输出数: 16
内部驱动器:
类型 - 主要: 背光,LED 闪烁器
类型 - 次要: RGBA
频率: 25MHz,50MHz
电源电压: 2.3 V ~ 5.5 V
输出电压: 5.5V
安装类型: 表面贴装
封装/外壳: 28-VQFN 裸露焊盘
供应商设备封装: 28-HVQFN(6x6)
包装: 标准包装
工作温度: -40°C ~ 85°C
其它名称: 568-5305-6
NXP Semiconductors
PCA9685
16-channel, 12-bit PWM Fm+ I 2 C-bus LED controller
14. Test information
V DD
open
PULSE
GENERATOR
V I
V DD
DUT
V O
RL
500 Ω
V SS
RT
CL
50 pF
002aab880
R L = Load resistor for LEDn.
C L = Load capacitance includes jig and probe capacitance.
R T = Termination resistance should be equal to the output impedance Z o of the pulse generators.
Fig 34. Test circuitry for switching times
S1
V DD × 2
open
PULSE
GENERATOR
V I
V DD
DUT
V O
RL
500 Ω
V SS
RT
CL
50 pF
RL
500 Ω
002aad811
R L = Load resistor for LEDn.
C L = Load capacitance includes jig and probe capacitance.
R T = Termination resistance should be equal to the output impedance Z o of the pulse generators.
Test data are given in Table 15 .
Fig 35. Test circuitry for switching times for enable/disable
Table 15.
Test data for enable/disable switching times
Test
Load
C L
R L
Switch
t PD
t PLZ , t PZL
t PHZ , t PZH
50 pF
50 pF
50 pF
500 Ω
500 Ω
500 Ω
open
V DD × 2
V SS
PCA9685
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 2 September 2010
? NXP B.V. 2010. All rights reserved.
42 of 51
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