参数资料
型号: MSL3167GU
厂商: Atmel
文件页数: 7/16页
文件大小: 0K
描述: IC LED DRIVER 16 STRING
产品培训模块: Industrial Panel Backlighting Driver ICs
LED Lighting Drivers
LED Driver Basics
标准包装: 1,000
系列: Adaptive SourcePower™
拓扑: 交直流离线开关,PWM
输出数: 16
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 16MHz ~ 23MHz
电源电压: 4.75 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 32-SOIC(0.295",7.50mm 宽)
供应商设备封装: 32-SOP
包装: 管件
工作温度: -40°C ~ 85°C
Atmel LED Drivers-MSL3167/MSL3168
16-string, White LED Drivers with Adaptive Power Control,
Simple PWM Dimming Interface, and Fault Handling
PARAMETER
SYMBOL
CONDITIONS AND NOTES
MIN
TYP
MAX
UNIT
Input high voltage SDA, SCL, PWM
Input low voltage SDA, SCL, PWM
Input high voltage: EN
Input low voltage: EN
V IH
V IL
0.7 x
VDD
1.22
0.3 x
VDD
0.8
V
V
V
V
Output low voltage: SDA, FLTB
ILED regulation voltage
V OL
I SINK = 5mA
R ILED = 38.3k?
350
0.4
V
mV
FBO feedback output current
FBO feedback output current step size
V FBO ≤ VIN – 0.5V
0
1.1
365
μA
μA
STR0 thru STR15 sink current
STR0 to STR15 string sink
current maximum
R ILED = 38.3k?, ISTR = 0xF F, V STRn = 1V
R ILED = 25.5k?, ISTR = 0xFF (Note 1)
18
20
30
22
mA
mA
STR0 to STR15 string-off leakage current
10
μA
STR0 thru STR15 current
load regulation
R ILED = 38.3k?, ISTR = 0xFF,
FLDBKEN = 0, V STRn = 1V t o 5V
0.033
%/V
STR0 to STR15 current matching
ISTR = 0xFF, R ILED = 38.3k ?, V STRn = 1V
-5
5
%
STR0 to STR15 minimum headroom
V STR
R ILED = 38.3k?, ISTR = 0xF F
150
mV
STR0 to STR15 short circuit fault
detection threshold
STR0 thru STR15 current slew rate
Thermal shutdown temperature
SC REF
Current rising (Note 2)
Current falling (Note 2)
(Note 2)
8.4
200
8,000
135
V
mA/μs
°C
PARAMETER
SYMBOL
CONDITIONS AND NOTES
MIN
TYP
MAX
UNIT
AC ELECTRICAL CHARACTERISTICS
PWM frequency
PWM duty cycle
f PWM
0
50
100
kHz
%
I2C TIMING CHARACTERISTICS
SCL clock frequency
Bus timeout period
STOP to START condition bus free time
Repeated START condition hold time
Repeated START condition setup time
STOP condition set-up time
SDA data hold time
SDA data valid acknowledge time
SDA data valid time
1/t SCL
t ti m e o u t
t BUF
t H D :S TA
t S U :S TA
t S U :S TO P
t HD:DAT
t VD:ACK
t VD:DAT
Bus timeout disabled (Note 3)
OSCCTRL = 0x04
f OSC = 16MHz to 23MHz
(Note 4)
(Note 5)
0
0.5
0.26
0.26
0.26
0
0.05
0.05
30
600,000 / f OSC
1
0.45
0.45
MHz
ms
s
μs
μs
μs
μs
ns
μs
μs
Atmel LED Drivers-MSL3167/MSL3168
7
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