参数资料
型号: MAX16809ATU+T
厂商: Maxim Integrated
文件页数: 3/20页
文件大小: 0K
描述: IC LED DRVR WT/RGB BCKLT 38-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
恒定电流:
拓扑: 开路漏极,PWM,降压(降压),SEPIC,升压(升压)
输出数: 16
内部驱动器:
类型 - 主要: 背光
类型 - 次要: RGB,白色 LED
频率: 20kHz ~ 1MHz
电源电压: 8 V ~ 26.5 V
输出电压: 36V
安装类型: 表面贴装
封装/外壳: 38-WFQFN 裸露焊盘
供应商设备封装: 38-TQFN(5x7)
包装: 带卷 (TR)
工作温度: -40°C ~ 125°C
Integrated 16-Channel LED Driver with
Switch-Mode Boost and SEPIC Controller
ELECTRICAL CHARACTERISTICS (PWM CONTROLLER) (continued)
(V CC = +15V, V+ = +3V to +5.5V referenced to PGND, R T = 10k Ω , C T = 3.3nF, REF = open, COMP = open, C REF = 0.1μF, V FB = 2V,
CS = AGND, AGND = PGND = 0V; all voltages are measured with respect to AGND, unless otherwise noted. T J = T A = -40°C to
+125°C, unless otherwise noted. Typical values are at T A = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CURRENT-SENSE AMPLIFIER
Current-Sense Gain
Maximum Current-Sense Signal
Power-Supply Rejection Ratio
Current-Sense Input Bias Current
Current Sense to OUT Delay
A CS
V CS_MAX
PSRR
I CS
t PWM
(Notes 3, 4)
(Note 3)
12V ≤ V CC ≤ 25V
V COMP = 0V
50mV overdrive
2.85
0.275
3
0.300
70
-1
60
3.40
0.325
-2.5
V/V
V
dB
μA
ns
MOSFET DRIVER
OUT Low-Side On-Resistance
OUT High-Side On-Resistance
Source Current (Peak)
Sink Current (Peak)
Rise Time
Fall Time
V RDS_ONL
V RDS_ONH
I SOURCE
I SINK
t R
t F
I SINK = 200mA
I SOURCE =
100mA
C LOAD = 10nF
C LOAD = 10nF
C LOAD = 1nF
C LOAD = 1nF
T J = -40°C to +85°C (Note 2)
T J = -40°C to +125°C
T J = -40°C to +85°C (Note 2)
T J = -40°C to +125°C
4.5
4.5
3.5
3.5
2
1
15
22
10
12
7.5
10
Ω
Ω
A
A
ns
ns
UNDERVOLTAGE LOCKOUT/STARTUP
Startup Voltage Threshold
Minimum Operating Voltage After
Turn-On
Undervoltage-Lockout Hysteresis
V CC_START
V CC_MIN
UVLO HYST
7.98
7.1
8.4
7.6
0.8
8.82
8.0
V
V
V
PULSE-WIDTH MODULATION (PWM)
Maximum Duty Cycle
Minimum Duty Cycle
D MAX
D MIN
94.5
96
97.5
0
%
%
SUPPLY CURRENT
Startup Supply Current
Operating Supply Current
I START
I CC
V CC = 7.5V
V FB = V CS = 0V
32
3
65
5
μA
mA
V CC Zener Voltage
V Z
I CC = 25mA
24
26.5
V
_______________________________________________________________________________________
3
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