参数资料
型号: MAX16809ATU+T
厂商: Maxim Integrated
文件页数: 8/20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
Typical Operating Characteristics (continued)
(V CC = +15V, V+ = 3V to 5.5V, R T = 10k Ω , C T = 3.3nF, V REF = COMP = open, C REF = 0.1μF, V FB = 2V, CS = AGND = PGND = 0V.
Typical values are at T A = +25°C, unless otherwise noted.)
CURRENT-SENSE TRIP THRESHOLD
vs. TEMPERATURE
TIMING RESISTANCE
vs. OSCILLATOR FREQUENCY
OUT IMPEDANCE vs. TEMPERATURE
(R DS_ON PMOS DRIVER)
0.40
0.38
0.36
0.34
0.32
0.30
1000
100
10
C T = 1nF
C T = 560pF
C T = 220pF
C T = 100pF
5.0
4.8
4.6
4.4
4.2
4.0
3.8
3.6
3.4
I SOURCE = 100mA
0.28
3.2
0.26
0.24
0.22
0.20
1
0.1
C T = 10n    F
C T = 4.7nF
C T = 3.3nF
C T = 2.2nF
3.0
2.8
2.6
2.4
2.2
2.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
10k
100k
1M
10M
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE ( ° C)
OUT IMPEDANCE vs. TEMPERATURE
(R DS_ON NMOS DRIVER)
FREQUENCY (Hz)
PROPAGATION DELAY FROM CURRENT-LIMIT
COMPARATOR TO OUT vs. TEMPERATURE
TEMPERATURE ( ° C)
ERROR-AMPLIFIER OPEN-LOOP GAIN
AND PHASE vs. FREQUENCY
10
9
8
7
6
5
4
3
2
1
0
I SINK = 200mA
100
90
80
70
60
50
40
30
20
10
0
140
120
100
80
60
40
20
0
-20
GAIN
MAX16809 toc14
PHASE
10
-15
-40
-65
-90
-115
-140
-165
-190
-40 -25 -10 5 20 35 50 65 80 95 110 125
-40 -25 -10 5 20 35 50 65 80 95 110 125
0.01 1
10 100 1k
10k 100k 1M 10M 100M
2.3
TEMPERATURE ( ° C)
COMP VOLTAGE LEVEL TO TURN
OFF DEVICE vs. TEMPERATURE
7.0
TEMPERATURE ( ° C)
SUPPLY CURRENT
vs. OSCILLATOR FREQUENCY
FREQUENCY (Hz)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
(INTERFACE IDLE, ALL OUTPUTS OFF, R SET = 720 Ω )
2.00
2.2
V CC = 15V
6.5
C T = 100pF
T A = +125°C
T A = +85 ° C
6.0
2.1
5.5
1.95
2.0
5.0
T A = +125°C
T A = +25 ° C
1.9
1.8
1.7
4.5
4.0
3.5
T A = -40 ° C
1.90
1.85
T A = -40 ° C
3.0
1.6
2.5
1.5
2.0
1.80
-40 -25 -10 5 20 35 50 65 80 95 110 125
20 120 220 320 420 520 620 720 820 920 1020
3.0
3.5
4.0
4.5
5.0
5.5
TEMPERATURE ( ° C)
FREQUENCY (kHz)
SUPPLY VOLTAGE (V)
8
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