参数资料
型号: MAX8596ZETA+T
厂商: Maxim Integrated
文件页数: 4/10页
文件大小: 0K
描述: IC LED DRIVR WHITE BCKLGT 8-TDFN
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: PWM,升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 背光
类型 - 次要: 白色 LED
频率: 1MHz
电源电压: 2.6 V ~ 6 V
输出电压: 36V
安装类型: 表面贴装
封装/外壳: 8-WDFN 裸露焊盘
供应商设备封装: 8-TDFN-EP(3x3)
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
High-Efficiency, 36V Step-Up Converters
with T A Derating Option for 2 to 9 White LEDs
Typical Operating Characteristics
(Circuit of Figure 1, V IN = 3.6V, I LED = 25mA, L = 22μH, C IN = 2.2μF, C OUT = 0.1μF, C COMP = 0.1μF, R SENSE = 13 ? , 4 LEDs, T A = +25°C,
unless otherwise noted.)
100
95
EFFICIENCY
vs. INPUT VOLTAGE
90
EFFICIENCY
vs. LED CURRENT
6 LEDs
90
3 LEDs
85
85
80
75
70
65
60
4 LEDs
6 LEDs
8 LEDs
80
75
70
65
8 LEDs
3 LEDs
55
50
60
2
3
4
5
6
0
5
10
15
20
25
30
30
INPUT VOLTAGE (V)
LED CURRENT
vs. DIRECT-PWM DIMMING
26
LED CURRENT (mA)
LED CURRENT
vs. AMBIENT TEMPERATURE
24
MAX8596,
25
20
15
10
22
20
18
16
14
I LED = 25mA AT T A = +25 ° C
MAX8595,
I LED = 15mA
12
5
10
0
8
0
20
40
60
80
100
-40
-20
0
20
40
60
80
100
V IN
DUTY CYCLE (%)
SWITCHING WAVEFORMS
MAX8595X toc05
20mV/div
TEMPERATURE ( ° C)
SOFT-START AND SHUTDOWN RESPONSE
MAX8595X toc06
AC-COUPLED
V CTRL
2V/div
V LX
V OUT
I L
500ns/div
10V/div
200mV/div
AC-COUPLED
100mA/div
I IN
I LED
V OUT
20ms/div
0
100mA/div
0
40mA/div
0
10V/div
0
4
_______________________________________________________________________________________
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