参数资料
型号: MAX1578ETG+
厂商: Maxim Integrated Products
文件页数: 12/13页
文件大小: 0K
描述: IC PS BIAS/WHITE LED TFT 24-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 75
应用: LCD 显示器
电流 - 电源: 3mA
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-WFQFN 裸露焊盘
供应商设备封装: 24-TQFN-EP(4x4)
包装: 管件
Complete Bias and White LED Power Supplies
for Small TFT Displays
Table 1. Recommended Components for
the Typical Application Circuit
DESIGNATION
C1, C8
C2
C3
C4, C5, C12
C6, C7
C9, C10, C11,
C13, C14
D1
D2–D7
DESCRIPTION
4.7μF, 6.3V X5R ceramic capacitors (0603)
Murata GRM188R60J475KE19
0.1μF, 6.3V X5R ceramic capacitor (0402)
TDK C1005X5R1A104K
0.1μF, 50V X7R ceramic capacitor (0603)
TDK C1608X7R1H104K
1μF, 16V X7R ceramic capacitors (0805)
TDK C2012X7R1C105K
2.2μF, 6.3V X5R ceramic capacitors (0603)
Taiyo Yuden JMK107BJ225KA
1μF, 6.3V X5R ceramic capacitors (0402)
Murata GRM155R60J105KE19
40V, 0.5A Schottky diode
International Rectifier MBRX0540
White LEDs
Nichia NSCW215T
INPUT
2.7V TO 5.5V
C1
4.7 μ F
PWM OR
ANALOG
DIMMING
C2
0.1 μ F
ON
OFF
C6
2.2 μ F
C7
2.2 μ F
C8
4.7 μ F
MAIN OUTPUT
+5V, 25mA
C9
1 μ F
IN
CTRL
COMP
ONBIAS
C1P
C1N
C2P
C2N
V DD
MAIN
GND
L1
22 μ H
MAX1578
MAX1579
LX
OUT
PGND
CS
CU1
PMP
CD1
CU2
PMPB
CD2
POS
CU3
NEG
D1
C10
1 μ F
C13
1 μ F
C11
1 μ F
C14
1 μ F
C12
1 μ F
C3
0.1 μ F
R2
200 Ω
R3
200 Ω
OUTPUT UP TO
8 LEDS IN SERIES
D2–D7
R1
22.1 Ω
POSITIVE OUTPUT
+15V, 100 μ A
C4
1 μ F
NEGATIVE OUTPUT
-10V, 100 μ A
L1
R1
R2, R3
22μH, 250mA inductor (1210)
Murata LQH32CN220K53
22.1 Ω ±1% resistor (0402)
200 Ω ±5% resistors (0402)
C5
1 μ F
Figure 3. Typical Application Circuit
Ordering Information (continued)
PART
MAX1579 ETG
MAX1579ETG+
TEMP RANGE
-40 ° C to +85 ° C
-40 ° C to +85 ° C
PIN-PACKAGE
24 Thin QFN 4mm x 4mm
(T2444-4)
24 Thin QFN 4mm x 4mm
(T2444-4)
+ Denotes lead-free package.
12
______________________________________________________________________________________
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MAX1578ETG+ 功能描述:LED照明驱动器 Cmplete Bias & White LED Power Supply RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX1578ETG+T 功能描述:LED照明驱动器 Cmplete Bias & White LED Power Supply RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX1578ETG-T 功能描述:LED照明驱动器 Cmplete Bias & White LED Power Supply RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX1579ETG 功能描述:LED照明驱动器 RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N
MAX1579ETG+ 功能描述:LED照明驱动器 Cmplete Bias & White LED Power Supply RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N