参数资料
型号: MAX16838AUP+
厂商: Maxim Integrated
文件页数: 10/21页
文件大小: 0K
描述: IC LED DRIVR HIGH BRIGHT 20TSSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 74
恒定电流:
拓扑: 线性(LDO),PWM,SEPIC,递升(升压)
输出数: 2
内部驱动器:
类型 - 主要: 车载,背光
类型 - 次要: 高亮度 LED(HBLED)
频率: 200kHz ~ 2MHz
电源电压: 4.75 V ~ 40 V,4.55 V ~ 5.5 V
输出电压: 4.75 V ~ 5.25 V
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)裸露焊盘
供应商设备封装: 20-TSSOP-EP
包装: 管件
工作温度: -40°C ~ 125°C
MAX16838
Integrated, 2-Channel, High-Brightness LED Driver
with High-Voltage Boost and SEPIC Controller
Pin Description (continued)
TQFN
16
PIN
TSSOP
19
NAME
DIM
Digital PWM Dimming Input
FUNCTION
Current-Sense Input. CS is the current-sense input for the switching regulator and is
17
20
CS
also connected to the source of the internal power MOSFET. Connect a sense resistor
from CS to PGND to set the switching current limit.
18
19
20
1
2
3
DRAIN
GATE
PGND
Internal Switching MOSFET Drain Output
Internal Switching MOSFET Gate Input. Connect GATE to NDRV directly or through a
resistor to control the rise and fall times of the gate drive.
Power Ground. PGND is the high-switching current return path connection. Connect
SGND, LEDGND, and PGND at a single point.
Exposed Pad. EP is internally connected to SGND. Connect EP to a large-area
EP
contiguous ground plane for effective power dissipation. Connect EP to SGND.
Do not use as the only ground connection.
10
Maxim Integrated
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