Rohm Productdetail
最多可驱动11个串联LED的带PWM亮度控制的白色LED驱动器_BD60A00NUX
本IC是可恒电流驱动白色LED的升压DC/DC转换器。无电流参差的串联连接和电流模式实现了快速瞬态响应，使白色LED亮灯更稳定。将IC电源(2.7V～5.5V)和线圈电源(2.3V～20V)分开，可扩大输入范围，应对更多用途。产品除了LED灯数还可选择过电压设定，最多11灯为BD60A00NUX、最多6灯为BD60A60NUX。
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特性：
Topology
Boost
Number of Outputs
1
Vin(Min.)[V]
2.7
Vin(Max.)[V]
5.5
Output Current(Max.)[mA]
30.0
Per Channel Drive(Max.)[mA]
30.0
Switch Current Limit(Typ.)[A]
0.75
Vout(Max.)[V]
40.0
Frequency(Max.)[MHz]
0.6
LED Configuration
11
LDO
No
Auto Luminous Control
No
Synchronous
No
Integrated FET
Yes
Dimming
PWM / Analog
Peak Efficiency[%]
94
Iq(Typ.)[mA]
2.5
Ishutdown(Typ.)[µA]
0.1
Operating Temperature (Min.)[°C]
-40
Operating Temperature (Max.)[°C]
85
特点：
・Boost DC/DC converter・Drive 11 LEDs
・Brightness control by outside PWM signal
・Brightness control by DC input
・Soft start function (1ms typ.)
・Over voltage protection 42V typ.
・SBD open protection and output short protection
・Over current protection
・LED terminal over voltage protection
・Under voltage lockout (UVLO)