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参数资料
| 型号： | BD6081GVW-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 29/38页 |
| 文件大小： | 0K |
| 描述： | IC LED DRIVER BACKLIGHT 63SBGA |
| 标准包装： | 2,000 |
| 恒定电流： | 是 |
| 拓扑： | 线性（LDO），切换式电容器（充电泵） |
| 输出数： | 14 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | RGB |
| 频率： | 800kHz ~ 1.2MHz |
| 电源电压： | 2.7 V ~ 5.5 V |
| 输出电压： | 5.5V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 63-VFBGA |
| 供应商设备封装： | VBGA063W050 |
| 包装： | 带卷 (TR) |
| 工作温度： | -25°C ~ 85°C |
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BD6081GU,BD6081GVW
3. DC/DC
Start up
DC/DC circuit operates when either LED turns ON.
(But, when LED connection is set to DC/DC output (VOUT) only.)
DC/DC circuit has soft start function to prevent a rush current.
VBAT and VIO sequence is as follow.
VBAT
T VBATON
VIO
T VIOON=min 0.1ms
RESET
T VBATOFF
T VIOOFF=min 1ms
Technical Note
T RSTB=min 0.1ms
T RST=min 0ms
EN (*)
T SOFT
VOUT
LED Current
(*) An EN signal means the following in the upper figure.
EN = “MLEDEN” or “SLEDEN” or “RGB1STA” or “RGB2STA”
(= LED The LED lighting control of a setup of connection VOUT)
But, as for VBAT < 2.2V (typ) or Ta > T TSD (typ : 195° C), a protection function functions, and an EN signal doesn't become effective.
Mode transition
The transition of boosts multiple transits automatically by the VBAT voltage and the voltage of the LED electric current
inflow pin.
STANDBY
ALL off
Condition: 1
1
SOFT
MLEDEN= ”1” or SLEDEN= ”1” or RGB*STA= ”1”
（ But, LED connection= It is limited to the LED lighting control of a setup of VOUT. ）
and
VBAT>2.2V(typ) and Ta<T TSD
CP x1.0 mode
VOUT>1.5V(typ) After it is detected, 128us(typ) wait
mode down= ”H”
mode down= ”H ”
X1.0
X1.5
X2.0
CP x1.0 mode
mode up=”H”
CP x1.5mode
mode up=”H ”
CP x2.0mode
Over voltage protection / Over current protection
DC/DC circuit output (VOUT) is equipped with the over-voltage protection and the over current protection function.
A VOUT over-voltage detection voltage is about 6.0V. ( VOUT at the time of rise in a voltage )
A detection voltage has a hysteresis, and a detection release voltage is about 5.75V. (Design reference value)
And, when VOUT output short-circuits in GND, drain electric current is controlled by an over current protection function.
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? 2011 ROHM Co., Ltd. All rights reserved.
29/35
2011.04 - Rev.A
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| BD6083GUL-E2 | 功能描述:IC LED DRIVER BKLT 36VCSP50L3 RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极，PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
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