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参数资料
| 型号： | BD6066EKN-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 5/18页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WHITE BCKLT 28-HVQFN |
| 标准包装： | 1 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 4 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 800kHz ~ 1.2MHz |
| 电源电压： | 2.7 V ~ 22 V |
| 输出电压： | 40.5V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-VFQFN 裸露焊盘 |
| 供应商设备封装： | 28-HQFN |
| 包装： | 标准包装 |
| 工作温度： | -30°C ~ 85°C |
| 产品目录页面： | 1371 (CN2011-ZH PDF) |
| 其它名称： | BD6066EKN-E2DKR |
BD6066GU,BU6066EKN
● Block diagram, I/O equivalent circuit diagram
Technical Note
VBAT
VREG
VBAT
VREG
VBAT
EN1
VIN detector
UVLO
EN2
PWM
Clump
Clump
REG
Internal Power suplly
SBD Open protect
+
-
VDET
PIN
GND
PIN
PIN
GND
TSD
A
B
C
over voltage protect
+
VBAT
VBAT
VBAT VREG
-
-
SW
Q
S
R
Control
sence
PWMcomp
-
+
ERRAMP
-
-
-
+
LED1
PIN
GND
PIN
GND
5.5V
Clump
PIN
GND
5.5V
Clump
SENSP
SENSN
Current
Sence
+
OSC
LED2
LED3
D
VBAT VREG
E
F
LED TERMINAL
Over Voltage Protect
ISET
Resistor driver
Current Driver
LED4
PIN
GND
GND
GND TEST
ISET
G
● Pin assignment table
Fig.23 Block diagram
Fig.24 I/O equivalent circuit diagram
PIN Name
In/Out
PIN number
BD6066GU BD6066EKN
Function
Terminal equivalent
circuit diagram
SENSN
GND
VDET
N.C.
N.C.
ISET
TEST
N.C.
LED4
LED3
N.C.
LED2
LED1
N.C.
EN1
N.C.
EN2
N.C.
VBAT
VREG
PWM
N.C.
GND
N.C.
VREG
SW
SENSP
GND
In
-
In
-
-
In
In
-
In
In
-
In
In
-
In
-
In
-
In
Out
In
-
-
-
Out
Out
In
-
A1
A2
C3
-
-
A3
A4
-
A5
B5
-
C5
D5
-
E5
-
E3
-
E4
E2
E1
-
D1
-
-
C1
B1
-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
- Side Current sense terminal
GND
Detect input for SBD open and OVP
No connect pin
No connect pin
Resistor connection for LED current setting
TEST input (Pull down 100k ? to GND)
No connect pin
Current sink for LED4
Current sink for LED3
No connect pin
Current sink for LED2
Current sink for LED1
No connect pin
Enable input 1
No connect pin
Enable input 2
No connect pin
Battery input
Regulator output / Internal power-supply
PWM input
No connect pin
GND
No connect pin
Regulator output / Internal power-supply
Switching Tr drive terminal
+ Side Current sense terminal
GND
A
B
C
-
-
A
G
-
C
C
-
C
C
-
E
-
E
-
C
D
F
-
B
-
D
G
G
B
www.rohm.com
? 2011 ROHM Co., Ltd. All rights reserved.
5/15
2011.06 - Rev.B
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