BD6581GU-E2 Rohm Semiconductor, BD6581GU-E2 Datasheet - Page 2

• Manufacturer Part Number: BD6581GU-E2
• Description: IC LED DVR WHT BCKLGHT VCSP85H2
• Manufacturer: Rohm Semiconductor
• Series: -r

Specifications of BD6581GU-E2

• Constant Current: -
• Constant Voltage: -
• Topology: PWM, Step-Up (Boost)
• Number Of Outputs: 6
• Internal Driver: Yes
• Type - Primary: Backlight
• Type - Secondary: White LED
• Frequency: 800kHz ~ 1.2MHz
• Voltage - Supply: 2.7 V ~ 22 V
• Voltage - Output: 44.7 V
• Mounting Type: *
• Package / Case: *
• Operating Temperature: -30°C ~ 85°C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

●Electrical Characteristic(Unless otherwise specified, VBAT=12V, RSTB=2.5V, Ta = +25 ℃)
BD6581GU
© 2010 ROHM Co., Ltd. All rights reserved.
www.rohm.com
Parameter
[FAILSEL,PWMDRV Terminal]
EN threshold voltage (Low)
EN threshold voltage (High) 1
EN threshold voltage (High) 2
EN terminal input current
[PWMPOW Terminal]
Low Input Voltage range
High Input Voltage range1
High Input Voltage range2
PWM pull down resistor
[RSTB Terminal]
Low Input Voltage range
High Input Voltage range1
High Input Voltage range2
Current Consumption
[Regulator]
VREG Voltage
Under Voltage Lock Out
[Switching Regulator]
Quiescent Current 1
Quiescent Current 2
Current Consumption
LED Control voltage
Over Current Limit voltage
SBD Open Protect
Switching frequency
Duty cycle limit
Over voltage limit
[Current driver]
LED maximum current
LED current accuracy
LED current matching
ISET voltage
LED current limiter
LED Terminal Over Voltage Protect LEDOVP
(*1) This parameter is tested with DC measurement.
RSTBH1
RSTBH2
PWMH1
PWMH2
ILACCU
Symbol
PWMR
RSTBL
PWML
ILMAX
ILOCP
IRSTB
ILMAT
VthH1
VthH2
VREG
UVLO
VLED
VthL
Duty
Ocp
Sop
fSW
Iset
Iq1
Iq2
Idd
Ovl
Iin
Min.
2.25
2.25
2.05
92.5
43.0
10.0
300
1.4
1.4
1.4
1.4
4.0
0.4
0.8
0.5
70
35
0
0
0
-
-
-
-
-
-
-
-
-
2/26
Limits
2.25
95.0
44.7
Typ.
11.5
500
100
5.0
0.6
4.6
1.0
0.6
8.3
2.5
2.5
3.4
0.5
89
60
-
-
-
-
-
-
-
-
-
-
-
VBAT
VBAT
VBAT
Max.
14.0
2.65
99.0
46.4
±1.5
13.0
700
134
130
0.2
5.0
0.2
5.0
0.2
5.0
6.0
3.4
5.1
0.6
0.1
1.2
0.7
10
25
±3
90
MHz
Unit
mA VDET=0V,ISETH=24kΩ
mV *1
mA
mA
µA
kΩ
µA
µA
µA
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
VBAT>5.0V
VBAT<5.0V
Input=2.5V
VBAT>5.0V
VBAT<5.0V
VBAT>5.0V
VBAT<5.0V
RSTB=2.5V, LED1-6=3V
No load
RSTB=0V, VBAT=12V
RSTB=0V, VBAT=22V
Detect voltage of VDET pin
LED1-6=0.3V
LED1-6=0.3V
ILED=16mA
Each LED current/Average (LED1- 6)
ILED=16mA
Current limit value at ISET
resistance 4.7kΩ setting
LED1, 2, 3, 4, 5, 6=0.5V
RSTB=PWMDRV=2.5V
Condition
2010.03 - Rev.A
Technical Note