BD9261EFV Datasheet PDF - ROHM Semiconductor
Part Number | BD9261EFV | |
Description | BD9261EFV / BD9261FP Technical Note | |
Manufacturers | ROHM Semiconductor | |
Logo | ||
There is a preview and BD9261EFV download ( pdf file ) link at the bottom of this page. Total 27 Pages |
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零部件规格书
生效日期:2007.11.26
编号:
份数
零部件名称 G-IC-LEDDR-351-HSOP28-BD9261FP
专 用 号 0324402636
本体描述 BD9261FP
版本 A
1 生产厂家
厂家型号
页码
1 ROHM
BD9261FP
P1-P25
1 以下空白
1
1
确认参数(T=25℃)
参数
输入电压范围
LED 最大驱动电流
结温
封装
LED 通道数量
以下空白
数值
9~35
350
150
HSOP28
4
单位
V
mA
℃
/
/
参数
数值
单位
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序号
1 以下空白
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ROHM CO., LTD.
Special reference material
BD9261EFV BD9261FP Technical Note Ver.2.0
1.3 Electrical characteristics (unless otherwise specified, Ta = 25°C, VCC = 24V)
BD9261EFV/FP (1/2)
Item
[Whole device]
Symbol
Standard value
Minimum Standard Maximum
Unit
Condition
Operating circuit current
Icc - 6 12 mA VCC=24V, STB=3V, LED1-4 OFF
Stand-by circuit current
IST - 15 30 μA VCC=24V STB=0V
[VREF5V block]
VREF5V output voltage
VREF5 4.95 5.0 5.05 V IO=0mA
VREF5V Maximum output current
IREF5
15
-
- mA
[Switching block]
N terminal source resistance
RONH
0.5
1.0
2.0 μΩ ION=-10mA
N terminal sink resistance
RONL 0.5 1.0 2.0 Ω ION=10mA
[Over current protection (OCP) block]
Over current detection voltage
VOCP
350
400 450 mV
[Soft-start block]
SS terminal source current
ISS -4 -2 -1 μA
SS terminal release voltage
VSS
2.7 3.0 3.3 V SS=SWEEP UP
[Error amplifier block]
LED control voltage
VLED
0.55 0.6
0.65 V LED_VL=OPEN
OVP control voltage
OVP_FB
1.1
1.2
1.3 V LED_VL=OPEN,SS<2.7V
FB sink current
IFBSINK
40
100 200 μA VLED=1.2V, VFB=1.0V CP=GND
FB source current
IFBSOURCE
Upper resistance of divided LED_LV
terminal resistance
RupLED_LV
Lower resistance of dividedLED_LV
terminal resistance
RdownLED_LV
-200
72
18
-100
120
30
-40 μA VLED=0V, VFB=1.0V CP=GND
216 kΩ LED_LV=0V
54 kΩ LED_LV=3V
[CT oscillator block]
Oscillation frequency
FCT 558 600 642 KHz RT=100kΩ
N terminal MAX DUTY output NMAX_DUTY
78
85
95 % RT=100kΩ
RT terminal output voltage
VRT
1.05 1.5 1.95 V RT=100kΩ
SLOPE terminal output voltage VSLOPE
1.05
1.5
1.95 V SLOPE=100kΩ
[Over voltage protection (OVP) block
Over voltage protection detection voltage
VOVP
1.43
1.63
1.83 V VOVP SWEEP UP, LED_LV=OPEN
OVP sink current
I_OVP 1.5 3.0 6.0 μA OVP=2.0V
[Short circuit protection (SCP) block]
Short circuit protection detection voltage
[UVLO block]
VSCP
0.04 0.10 0.25 V VOVP SWEEP DOWN
Operation power source voltage (VCC) VUVLO_VCC
6.0
7.0
8.0 V VCC=SWEEP UP
VCC_UVLO hysteresis voltage VUHYS_VCC
150
300
600 mV VCC=SWEEP DOWN
UVLO terminal Pull-Down resistance R_UVLO
375
625
1125
kΩ UVLO=3V
UVLO Release voltage
UVLO Hysteresis voltage
VUVLO_U
VUHYS_U
2.4
50
2.55
100
2.7 V VUVLO=SWEEP UP
200 mV VUVLO=SWEEP DOWN
4/26
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Information | Total 27 Pages | |
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Download | [ BD9261EFV.PDF Datasheet ] |
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