參數(shù)資料
型號: BD7851FP-E2
廠商: Rohm Semiconductor
文件頁數(shù): 8/18頁
文件大?。?/td> 0K
描述: IC LED DRIVER LINEAR 25-HSOP
標(biāo)準(zhǔn)包裝: 1
恒定電流:
拓?fù)洌?/td> 線性
輸出數(shù): 16
內(nèi)部驅(qū)動器:
類型 - 主要: 通用
電源電壓: 4.5 V ~ 5.5 V
輸出電壓: 10V
安裝類型: 表面貼裝
封裝/外殼: 25-SOP(0.213",5.40mm)+ 2 翼片
供應(yīng)商設(shè)備封裝: 25-HSOP
包裝: 標(biāo)準(zhǔn)包裝
工作溫度: -30°C ~ 85°C
產(chǎn)品目錄頁面: 1372 (CN2011-ZH PDF)
其它名稱: BD7851FP-E2DKR
BU2050F,BU2092F,BU2092FV,BU2099FV,BD7851FP,BU2152FS
Technical Note
16/24
www.rohm.com
2009.06 - Rev.A
2009 ROHM Co., Ltd. All rights reserved.
【BD7851FP
●Timing characteristics (Unless otherwise specified, VCC=5V, Ta=25℃)
Parameter
Symbol
Limit
Unit
Condition
Min.
Typ.
Max.
Frequency CLOCK
fclk
-
10
MHz
Pulse Width CLOCK
twh
20
50
-
ns
CLOCK
Pulse Width LATCH
twh
40
50
-
ns
LATCH
Pulse Width ENABLE
tw
30
-
ns
ENABLE
Rise Time / Fall Time
tr / tf
-
30
100
ns
CLOCK
Setup Time
tSU
30
50
-
ns
S_IN-CLOCK
30
50
-
LATCH-CLOCK
Hold Time
th
30
50
-
ns
S_IN-CLOCK
30
50
-
LATCH-CLOCK
Rise Time
tr
-
300
-
ns
OUTn
-
50
SOUT
Fall Time
tf
-
300
-
ns
OUTn
-
50
SOUT
Propagation
tpLH
-
400
650
ns
CLK-SOUT, LATCH
ENABLE-OUTn
tpHL
-
300
400
CLK-SOUT, LATCH
ENABLE-OUTn
●Reference Current of Output Current
*This is a data for the standard sample, not guaranteed the characteristic.
Fig. 13
●R_Iref-VOUT
*Notes the increase of consumption current Icc, in case sets the voltage of VOUT lower. See the graph above.
Fig. 14
0
50
100
150
200
250
0.1
1
10
100
R_Iref [kΩ]
IOU
T
[m
A
]
[Condition]
Vcc=5.0V, Vo=5.0V, Ta=25℃
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1
10
100
R_Iref [k
Ω]
V
OUT
[V]
[Condition]
Vcc=5.0V, Ta=27℃, all bit : ON
The reference current of output current is determined by the
external resistor.
(between 2pin and GND )
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