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BD1754HFN-TR датащи(PDF) 2 Page - Rohm

номер детали BD1754HFN-TR
подробное описание детали  Constant Current LED Driver
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производитель  ROHM [Rohm]
домашняя страница  http://www.rohm.com
Logo ROHM - Rohm

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BD1754HFN
Datasheet
TSZ02201-0G3G0C200060-1-2
10.Dec.2015 Rev.002
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
Absolute Maximum Ratings (Ta = 25°C)
Parameter
Symbol
Rating
Unit
Maximum Applied Voltage
VMAX
7
V
Power Dissipation
Pd
0.63 (Note 1)
W
Operating Temperature Range
Topr
-30 to +85
°C
Storage Temperature Range
Tstg
-55 to +150
°C
(Note 1) When mounted on a glass epoxy board (70 mm x 70 mm x 1.6 mm). Derate by 5.04 mW/°C for Ta higher than 25 °C.
Caution: Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between pins or an open circuit
between pins. Therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the IC is operated over the absolute maximum
ratings.
Recommended Operating Conditions (Ta = -30°C to +85°C)
Parameter
Symbol
Rating
Unit
Conditions
Min
Typ
Max
Operating Power Supply Voltage
VIN
2.7
3.6
5.5
V
Driver Pin Voltage Range
VDRV
0.2
-
VIN-1.4
V
When Current driver power ON.
Electrical Characteristics (Unless otherwise specified, Ta = 25°C and VIN = 3.6V)
Parameter
Symbol
Limit
Unit
Conditions
Min
Typ
Max
Quiescent Current
IQ
-
0.1
1
μA
VEN=0V
Circuit Current
IDD
-
1.2
2.0
mA
Except LED current
[Current Driver]
Maximum Current
ILED-MAX
29.76
32.0
34.24
mA
RISET
= 120kΩ
LED Current Accuracy
ILED-diff
-
-
7.0
%
When current 16.5 mA setting
RISET
= 120kΩ
LED Current Matching
ILED-match
-
0.5
3.0(Note 1)
%
When current 16.5 mA setting
RISET
= 120kΩ
[Logic Controller]
Low Threshold Voltage
VIL
-
-
0.4
V
High Threshold Voltage
VIH
1.4
-
-
V
‘H’ Level Input Current
IIH
-
0
2
μA
VEN=VIN
‘L’ Level Input Current
IIL
-2
0
-
μA
VEN=0V
EN ‘H’ Time
tHI
0.05
-
100
μsec
EN ‘L’ Time
tLO
0.3
-
100
μsec
EN OFF Time-Out
tOFF
1
-
-
msec
IN Supply -> EN Active Time
tVINON
1
-
-
msec
EN Stand-by -> VBAT OFF Time
tVINOFF
0
-
-
msec
(Note 1) The following formula is used for calculation:
ILED-match = {(IMAX - IMIN) / (IMAX + IMIN)} x 100
IMAX = The maximum current value from all channels
IMIN = The minimum current value from all channels


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