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BD1604MVV датащи(PDF) 3 Page - Rohm

номер детали BD1604MVV
подробное описание детали  Backlight LED Drivers for Small LCD Panels (Charge Pump Type)
Download  11 Pages
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производитель  ROHM [Rohm]
домашняя страница  http://www.rohm.com
Logo ROHM - Rohm

BD1604MVV датащи(HTML) 3 Page - Rohm

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Technical Note
3/10
www.rohm.com
2011.06 - Rev.B
© 2011 ROHM Co., Ltd. All rights reserved.
BD1604MUV, BD1604MVV
Reference Data (Evaluation under LED VF=3.2V)
40
50
60
70
80
90
100
2.53
3.544.5
55.5
SUPPLY VOLTAGE : VBAT[V]
DOWN
UP
Fig.1 Circuit Current
(Standby)
Fig.11 LED Current vs. PWM Duty
(Cycle 100Hz)
Fig.2 Circuit Current
(×1.0 Mode Operation)
Fig.3 Efficiency Hysteresis
(20mA × 4 LEDs)
Fig.4 Efficiency
(5mA × 4 LEDs)
Fig.10 LED Current vs. RSET
(Ta=25℃)
Fig.7 LED Current (20mA)
(VBAT=2.7V)
Fig.8 LED Current (20mA)
(VBAT=3.6V)
Fig.9 LED Current (20mA)
(VBAT=5.5V)
Fig.6 Efficiency
(20mA × 4 LEDs)
Fig.5 Efficiency
(15mA × 4 LEDs)
0
5
10
15
20
25
0
2040
6080
100
PWM DUTY[%]
0
5
10
15
20
25
30
35
0
50
100
150
200
RSET[kO]
0
0.1
0.2
0.3
0.4
0.5
3
3.5
4
4.5
5
5.5
INPUT VOLTAGE : VBAT[V]
Ta=25℃
Ta=85℃
Ta=-30℃
0
5
10
15
20
25
0
0.3
0.6
0.9
1.2
LED VOLTAGE : VLED[V]
Ta=85℃
Ta=25℃ Ta=-30℃
40
50
60
70
80
90
100
2.533.5
44.555.5
SUPPLY VOLTAGE : VBAT[V]
Ta=85℃
Ta=25℃
Ta=-30℃
40
50
60
70
80
90
100
2.533.5
44.555.5
SUPPLY VOLTAGE : VBAT[V]
Ta=85℃
Ta=25℃
Ta=-30℃
40
50
60
70
80
90
100
2.533.5
44.555.5
SUPPLY VOLTAGE : VBAT[V]
Ta=85℃
Ta=25℃
Ta=-30℃
0
5
10
15
20
25
0
0.3
0.6
0.9
1.2
LED VOLTAGE : VLED[V]
Ta=85℃
Ta=25℃
Ta=-30℃
0
5
10
15
20
25
0
0.3
0.6
0.9
1.2
LED VOLTAGE : VLED[V]
Ta=85℃
Ta=25℃ Ta=-30℃
0
0.5
1
1.5
2
012
345
INPUT VOLTAGE : VBAT[V]
Ta=85℃
Ta=25℃
Ta=-30℃


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