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BD6072HFN डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - White Backlight LED Drivers - Rohm

भाग संख्या BD6072HFN
समारोह White Backlight LED Drivers
मैन्युफैक्चरर्स Rohm 
लोगो Rohm लोगो 
पूर्व दर्शन
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<?=BD6072HFN?> डेटा पत्रक पीडीएफ

BD6072HFN pdf
BD6067GU, BD6069GUT, BD6071HFN, BD6072HFN
BD6067GU
Absolute maximum ratings (Ta=25)
Parameter
Symbol
Power supply voltage 1
VMAX1
Power supply voltage 2
VMAX2
Ratings
7 *1
40 *1
Operating temperature range Topr
-30 ~ +85
Storage temperature range
Tstg
-55 ~ +150
Power dissipation
Pd
800 *2
*1 This value is based on GND.
*2 This loss decreases approximate 6.4mW/when Ta is 25or more.
Recommended Operation Range (Ta=-30to +85)
Parameter
Symbol
Ratings
Operating supply voltage
VCC
2.7 ~ 5.5
Technical Note
Unit Conditions
V
Applicable to Vin, EN,
Vfb and VDAC pins
V Applicable to SW and Vout pins
mW
50mm×58mm×1.75mm
Glass epoxy PCB mounting
Unit Conditions
V Vin pin
Electrical characteristics (Unless otherwise stated, Ta is 25and Vin is 3.6V.)
Parameter
Symbol
Min.
Limits
Min.
Min.
<EN pin>
‘L’ level input voltage
VthL
-
- 0.4
Unit
V
Conditions
‘H level input voltage
VthH
1.4
-
-V
‘H’ level input current
IIH - 18.3 30.0 μA EN=5.5V
‘L’ level input current
<DAC control pin>
VDAC-Vfb resistance
<Switching regulator>
Input voltage range
IIL -2.0 -0.1
- μA EN=0V
VDAR 56 112 168 k
Vin 3.1 - 5.5 V
Quiescent current
Iq - 0.1 2.0 μA EN=0V
Operating current
Idd - 0.9 1.4 mA EN=3.6V, Vfb=1.0V
VFB pin control voltage
Over current limit
Vfb 0.18 0.20 0.22 V
Icoil 450 600 750 mA *1
SW transistor ON resistance Ronn
-
0.5 1.4 Isw=200mA
Switching frequency
fSW 0.8 1.0 1.2 MHz
Maximum duty
Duty 92.5 95.0 - % Vfb=0V
Output voltage range
Vo -
- 30.0 V
Over voltage protection
Ovp 30.0 31.0 32.0 V Vfb=0V
Output open protection
Ovl - 0.7 1.4 V
Startup time
Ts
*1 The DC current is measured in this item.
- 0.5 1.0 ms Vout=24V
www.rohm.com
© 2011 ROHM Co., Ltd. All rights reserved.
2/29
2011.01 - Rev.C

विन्यास 30 पेज
डाउनलोड[ BD6072HFN Datasheet.PDF ]


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