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BD1603NUV Datasheet(PDF) 2 Page - Rohm

No. de pieza BD1603NUV
Descripción Electrónicos  Backlight LED Driver for Small LCD Panels (Charge Pump Type)
Download  9 Pages
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Fabricante Electrónico  ROHM [Rohm]
Página de inicio  http://www.rohm.com
Logo ROHM - Rohm

BD1603NUV Datasheet(HTML) 2 Page - Rohm

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Technical Note
2/8
www.rohm.com
2011.02 - Rev.B
© 2011 ROHM Co., Ltd. All rights reserved.
BD1603NUV
Electrical Characteristics
Unless otherwise specified, Ta = 25ºC and Vin = 3.6V.
Parameter
Symbol
Limits
Unit
Condition
Min.
Typ.
Max.
Input voltage range
VIN
2.7
-
5.5
V
Circuit current
IQ1
-
1.4
2.0
mA
Freq=238kHz, IOUT=0mA,
IQ2
-
3.0
4.2
mA
Freq=642kHz, IOUT=0mA
IQ3
-
-
2
μA
EN=0V
Output voltage
VOUT1
4.80
5.0
5.20
V
VSEL=VIN, IOUT=150mA
VOUT2
4.275
4.5
4.725
V
VSEL=0V, IOUT=190mA
Output current
IOUT1
-
-
150
mA
VSEL=VIN
3.2V
≦VIN
*1)
IOUT2
-
-
190
mA
VSEL=0V
3.2V
≦VIN
*1)
IOUT3
-
-
60
mA
VSEL=VIN
2.85V
≦VIN
*1)
IOUT4
-
-
120
mA
VSEL=0V
2.85V
≦VIN
*1)
Oscillation frequency
fOSC1
-15%
238
+15%
kHz
EN=VIN, FSEL=0V
fOSC2
-20%
642
+20%
kHz
EN=VIN, FSEL=VIN
Output short-circuit current
ISC
-
-
600
mA
VOUT=0V
Efficiency
n1
-
75.0
-
%
VIN =3.3V, VOUT=5.0V
IOUT=60mA, Freq=238kHz
n2
-
74.5
-
%
VIN =3.3V, VOUT=5.0V
IOUT=60mA, Freq=642kHz
[ Logic controller ]
High threshold voltage
VIH
1.3
-
-
V
EN, VSEL and FSEL pins
Low threshold voltage
VIL
-
-
0.4
V
EN, VSEL and FSEL pins
‘H’ level input current
IIH
-
-
10
μA
EN, VSEL and FSEL pins
‘L’ level input current
IIL
-
-
10
μA
EN, VSEL and FSEL pins
*1) Please design a VIN condition and a load current not to exceed Pd of the LSI.


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