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BD60A60NUX 반도체 회로 부품 판매점

White LED Driver



ROHM Semiconductor 로고
ROHM Semiconductor
BD60A60NUX 데이터시트, 핀배열, 회로
Datasheet
White LED Driver
With PWM Brightness Control
for up to 11 LEDs in Series
BD60A00NUX
BD60A60NUX
General Description
This IC is boost DC/DC converter that can drive white
LED with constant current. More stabled white LED
lighting can be achieved by direct current connection
without electric tolerance and High-speed response by
current mode. Moreover, separating IC power supply
(2.7V to 5.5V) and coil power supply (2.3V to 20V)
makes it possible to widen input range, which will be
helpful to be applied to various kinds of applications.
Over voltage setting can be selected corresponding to
the number of LED lightings. BD60A00NUX is for max
11 lightings, BD60A60NUX is for max 6 lightings.
Features
Boost DC/DC converter
Drive LED 11 lightings
(VOUT=3.6V×11+0.7V=40.3V <VF MAX=3.7V>)
BD60A00NUX
Brightness control by outside PWM signal (PWM
frequency =100Hz to 30kHz, 25kHz 1% dimming
application)
Brightness control by DC input
Soft start function (1ms Typ.)
Over voltage protection
BD60A00NUX:
42V (Typ.)
BD60A60NUX:
28V (Typ.)
SBD open protection and output short protection
Over current protection
LED terminal over voltage protection
UVLO
Key Specifications
Operating power supply voltage range: 2.7V to 5.5V
LED maximum current:
30mA (Max.)
Switching Frequency:
600kHz(Typ.)
Quiescent Current:
0.1μA (Typ.)
Operating temperature range:
-40˚C to +85˚C
Package W(Typ.) x D(Typ.) x H(Max.)
VSON008X2030
2.00mm x 3.00mm x 0.60mm
Applications
Digital video cameras, digital single-lens reflexes,
digital still cameras, digital photo frames, personal
navigations (PND), mobile phones, smart phones, MID,
PDA, hand-held computers, MP3 players, GPS, digital
media players, etc.
Typical Application Circuit
Coil Power
2.3V to 20V
Ccoil
4.7μF
L1
10μH
SW
IC Power
2.7V to 5.5V
CIN
1μF
VIN
COUT
D1 2.2μF
VOUT
BD60AxxNUX
11 LEDs
FB
ISET
GND
EN PWM
Enable control PWM control
Product structureSilicon monolithic integrated circuit
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
This product is not designed protection against radioactive rays
1/22
TSZ02201-0G3G0C200320-1-2
7.FEB.2013 Rev.002


BD60A60NUX 데이터시트, 핀배열, 회로
BD60A00NUX
BD60A60NUX
Datasheet
Absolute Maximum Ratings
Parameter
Symbol
Ratings
Unit
Condition
Maximum applied voltage 1
Maximum applied voltage 2
Maximum applied voltage 3
Operating temperature range
VMAX1
VMAX2
VMAX3
Topr
7
45
31
-40 to +85
V VIN, EN, PWM, ISET terminals
V
FB, SW, VOUT terminals
BD60A00NUX
V
FB, SW, VOUT terminals
BD60A60NUX
˚C
Storage temperature range
Power dissipation 1
Tstg -55 to +150 ˚C
Pd1
2000
mW *1
*1 4 layer (ROHM Standard board) has been mounted. When it’s used by more than Ta=25˚C, it’s reduced by 20mW/˚C.
Recommended Operating Ratings (Ta=-40˚C to +85˚C)
Parameter
Symbol
Ratings
Unit
Operating power supply voltage
VIN
2.7 to 5.5 *
V
Operating coil voltage
Vcoil
2.3 to 20
V
*When the operating supply voltage is over 4.61V for BD60A00NUX, please refer the application P.16
Conditions
VIN terminal
Coil voltage
Electrical Characteristics (Unless otherwise specified, Ta=25˚C, VIN=3.6V)
Parameter
Symbol
Limits
Min. Typ. Max.
Quiescent Current
Current Consumption
(No Boost)
Current Consumption (Boost)
Iq
IddNB
IddB
-
-
-
0.1 1.0
1.5 3.0
2.5 5.0.
[EN, PWM Terminal]
Low Input Voltage range
VthL
-
- 0.5
High Input Voltage range
VthH
1.3
-
-
Pull down register
Rcnt
65 100 135
[Switching Regulator]
FB Terminal Control Voltage
FB 0.56 0.70 0.84
Switching Frequency
fSW - 600 -
Max Duty
Duty 90 95
-
SW Transistor ON Resistor
Ronn - 0.5 -
SW Transistor Leak Current
IqSW - 0.1 2.0
[Protection]
Over Current Limit
Over Voltage Limit
BD60A00NUX
Over Voltage Limit
BD60A60NUX
Over Voltage Limit Hysteresis
Icoil - 750 -
OVP1
40
42
44
OVP2
26
28
30
OVPhy
-
1
-
VOUT Terminal Leak Current
IqVOUT -
0.1 1.0
Shot key Diode Open Protection
Sop
- 0.2 -
LED Terminal
Over Voltage Protection
LEDOVP 4.4 5.9 6.4
Detect Voltage of Low Voltage
UVLO - 2.2
-
[Current Driver]
LED Maximum Current
ILMAX
-
- 30
LED Current Accuracy
ILACCU -
- ±3.0
Unit
μA
mA
mA
V
V
k
V
kHz
%
μA
mA
V
V
V
μA
V
V
V
mA
%
LED Current Limit
ILOCP
-
0 0.1 mA
LED Leak Current
IqLED
ISET Terminal Voltage
Iset
*1 This parameter is tested with DC measurement.
-
-
0.1 2.0 μA
0.6 -
V
Conditions
EN=0V
EN=2.8V, PWM=0V
EN=2.8V, PWM=2.8V
FB=0V
Isw=80mA
EN=0V
*1
Detect voltage of VOUT terminal
Detect Voltage of VOUT terminal
EN=0V
Detect Voltage of VOUT terminal
PWM=2.8V
VIN falling edge
VIN=4V, COUT=1µF
ILED=20mA
Current Limit Value at
ISET Resistor 1kSetting
EN=0V
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
2/22
TSZ02201-0G3G0C200320-1-2
7.FEB.2013 Rev.002




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BD60A60NUX led

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White LED Driver - ROHM Semiconductor