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BD7003NUX 데이터시트(PDF) 3 Page - Rohm

부품명 BD7003NUX
상세설명  CMOS LDO Regulator for Portable Equipments Dual, Low-Dropout Linear Regulator
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제조업체  ROHM [Rohm]
홈페이지  http://www.rohm.com
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Technical Note
3/13
www.rohm.com
2012.01 - Rev.C
© 2012 ROHM Co., Ltd. All rights reserved.
BD7003NUX,BD7004NUX
Electrical Characteristics (Vin=3.7V, EN1=EN2=Vin,Ta =+25℃, unless otherwise noted.)
Parameter
Symbol
Limits
Unit
Condition
Min
Typ
Max
Output Voltage range
VOUT
1.2
-
3.3
V
Input Voltage range
VIN
2.5
-
5.5
V
Output Voltage Accuracy
Δvouta
-1.8
-
1.8
%
Iout=1mA, VOUT≧1.5V
Δvoutb
-30
-
+30
mV
Iout=1mA, VOUT=1.2V
Maximum Output Current
Imax
300
-
-
mA
Short Circuit Current
Isc
-
150
-
mA
VOUT = 0V
Ground Pin Current
Iq
-
55
95
μA
Iout=0mA
-
35
65
One LDO shutdown, Iout=0mA
Dropout Voltage
Vdrop
-
120
170
mV
VIN=2.5V, VOUT=2.6V, Iout=100mA
-
90
140
VIN=2.7V, VOUT=2.8V, Iout=100mA
80
130
VIN=2.9V, VOUT=3.0V, Iout=100mA
-
70
120
VIN=3.2V, VOUT=3.3V,Iout=100mA
-
360
510
VIN=2.5V, VOUT=2.6V, Iout=300mA
-
270
420
VIN=2.7V, VOUT=2.8V, Iout=300mA
240
390
VIN=2.9V, VOUT=3.0V, Iout=300mA
-
210
360
VIN=3.2V, VOUT=3.3V, Iout=300mA
Line Regulation
ΔVLNR
-
0.02
0.2
%/V
VIN=VOUT+1V to VIN=5.5V, Iout=10mA
Load Regulation
ΔVLDR
-
0.2
0.6
%
Iout=1mA to 300mA
Ripple Rejection
PSRR
-
66
-
dB
f=100Hz,Iout=10mA@VOUT=1.5V
Output Noise
en
-
150
-
μVrms fBW=10Hz to 100kHz;Iout=10mA
EN1, EN2
Enable Input Threshold
ViH
1.2
-
-
V
Regulator enabled
ViL
-
-
0.5
Regulator shutdown
Enable Input Leakage Current
Ien
-
0.1
1
μA
Ven=VIN , Ta=+25℃
Shutdown Supply Current
IQSHDN
-
0.1
1
μA
Vout=0V , Ta=+25℃
*This product is not especially designed to be protected from radioactivity.
Output-Voltage Programming
PIN Name
BD7003NUX
BD7004NUX
P1
P2
VOUT1
VOUT2
VOUT1
VOUT2
Set up
OPEN
OPEN
1.50
2.80
1.20
1.50
OPEN
GND
1.80
2.60
1.20
1.80
OPEN
VIN
1.80
2.70
1.80
1.50
GND
OPEN
1.80
2.80
1.80
1.80
GND
GND
1.80
2.90
1.80
3.00
GND
VIN
2.60
2.80
1.80
3.30
VIN
OPEN
2.80
2.80
2.80
3.00
VIN
GND
2.90
2.90
3.00
3.00
VIN
VIN
2.80
3.30
3.30
3.30
Output Voltage Programming Input (P1、P2)
Output voltages, VOUT1 and VOUT2, are determined at power up by the state of P1 and P2 (see the table of
“Output-Voltage Programming”). Subsequent charges to P1 and P2 do not change the output voltages unless the supply
power is cycled, or all EN inputs are simultaneously driven low to shutdown the device.
Shutdown (EN1, EN2)
The BD7003NUX, BD7004NUX have independent shutdown control inputs, EN1 and EN2. Driving both EN1 and EN2
low will shut down the entire device, reducing supply current to 1μA max. Connecting EN1 and EN2 to a logic-high or
VIN will enable the corresponding output(s).
It is prohibited to open EN1, EN2 switches.


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