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BU6654NUX Datasheet(PDF) 3 Page - Rohm

Part # BU6654NUX
Description  3ch CMOS LDO Regulators
Download  22 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BU6654NUX Datasheet(HTML) 3 Page - Rohm

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Technical Note
3/21
www.rohm.com
2011.03 - Rev.E
© 2011 ROHM Co., Ltd. All rights reserved.
BU6650NUX,BU6651NUX,BU6652NUX,BU6653NUX,BU6654NUX,BU6655NUX
Electrical characteristics
(Ta=25
C, VIN=VOUT+1.0 V (VIN=3.5 V on VOUT=1.8 V and1.5 V products), STBY=1.5 V, CIN=2.2 F, CO=1.0 F, unless
otherwise specified)
Parameter
Symbol
Limits
Unit
Conditions
Min.
Typ.
Max.
Output voltage
VOUT
VOUT
×0.99
VOUT
VOUT
×1.01
V
IOUT=10 μA, VOUT≥2.5 V
VOUT
-25mV
VOUT
+25mV
IOUT=10 μA, VOUT<2.5 V
Operating current
IIN1
-
40
95
μ
A
IOUT=0mA
STBY×1=1.5V, STBY×2=0V
IIN2
-
80
190
μ
A
IOUT=0mA
STBY×2=1.5V, STBY×1=0V
IIN3
-
120
285
μ
A
IOUT=0mA
STBY×3=1.5V
Circuit current (at STBY)
ISTBY
-
-
1
μA
STBY=0 V
Ripple rejection
RR
55
70
-
dB
VRR=-20dBv, fRR=1kHz,
IOUT=10 mA
1.5 V≦VOUT≦1.8 V
65
VRR=-20dBv, fRR=1 kHz,
IOUT=10 mA
2.5 V≦VOUT
Input / Output
voltage difference
VSAT
-
360
720
mV
VOUT=2.8V
(VIN=0.98*VOUT, IOUT=200 mA)
-
300
600
VOUT=3.3V
(VIN=0.98*VOUT, IOUT=200 mA)
-
220
460
VOUT=3.3V
(VIN=0.98*VOUT, IOUT=150 mA)
Line regulation
VDL
-
2
20
mV
VIN=VOUT+1.0 V to 5.5 V,
IOUT=10 μA
Load regulation
VDLO
-
10
80
mV
IOUT=0.01 mA to 100 mA
Over current protection
detection current
ILMAX
220
350
700
mA
Vo=VOUT*0.8
Output short-circuit current
ISHORT
20
70
150
mA
Vo=0 V
Output discharge resistance
RDSC
20
50
80
VIN=4.0 V, STBY=0 V
Standby pull down resistance
RSTB
500
1000
2000
kΩ
Control Voltage
ON
VSTBH
1.5
-
5.5
V
Output Voltage ON
OFF
VSTBL
-0.3
-
0.3
V
Output Voltage OFF
* This product does not have radiation-proof design.


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