BU665XNUX Datasheet, PDF (3/18 Pages) Rohm – High-speed Load Response Full CMOS LDP Regulators

BU6650NUX, BU6651NUX, BU6652NUX, BU6653NUX
Technical Note
Electrical characteristics
(Ta=25C, VIN=VOUT+1.0 V (VIN=3.5V on VOUT=1.8V and1.5V products),
STBY=1.5V,CIN=2.2F, CO=1.0F,unless otherwise specified)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Conditions
Output voltage
Operating current
VOUT×0.99
VOUT
VOUT
VOUT-25 mV
IIN1
-
40
IIN2
-
80
IIN3
-
120
VOUT×1.01
VOUT+25 mV
95
190
285
V IOUT=10 μA，VOUT≥2.5 V
V IOUT=10 μA，VOUT<2.5 V
µA
IOUT=0mA
STBY×1=1.5V, STBY×2=0V
µA
IOUT=0mA
STBY×2=1.5V, STBY×1=0V
µA
IOUT=0mA
STBY×3=1.5V
Circuit current (at STBY)
ISTBY
-
-
1
μA STBY=0 V
Ripple rejection
70
RR
55
65
VRR=-20dBv, fRR=1kHz,
IOUT=10 mA,1.5V≦VOUT≦1.8V
-
dB
VRR=-20dBv, fRR=1 kHz,
IOUT=10 mA,2.5 V≦VOUT
Input/Output voltage difference VSAT
-
360
720
mV
VOUT=2.8 V
(VIN=0.98*VOUT, IOUT=200 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
Overcurrent 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
Standby pull-down resistance
RSTB
500
50
1000
80
2000
Ω VIN=4.0 V, STBY=0 V
kΩ
ON
VSTBH
1.5
-
Control Voltage
OFF
VSTBL
-0.3
-
* This product does not have radiation-proof design.
5.5
V Output Voltage ON
0.3
V Output Voltage OFF
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
3/17
2009.09 - Rev.B