BUTA2WNVX Series, BUTA2WHFV Series
Technical Note
●Electrical characteristics(Ta=25C, VIN=VOUT+1.0 V (VIN=3.5 V on VOUT=1.8-V and1.5-V products), STBY=1.5 V, CIN=1.0 F, CO=1.0 F,
unless otherwise specified)
Parameter
Output voltage
Circuit current
Circuit current (at STBY)
Ripple rejection
Symbol
Min.
VOUT×0.99
VOUT
VOUT-25 mV
IIN
-
ISTBY
-
Typ.
VOUT
40
-
70
RR
55
65
-
400
Max.
VOUT×1.01
VOUT+25 mV
95
1
-
800
Unit Conditions
V IOUT=10 μA,VOUT≥2.5 V
IOUT=10 μA,VOUT<2.5 V
μA IOUT=0mA
μA STBY=0 V
VRR=-20 dBv, fRR=1 kHz,
IOUT=10 mA
dB
1.5 V≤VOUT≤1.8 V
VRR=-20 dBv,fRR=1 kHz,
IOUT=10 mA
2.5 V≤VOUT
mV
2.5 V≤VOUT≤2.6 V
(VIN=0.98*VOUT, IOUT=200 mA)
-
Input/Output voltage difference VSAT
-
360
720
mV
2.7 V≤VOUT≤2.85 V
(VIN=0.98*VOUT, IOUT=200 mA)
330
660
mV
2.9 V≤VOUT≤3.1 V
(VIN=0.98*VOUT,IOUT=200 mA)
-
Line regulation
VDL
-
Load regulation
VDLO
-
Overcurrent protection
detection current
ILMAX
250
Output short-circuit current
ISHORT
20
Output discharge resistance
RDSC
20
Standby pull-down resistance RSTB
500
Standby control
ON
VSTBH
1.5
OFF
VSTBL
-0.3
300
2
10
400
70
40
1000
-
-
600
20
80
700
150
80
2000
5.5
0.3
mV
3.2 V≤VOUT≤3.4 V
(VIN=0.98*VOUT, IOUT=200 mA)
mV
VIN=VOUT+1.0 V to 5.5 V,
IOUT=10 μA
mV IOUT=0.01 mA to 100 mA
mA Vo=VOUT*0.8
mA Vo=0 V
Ω VIN=4.0 V, STBY=0 V
kΩ
V
V
* This product does not have radiation-proof design.
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3/27
2009.05 - Rev.B