BUTA2WNVX series, BUTA2WHFV series
Technical Note
●Electrical characteristics
(Unless otherwise specified Ta=25℃, 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 µF, CO=1.0 µF)
Parameter
Limits
Symbol
Unit
Min.
Typ.
Max.
Conditions
Output voltage
VOUT
×0.99
VOUT
×1.01
V IOUT=10 μA, VOUT≥2.5 V
VOUT
VOUT
VOUT
-25 mV
VOUT
+25 mV
IOUT=10 μA, VOUT<2.5 V
Circuit current
IIN
-
40
95
μA IOUT=0mA
Circuit current (at STBY)
ISTBY
-
-
1
μA STBY=0 V
Ripple rejection
RR
55
-
-
Input/Output voltage difference VSAT
-
-
Line regulation
VDL
-
70
VRR=-20 dBv, fRR=1 kHz,
IOUT=10 mA, 1.5 V≤VOUT≤1.8 V
-
dB
65
VRR=-20 dBv,fRR=1 kHz,
IOUT=10 mA, 2.5 V≤VOUT
400
800
mV
2.5 V≤VOUT≤2.6 V
(VIN=0.98*VOUT, IOUT=200 mA)
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)
300
600
mV
3.2 V≤VOUT≤3.4 V
(VIN=0.98*VOUT, IOUT=200 mA)
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
250
400
700
mA Vo=VOUT*0.8
Output short-circuit current
ISHORT 20
70
150
mA Vo=0 V
Output discharge resistance
RDSC 20
40
80
Ω VIN=4.0 V, STBY=0 V
Standby pull-down resistance RSTB 500
1000 2000
kΩ
Standby control
ON
OFF
VSTBH 1.5
-
VSTBL -0.3
-
* This product does not have radiation-proof design.
5.5
V
0.3
V
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2011.01 - Rev.C