BD3506F_10 Datasheet, PDF (3/15 Pages) Rohm – Nch FET Ultra LDO for PC Chipsets

BD3506F,BD3506EFV
Technical Note
●Reference Data
⊿Vout
EN
(50mV/div)
Vin
Vcc
Iout
(1A/div)
Vo
Fig.1 Transient Response
EN
Vin
Vcc
Vo
Fig.4 Input Voltage
SequenceFinal Input Voltage
VIN
Fig.2 Input Voltage
SequenceFinal Input Voltage
EN
656
655
654
653
652
651
650
649
648
647
646
-10 10 30 50 70 90
Ta(℃)
Fig.5 Ta-Vfb
Vo
20mV/DIV
Vo
20mV/DIV
Io
1A/DIV
Io
1A/DIV
Fig.7 Transient Response (rise)
Cout=100uF
Fig.8 Transient Response (fall)
Cout=100uF
10
8
6
4
2
0
0
2
4
6
8
VIN(V)
Fig.3 VIN-IIN(Ta=25℃)
EN
Vin
Vcc
Vo
Fig.6 Input Voltage
SequenceFinal Input Voltage
VCC
18
16
14
12
10
8
6
4
2
0
0
1
2
3
4
5
VEN(V)
Fig.9 VEN-IEN
Vo
20mV/DIV
Io
1A/DIV
EN
2V/DIV
NRCS
0.5V/DIV
Vo
0.5V/DIV
EN
2V/DIV
NRCS
0.5V/DIV
Vo
0.5V/DIV
Fig.10 Transient Response (rise)
Cout=220uF
Fig.11 Start up Wave Form
Fig.12 Shut down Wave Form
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3/14
2010.05 - Rev.A