BD3504FVM,BD3500FVM,BD3501FVM,BD3502FVM 
Technical Note
 
4/16 
www.rohm.com 
2010.05  -  Rev.A
?2010 ROHM Co., Ltd. All rights reserved. 
?SPAN class="pst BD3504FVM-TR_2649171_6">Electrical characteristics (unless otherwise noted, Ta=25  VCC=5V VIN=3.3V Ven=3V. R1=R1'=&, R2=R2'=0&) 
蜝D3504FVM 
Parameter 
Symbol 
Standard Value 
Unit
Condition 
MIN 
TYP 
MAX 
Bias Current 
ICC 
- 
0.85 
1.7 
mA     
Shut Down Mode Current 
IST 
- 
0 
10 
礎(chǔ)    Ven=0V 
Feed Back Voltage 1 
VFB1 
0.643 
0.650 
0.657 
V     Io=50mA   
Feed Back Voltage 2 
VFB2 
0.630 
0.650 
0.670 
V 
Vcc=4.5V to 5.5V , 
Ta=-10  to 100(;) 
Output Voltage 
Vo 
- 
1.20 
- 
V 
R1=R1'=3.9k&, 
R2=R2'=3.3K& 
Line Regulation 
Reg.l 
- 
0.1 
0.5 
%/V   VCC=4.5V to 5.5V 
Load Regulation 
Reg.L 
- 
0.5 
10 
mV    Io=0 to 3A 
[Enable] 
High Level Enable Input Voltage 
Enhi 
2 
- 
Vcc 
V      
Low Level Enable Input Voltage 
Enlow 
-0.3 
- 
0.8 
V      
Enable pin Input Current 
Ien 
- 
7 
10 
礎(chǔ)    Ven=3V 
[Voltage Feed Back] 
VFB Input Bias Current 
IFB 
- 
80 
- 
nA     
[Source Voltage] 
VS Input Bias Current 
ISBIAS 
- 
1.2 
2.4 
mA     
VS Standby Current 
ISSTB 
150 
- 
- 
mA    VS=1V Ven=0V 
[Output MOSFET Driver] 
MOSFET Driver Source Current 
IGSO 
2 
3 
4 
mA    VFB=0.6V,VGATE=2.5V 
MOSFET Driver Sink Current   
IGSI 
2 
3 
4 
mA    VFB=0.7V,VGATE=2.5V 
[UVLO] 
VCC UVLO 
VccUVLO
4.20 
4.35 
4.50 
V     Vcc:Sweep up 
VCC UVLO Hysterisis 
Vcchys 
100 
160 
220 
mV    Vcc:Sweep down 
VD UVLO 
VDUVLO
Vo?.6
Vo?.7
Vo?.8
V     VD:Sweep up 
[Drain Voltage Sensing] 
VD Input bias Current 
Ivd 
- 
0 
- 
nA     
[NRCS/SCP] 
NRCS Charge Current 
Inrcs 
14 
20 
26 
礎(chǔ)    VNRCS=0.5V 
SCP Charge Current 
Iscpch 
14 
20 
26 
礎(chǔ)    VNRCS=0.5V 
SCP Discharge Current 
IscpDi 
0.3 
- 
- 
mA    VNRCS=0.5V 
SCP Threshold Voltage 
Vscp 
1.2 
1.3 
1.4 
V      
Short Detect Voltage 
Voscp 
Vo?.3    Vo?.35    Vo?.4
V      
NRCS Stand-by Voltage 
VSTB 
- 
- 
50 
mV     
(;) Design Guarantee