Technical Note
2/18
www.rohm.com
2009.08 - Rev.A
?2009 ROHM Co., Ltd. All rights reserved.
BD9153MUV
?SPAN class="pst BD9153MUV-E2_2471427_7">Electrical Characteristics
?Ta=25 VCC=5V, EN=VCC ,unless otherwise specified.)
Parameter
Symbol
Limit
Unit
Condition
Min.     Typ.    Max.
Standby Current
ISTB
-
0
10
礎(chǔ)    EN=0V
Bias Current
ICC
-
600     1000     礎(chǔ)    
EN Low Voltage
VENL
-     GND     0.8
V    Standby Mode
EN High Voltage
VENH
2
Vcc
-
V    Active Mode
EN Input Current
IEN
-
2
10
礎(chǔ)    EN=2V
Oscillation Frequency
FOSC     0.8     1.0     1.2     MHz   
Pch FET ON Resistance
RONP1     -
0.17     0.3
&    Vcc=5V
RONP2     -
0.17     0.3
&    Vcc=5V
Nch FET ON Resistance
RONN1     -
0.13     0.2
&    Vcc=5V
RONN2     -
0.13     0.2
&    Vcc=5V
FB Reference Voltage
VFB1,2    0.788     0.8     0.812     V    ?.5%
VFB3    0.784     0.8     0.816     V    ?.0%(Ta=25)
VFB3    0.780     0.8     0.820     V    ?.5%(Ta=-40~+85)
ITH sink curren1
ITHSI1     10
18
-
礎(chǔ)    VFB1=1.0V
ITH source current 1
ITHSO1     10
18
-
礎(chǔ)    VFB1=0.6V
ITH sink curren2
ITHSI2     10
18
-
礎(chǔ)    VFB2=1.0V
ITH source current 2
ITHSO2     10
18
-
礎(chǔ)    VFB2=0.6V
UVLO Threshold Voltage1
VUVLOL1   3.6     3.8     4.0
V    Vcc=5?V
UVLO Release Voltage1
VUVLOH1   3.65     3.9     4.2
V    Vcc=0?V
UVLO Threshold Voltage2
VUVLOL2   2.4     2.5     2.6
V    Vcc=5?V
UVLO Release Voltage2
VUVLOH2   2.425    2.55     2.7
V    Vcc=0?V
VS Discharge Resistance
RVS
-
40
80
&    Vcc=5V
Soft Start Time
TSS     0.4     0.8     1.6
ms    
Timer Latch Time
TLATCH    1.0     2.0     4.0
ms    SCP/TSD ON
Output Short circuit
Threshold Voltage
VSCP1     -
0.4     0.56
V    FB1=0.8?V
VSCP2     -
0.4     0.56
V    FB2=0.8?V
VSCP3     -
0.4     0.56
V    FB3=0.8?V
RST Release Voltage
VRST1    0.691    0.720    0.749     V    DET=0V?.8V
RST threshold Voltage
VRST2    0.668    0.696    0.724     V    DET=0.8V?V
RST Delay
TRST     40
50
60
ms    
RST ON Reststance
RONRST     -
140     280
&    
GATE Source Current
IGSO     0.5     1.5
-
mA    VFB3=0.6V , VGATE=2.5V
GATE Sink Current
IGSI     1.0     5.0
-
mA    VFB3=1.0V , VGATE=2.5V