BD9011EKN 查看數據表（PDF） - ROHM Semiconductor
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BD9011EKN
ROHM Semiconductor
BD9011EKN Datasheet PDF : 29 Pages
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●Operating conditions (Ta=25℃)
Parameter
Symbol
Min.
Input voltage 1
EXTVCC
3.9 *1 *2
Input voltage 2
VCC
3.9 *1 *2
BOOT－SW voltage
BOOT－SW
4.5
Carrier frequency
OSC
250
Synchronous frequency
SYNC
OSC
Synchronous pulse duty
Duty
40
Min OFF pulse
TMIN
-
★This product is not designed to provide resistance against radiation.
*1 After more than 4.5V, voltage range.
*2 In case of using less than 6V, Short to VCC, EXTVCC and VREG5.
Typ.
Max.
Unit
12
30
V
12
30
V
5
VREG5
V
300
550
kHz
-
550
kHz
50
60
％
100
-
nsec
●Electrical characteristics (Unless otherwise specified, Ta=25℃ VCC=12V STB=5V EN1,2=5V)
Parameter
Symbol
Limit
Unit
Min.
Typ.
Max.
VIN bias current
IIN
-
5
10
mA
Shutdown mode current
IST
-
0
10
μA
［Error Amp Block］
Feedback reference voltage
Feedback reference voltage
(Ta=-40 to 105℃)
Open circuit voltage gain
VO input bias current
［FET Driver Block］
HG high side ON resistance
HG low side ON resistance
LG high side ON resistance
LG low side ON resistance
［Oscillator］
Carrier frequency
Synchronous frequency
［Over Current Protection Block］
CL threshold voltage
CL threshold voltage
（Ta=-40 to 105℃）
［VREG Block］
VOB
VOB+
Averr
IVo+
HGhon
HGlon
LGhon
LGlon
FOSC
Fsync
Vswth
Vswth+
0.792 0.800 0.808
V
0.784 0.800 0.816
V
-
46
-
dB
-
-
1
μA
-
1.5
-
Ω
-
1.0
-
Ω
-
1.5
-
Ω
-
0.5
-
Ω
270
300
330
kHz
-
500
-
kHz
70
90
110
ｍV
67
90
113
ｍV
VREG5 output voltage
VREG5
4.8
5
5.2
V
VREG33 reference voltage
VREG33
3.0
3.3
3.6
V
VREG5 threshold voltage
VREG_UVLO
2.6
2.8
3.0
V
VREG5 hysteresis voltage DVREG_UVLO 50
100
200
mV
［Soft start block］
Charge current
ISS
6.5
10
13.5
μA
Charge current
(Ta=-40 to 105℃)
ISS+
6
10
14
μA
Note: Not all shipped products are subject to outgoing inspection.
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Conditions
VSTB=0V
Ta=-40 to 105℃ ※
RT=100 kΩ
RT=100 kΩ,SYNC=500kHz
Ta=-40 to 105℃ ※
IREF=6mA
IREG=6mA
VREG:Sweep down
VREG:Sweep up
VSS=1V
VSS=1V,Ta=-40 to 105℃ ※
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