BD8150KVT データシートの表示（PDF） - ROHM Semiconductor
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BD8150KVT Datasheet PDF : 19 Pages
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BD8150KVT
Technical Note
●Electrical Characteristics (Unless otherwise specified, VCC = 5 V, REGVCC = 12V, Ta = 25°C)
Parameter
Symbol
Min.
Limit
Typ.
Max. Unit
Conditions
[ (1) DC/DC converter controller ERR AMP1, 2 ]
Input bias current
Ib12
−3
−0.1
3
μA INV = 0.5 V
Input offset voltage
Vos12
−10
0
10
mV
Output source current
Iesc12
−2
−0.7
−0.2 mA VFB = 1.25 V, INV = 0.5 V, NON = 2.5 V
Output sink current
Iesk12
0.1
0.3
1
mA VFB = 1.25 V, INV = 1.5 V, NON = 0 V
Input voltage range
VNON12
−0.1
−
VCC−1 V
Max. output voltage
Voh12
1.8
2.1
2.4
V IFB = −0.1 mA
Min. output voltage
Vol12
0.6
0.8
1.0
V IFB = 0.1 mA
Feedback voltage
FB1
1.225
1.25
1.275 V ERRAMP1 only
[ (1) PWM and DRV ]
Output sink current
Ipsk12
70
130
200 mA GD1, 2 = 5 V
Output source current
Ipsc12
−245
−160
−85 mA GD1, 2 = 0 V
[ (1) UD Selector ]
High-side threshold voltage
Vudh VCC 0.7 VCC
−
V Step-down operation
Low-side threshold voltage
Vudl
−
0 VCC 0.3 V Step-up operation
[ (1) Detector 1, 2 ]
High-side threshold voltage 1 Vdeh12
0.9
1.0
1.1
V DET1, 2 L H sweep up VINV
Low-side threshold voltage 1 Vdel12
0.6
0.7
0.8
V DET1, 2 H L sweep down VINV
High-side threshold voltage 2 Vdeh22
0.1
0.2
0.3
V DET2 LH,Inverting sweep down VNON
Low-side threshold voltage 2 Vdel22
0.4
0.5
0.6
V DET2 HL,Inverting sweep up VNON
DET1 max. output voltage
Vdh1
4.8
5.0
−
V
DET1 min. output voltage
Vdl1
−
0
0.2
V
DET2 max. output voltage
Vdh2
4.8
5.0
−
V
DET2 min. output voltage
Vdl2
−
0
0.2
V
[ (1) Oscillator ]
Switching frequency
Fsw12
0.8
1.0
1.2 MHz
Frequency variation
Fc12
−
10
−
% VCC = 3 V to 13 V
[ (1) Soft start ]
Source current
Iscss
6
10
14
μA
Sink current
Iskss
0.5
1
2
mA CTL1, 2 = 0 V
[ (1) Timer latch ]
Source current
Isctl
6
10
14
μA SCP = 1.0 V
SCP threshold voltage
Vthscp
−
1.25
−
V
[ (1) DTC1 ]
Input bias current
Vdtc1
−3
−0.1
3
μA
High-side threshold voltage
VdtcH1
−
1.5
−
V On Duty = 0%
Low-side threshold voltage
VdtcL1
−
1.0
−
V On Duty = 100%
[ (1) DTC2 ]
Input bias current
Idtc2
−3
−0.1
3
μA
High-side threshold voltage
IdtcH2
−
1.5
−
V On Duty = 100%
Low-side threshold voltage
IdtcL2
−
1.0
−
V On Duty = 0%
[ (2) Charge pump driver ERR AMP3, 4 ]
Feedback voltage
FB3
1.212
1.25
1.288 V
FB4
−
0
−
V
Input bias current
Ib34
−3
−0.1
3
μA Buffer
I/O voltage difference
∆Vd34
−
0.2
0.5
V Io = −10 mA
Output current capacity
Io34
−
−130
−50 mA VFB = 0 V
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2/18
2009.07 - Rev.B
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