BD8150KVT_09 Datasheet, PDF (3/19 Pages) Rohm – 4-channel System Power Supply + Gamma Buffer Amp IC

BD8150KVT
Technical Note
●Electrical Characteristics (Unless otherwise specified, VCC = 5 V, REGVCC = 12 V, Ta = 25°C)
Parameter
Symbol
Min.
Limit
Typ.
Unit
Max.
Conditions
[ (2) Driver ]
Switching frequency
Fsw34
200
250
300 kHz
Frequency variation
Fc34
−
10
−
% VCC = 3V to 13V
[ (2) Detector ]
High-side threshold voltage
Vdeh3
Vdeh4
0.9
0.1
1.0
0.2
1.1
V DET3 L  H, sweep up INV3
0.3
V DET4 L  H, sweep down NON4
Low-side threshold voltage
DET3 min. output voltage
Vdel3
0.6
Vdel4
0.4
Vdh3
4.8
Vdl3
−
0.7
0.8
V DET3 H  L, sweep down NON3
0.5
0.6
V DET4 H  L, sweep up NON4
5.0
−
V
0
0.2
V
DET4 max. output voltage
Vdh4
4.8
5.0
−
V
Vdl4
−
0
0.2
V
[ (3) Low-dropout regulator]
Feedback voltage
FBR
1.237
1.25
1.263 V Buffer, Io = −10mA
Input bias current
Ibr
−3
−0.1
3
μA Buffer
I/O voltage difference
∆Vdr
−
0.2
0.5
V Io = −10mA
Output current capacity
Input stability
Io
RegI
−
−130
−50
mA VREG = 0V
−
1
10
mV REGVCC = 4.5V to 14V
Load stability
Ripple rejection ratio
RegL
−
1
10
mV Io = 1mA  10mA
RR
35
50
−
dB f = 120Hz
[ (4) Buffer Amp ]
Input offset voltage
Voso
−10
0
10
mV
Input bias current
Ibo
−3
−0.1
3
μA IN+ = 6V
Driver current
Ioo
20
50
−
mA
Load stability
∆Vo
−
1
10
mV Io = +1mA to −1mA
Slew rate
SRo
−
2
−
V/μs
Max. output current
Voho
REGVCC REGVCC
−1.0
−0.8
−
V Io = −1mA, IN+ = REGVCC
Min. output current
Vohl
−
0.1
0.16
V Io = 1mA, IN+ = 0V
[ (5) Overall BG ]
BG output voltage
Vref
1.225 1.250 1.275 V Io = −0.1mA
Input stability
Load stability
Output current capacity
∆Vi
−
5
20
mV VCC = 3V to 13V
∆Vl
−
1
10
mV Io = 0mA  0.1mA
Iovr
0.2
1
−
mA BG = 0V
[ VREF17 ]
VREF17 output voltage
Vref17 1.666 1.700 1.734 V Io = −0.1mA
Input stability
Load stability
Output current capacity
∆Vi17
−
5
20
mV VCC = 3V to 13V
∆Vl17
−
1
10
mV Io = 0mA  0.1mA
Iovr17
0.2
1
−
mA VREF17 = 0V
[ (5)CTL1 to CTL4 ]
High-side threshold voltage
Vcth
Low-side threshold voltage
Vctl
[ (5) Under-voltage lockout protection ]
VCC0.7
−
VCC
−
V Circuit active
0
VCC0.3 V Circuit off
Threshold voltage
Vuvlo
2.327
2.45
2.573 V
Hysteresis
Hys
−
0.1
−
V
[ (5)Total supply current ]
Standby current
Istb
−
0
10
μA
Average consumption current
Icc
1.1
2
2.9
mA
[ (5)All ENABLE ]
Sink current
Ies
2
4
8
mA ENABLE = 5V
[ (5)PG ]
Source current
Igso
1.2
2.5
5
mA CTL1 = CTL2 = 0V, PG = 2.5V
Sink current
Igsi
2
5
* This product is not designed for protection against radio active rays.
8
μA CTL1 = 5V, PG = 2.5V
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3/18
2009.07 - Rev.B