BD9526AMUV Datasheet, PDF (2/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

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○Electrical characteristics (unless otherwise noted,
Parameter
Symbol
VIN1 Bias Current
VIN2 Bias Current 1
IIN1
IIN2_1
VIN2 Bias Current 2
IIN2_2
VIN1 Shutdown Current
ISHD1
VIN2 Shutdown Current
ISHD2
CTL Low Voltage
CTL High Voltage
VCTLL
VCTLH
CTL Bias Current
ICTL
EN Low Voltage
EN High Voltage
VENL
VENH
EN Bias Current
IEN
[5V Linear Regulator]
INTVCC output Voltage
INTVCC Maximum Current
INTVCC Line regulation
INTVCC Load regulation
[3.3V Linear Regulator]
REG1 Output Voltage
REG1Maximum Current
REG1Line regulation
REG1Load regulation
REG2 Output Voltage
REG2Maximum Current
REG2Line regulation
REG2Load regulation
[5V Switch Block]
EXTVCC Input Threshold Voltage
EXTVCC Input Delay Time
VINTVCC
IINTVCC
Reg.lINT
Reg.LINT
VREG1
IREG1
Reg.l1
Reg.L1
VREG2
IREG2
Reg.l2
Reg.L2
Vcc_UVLO
TVcc
Switch Resistance
RVcc
[Under voltage lock out block for DC/DC]
INTVCC Threshold Voltage
REG1_UVLO
REG2 Threshold Voltage
REG2_UVLO
Hysteresis voltage
dV_UVLO
[Error amplifier block]
Feed back voltage 1
VFB1
FB1 Bias Current
IFB1
Output Discharge Resistance 1
RDISOUT1
Feed back voltage 2
VFB2
FB2 Bias Current
IFB2
Output Discharge Resistance 2
RDISOUT2
REF1, REF2 Bias Current
[H³REG block]
IREF1, IREF2
ON Time 1
TON1
ON Time 2
TON2
Maximum On Time
TONMAX
Minimum Off Time
TOFFMIN
[FET Driver block]
HG higher side ON resistor
HGHON
HG lower side ON resistor
HGLON
LG higher side ON resistor
LGHON
LG lower side ON resistor
LGLON
[Short circuit protection block]
SCP Threshold Voltage
VSCP
Delay Time
[Current limit protection block]
Maximum offset voltage
TSCP
dVSMAX
Is+1 bias current
IISP1
Is+2 bias current
IISP2
[Soft Start block]
Soft Start Time
[SLLM mode control block]
MCTL terminal voltage 1
TSS
VCONT
MCTL terminal voltage 2
VQLLM
MCTL terminal voltage 3
MCTL float level
VSLLM
VMCTL
Ta=25℃ VIN1=VIN2=12V, CTL=5V, EN1=EN2=5V, REF1=2.5V, REF2=1.65V, RFS1=RFS2=51kΩ)
Min.
-
-
-
-
-
-0.3
2.3
-
-0.3
2.3
-
Limit
Typ.
130
100
20
0
0
-
-
1
-
-
1
Max.
200
150
40
10
10
0.8
25
3
0.8
5.5
3
Unit
Condition
μA CTL=5V
μA CTL=5V, EN1=EN2=0V
μA
CTL=5V,
EN1=EN2=0V,EXTVCC=5V
μA CTL=0V
μA CTL=0V
V
V
μA VCTL=5V
V
V
μA VEN=3V
4.90
5.00
5.10
V IINTVCC1=1mA
200
-
-
mA IREG2=0mA
-
-
180
mV VIN=7.5 to 25V
-
-
50
mV IINTVCC=0 to 30mA
3.27
3.30
3.33
V IREG1=1mA
100
-
-
mA
-
-
33
mV VIN=7.5 to 25V
-
-
33
mV IREG1=0 to 50mA
3.27
3.30
3.33
V IREG2=1mA
100
-
-
mA
-
-
20
mV VIN=7.5 to 25V
-
-
30
mV IREG2=0 to 100mA
4.2
4.4
4.6
V EXTVCC: Sweep up
2
4
8
ms
-
1.0
2.0
Ω
4.0
4.2
4.4
V INTVCC: Sweep up
2.45
2.65
2.85
V REG2: Sweep up
50
100
200
mV INTVCC, REG2: Sweep down
REF1×2 -25m
5
-
REF2×2 -25m
3
-
-1
REF1×2
25
1
REF2×2
16
1
-
REF1×2 +25m
50
3
REF2×2 +25m
32
3
1
V
μA FB1=5V
kΩ
V
μA FB2=3.3V
kΩ
μA
0.860
0.570
3.5
-
-
-
-
-
REF×2×0.66
0.5
43
-
-
0.5
-0.3
1.5
4.5
1.5
0.960
0.670
7
0.2
3.0
2.0
2.0
0.5
REF×2×0.7
1
50
2.5
2.5
1.0
-
-
-
-
1.060
0.770
14
0.4
6.0
4.0
4.0
1.0
REF×2×0.74
2
57
10
10
2.0
0.3
3.0
INTVCC+0.3
3.0
μs REF=2.5V
μs REF=1.65V
μs
μs
Ω
Ω
Ω
Ω
V
ms
mV
μA Is+1=2V
μA Is+2=2V
ms
V Continuous mode
V
QL²M mode
(Maximum LG off time : 40usec)
V
SL²M mode
(Maximum LG off time : ∞)
V
REV. B