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BM2PXX5F/BM2PXX6F/BM2PXX7F/BM2PXX8F Series
●Electrical Characteristics (unless otherwise noted, Ta = 25C, VCC = 15 V)
Specifications
Parameter
[Circuit Current]
Symbol
Unit
Conditions
Min
Typ
Max
FB=2.0(at pulse operation)
BM2Px5xF
Circuit current (ON) 1
Circuit current (ON) 1
ION1
ION1
ION2
410
350
200
600
500
300
790
650
400
μA
μA
μA
FB=2.0(at pulse operation)
BM2Px9xF
Circuit current (ON) 2
FB=0.0V(at burst operation)
[VCC Protection Function]
VCC UVLO voltage 1
VCC UVLO voltage 2
VCC UVLO hysteresis
VCC OVP voltage 1
VCC OVP voltage 2
VCC OVP hysteresis
Latch released VCC voltage
VUVLO1
VUVLO2
VUVLO3
VOVP1
VOVP2
VOVP3
VLATCH
12.50
7.50
-
13.50
8.20
5.30
27.5
23.5
14.50
8.90
-
V
V
V
V
V
V
V
VCC rise
VCC fall
VUVLO3= VUVLO1- VUVLO2
VCC rise
BM2Pxx6F/BM2Pxx8F VCC fall
BM2Pxx6F/BM2Pxx8F
26.0
29.0
-
-
-
-
-
-
4.0
VUVLO2-0.5
VCC recharge start voltage
VCHG1
7.70
8.70
9.70
V
VCC recharge stop voltage
Latch mask time
Thermal shut down temperature1
Thermal shut down temperature2
VCHG2
tLATCH
TSD1
12.00
50
120
-
13.00
100
145
14.00
150
-
-
V
us
C
C
Control IC, temp rise
Control IC, temp fall
TSD2
115
[PWM Type DCDC Driver Block]
Oscillation frequency 1
Oscillation frequency 2
Frequency hopping width 1
Hopping fluctuation frequency
FADJ source current
FADJ comparator voltage
FADJ max burst frequency
Soft start time 1
Soft start time 2
Soft start time 3
Soft start time 4
Maximum duty
FSW1
FSW2
FDEL1
FCH
60
20
-
65
25
4.0
70
30
-
KHz
KHz
KHz
Hz
uA
V
KHz
ms
ms
ms
ms
%
FB=2.00V
FB=0.30V
FB=2.0V
75
125
175
1.20
1.27
-
0.70
1.40
2.80
4.80
82.0
650
37
IBST
0.80
1.13
-
0.30
0.60
1.20
3.20
68.0
150
23
1.00
1.20
0.833
0.50
1.00
2.00
4.00
75.0
400
FADJ=0.0V
VBST
FBST
tSS1
tSS2
tSS3
tSS4
Dmax
Tmin
CFADJ=1000pF
Minimum ON pulse
FB pin pull-up resistance
ns
RFB
30
kΩ
V/V
V
V
V
ΔFB / ΔSOURCE gain
FB burst voltage 1
FB burst voltage 2
FB burst hysteresis
FB voltage of
starting frequency reduction mode
FB OLP voltage 1a
FB OLP voltage 1b
FB OLP ON time
Gain
VBST1
VBST2
VBST3
-
4.00
0.280
0.320
0.04
-
0.220
0.260
-
0.340
0.380
-
FB fall
FB rise
VBST3= VBST2- VBST1
VDLT
1.100
1.250
1.400
V
VFOLP1A
VFOLP1B
TFOLP1
TFOLP2
2.60
-
80
2.80
2.60
128
512
3.00
-
176
692
V
V
ms
ms
Overload is detected (FB rise)
Overload is detected (FB fall)
FB OLP OFF time
332
BM2Pxx5F/BM2Pxx6F
[Over Current Detection Block]
Over-current detection voltage
VSOURCE
VS_SS1
VS_SS2
VS_SS3
VS_SS4
tLEB
0.375
0.400
0.100
0.150
0.200
0.300
250
0.425
V
V
Ton=0us
Over-current detection voltage SS1
Over-current detection voltage SS2
Over-current detection voltage SS3
Over-current detection voltage SS4
Leading edge blanking time
-
-
-
-
-
-
-
-
-
-
0[ms] to Tss1 [ms]
TSS1 [ms] to TSS2 [ms]
TSS2 [ms] to TSS3 [ms]
TSS3 [ms] to TSS4 [ms]
V
V
V
ns
Over current detection AC voltage
compensation factor
KSOURCE
12
20
28
mV/us
SOURCE pin short protection voltage
SOURCE pin short protection time
[Start Circuit Block]
VSHT
0.020
1.80
0.050
3.00
0.080
4.20
V
TSOURCESHT
us
Start current 1
Start current 2
ISTART1
ISTART2
0.100
1.000
0.500
3.000
1.000
6.000
mA
mA
VCC= 0V
VCC=10V
Inflow current from Drain pin after
UVLO is released and when
MOSFET is OFF
OFF current
ISTART3
VSC
-
10
20
uA
V
Start current switching voltage
0.800
1.500
2.100
www.rohm.com
TSZ02201-0F2F0A200210-1-2
28.Oct.2016.Rev.002
© 2012 ROHM Co., Ltd. All rights reserved.
3/19
TSZ22111・15・001
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