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BM1Q001FJ-E2 Datasheet(PDF) 3 Page - Rohm

Part # BM1Q001FJ-E2
Description  Quasi-Resonant Control type DC/DC Converter IC
Download  29 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BM1Q001FJ-E2 Datasheet(HTML) 3 Page - Rohm

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Datasheet
Datasheet
BM1Q00XFJ Series
TSZ02201-0F2F0A200110-1-2
17.JUN.2015 Rev.003
© 2015 ROHM Co., Ltd. All rights reserved.
www.rohm.com
TSZ22111・15・001
●IC control unit Electrical Characteristics (Unless otherwise noted, Ta = 25
C, VCC = 15 V)
Parameter
Symbol
Specifications
Unit
Conditions
MIN
TYP
MAX
[ DC/DC converter unit (Turn-off)]
Pull-up resistor of FB pin
RFB
22.5
30.0
37.5
kΩ
FB=0V
CS over current voltage 1A
Vlim1A
0.475
0.500
0.525
V
FB=2.2V (ACSNS=L)
CS over current voltage 1B
Vlim1B
0.310
0.350
0.390
V
FB=2.2V (ACSNS=H)
CS over current voltage 2A
Vlim2A
0.100
0.125
0.150
V
FB=0.5V (ACSNS=L)
CS over current voltage 2B
Vlim2B
0.062
0.088
0.113
V
FB=0.5V (ACSNS=H)
Voltage gain1
(Δ
VFB/ΔVCS)
AVCS1
3.40
4.00
4.60
V/V
ACSNS=L
Voltage gain 2
(Δ
VFB/ΔVCS)
AVCS2
4.86
5.71
6.57
V/V
ACSNS=H
ZT current switched CS 1
IZT1
0.93
1.00
1.07
mA
ZT current switched CS 2
IZT2
0.82
0.90
0.98
mA
ZT current hysteresis
switched CS voltage
IZTHYS
-
0.10
-
mA
CS Leading Edge Blanking
TLEB
-
0.250
-
us
Turn-off time
TOFF
-
0.150
-
us
Minimum ON width
Tmin
-
0.400
-
us
TLEB+TOFF
Maximum ON width
Tmax
30.0
39.0
50.7
us
[ DC/DC converter unit (Turn-on)]
ZT input current 1
IZT1
4
14
24
uA
OUT=L, ZT=4.65V
ZT input current 2
IZT2
6
16
26
uA
OUT=L, ZT=5.00V
ZT input current 3
IZT3
8
18
28
uA
OUT=L, ZT=5.35V
Max frequency 1
FSW1
108
120
132
kHz
FB=2.0V
Max frequency 2
FSW2
21
30
39
kHz
FB=0.5V
Frequency reduction start
voltage
VFBSW1
1.10
1.25
1.40
V
Frequency reduction end voltage
VFBSW2
0.42
0.50
0.58
V
ZT comparator voltage1
VZT1
60
100
140
mV
ZT fall
ZT comparator voltage2
VZT2
120
200
280
mV
ZT rise
ZT trigger mask time
TZTMASK
-
0.6
-
us
In OUT H ->L,
prevent noise
ZT trigger Timeout1
TZTOUT1
10.5
15.0
19.5
us
ZT trigger Timeout2
TZTOUT2
3.5
5.0
6.5
us
From final ZT trigger
[DC/DC protection ]
Soft start time1
TSS1
0.35
0.50
0.65
ms
Soft start time 2
TSS2
0.70
1.00
1.30
ms
Soft start time 3
TSS3
1.40
2.00
2.60
ms
Soft start time 4
TSS4
2.80
4.00
5.20
ms
FB Burst voltage
VBURST1
0.42
0.50
0.58
V
Burst ON
FB OLP voltage a
VFOLP1A
2.6
2.8
3.0
V
FBOLP detect(FB rise)
FB OLP voltage b
VFOLP1B
-
2.6
-
V
FBOLP detect(FB fall)
FB OLP delay timer
TFOLP
44.8
64
83.2
ms
FBOLP stop timer
TOLPST
358
512
666
ms
Latch released voltage
VCC pin voltage)
VLATCH
-
VUVLO2
0.50
-
V
Latch mask time
TLATCH
50
100
200
ms
ZT OVP voltage
VZTL
4.65
5.00
5.35
V
[BM1Q002FJ]
* Definition of ACSNS (L :
ZT current<IZT1 、H : ZT current > IZT1)


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