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BM2P121XH-Z ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 17 Page - Rohm

๋ถ€ํ’ˆ๋ช… BM2P121XH-Z
์ƒ์„ธ๋‚ด์šฉ  Non-isolated Type PWM DC/DC Converter IC Built-in Switching MOSFET
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BM2P121XH-Z ๋ฐ์ดํ„ฐ์‹œํŠธ(HTML) 17 Page - Rohm

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17/27
BM2P121XH-Z
TSZ02201-0F1F0A200560-1-2
17.Jan.2019 Rev.001
ฉ 2018 ROHM Co., Ltd. All rights reserved.
www.rohm.com
TSZ22111
? 15 ? 001
Electrical Characteristics in Control IC Part
(Unless otherwise noted, Ta = 25 ฐC)
Parameter
Symbol
Min
Typ
Max
Unit
Conditions
Circuit Current
Current at Switching Operation
ION1
-
850
1150
?A
DRAIN pin = open
Current at Burst Operation
ION2
300
450
550
?A
VCC Control Voltage
VCNT
11.88
12.00
12.12
V
Protection Function
VCC UVLO Voltage 1
VUVLO1
8.10
8.80
9.50
V
At VCC pin voltage rising
VCC UVLO Voltage 2
VUVLO2
6.60
7.30
8.00
V
At VCC pin voltage dropping
VCC UVLO Hysteresis
VUVLO3
-
1.50
-
V
VCC Recharge Start Voltage
VCHG1
7.00
7.70
8.40
V
At VCC pin voltage dropping
VCC Recharge Stop Voltage
VCHG2
7.40
8.10
8.80
V
At VCC pin voltage rising
VCC Recharge Hysteresis
VCHG3
0.20
0.40
0.70
V
VCC OVP Voltage 1
VOVP1
12.96
13.80
14.64
V
At VCC pin voltage rising
VCC OVP Voltage 2
VOVP2
12.36
13.20
14.04
V
At VCC pin voltage dropping
VCC OVP Hysteresis
VOVP3
-
0.60
-
V
TSD Temperature 1
TSD1
145
175
205
ฐC
At temperature rising(Note 1)
TSD Temperature 2
TSD2
-
110
-
ฐC
At temperature dropping(Note 1)
TSD Hysteresis
TSD3
-
65
-
ฐC
(Note 1)
Timer of VCC OVP and TSD
tCOMP
50
100
150
?s
PWM Type DC/DC Driver Block
Switching Frequency
fSW
60
65
70
kHz
Frequency Hopping Width
fDEL
-
4.0
-
kHz
Maximum Duty
DMAX
35
40
45
%
FB OLP ON Detection Timer
tFOLP1
40
64
88
ms
FB OLP OFF Timer
tFOLP2
332
512
692
ms
Soft Start Time 1
tSS1
2.8
4.0
5.2
ms
Soft Start Time 2
tSS2
5.6
8.0
10.4
ms
Soft Start Time 3
tSS3
11.2
16.0
20.8
ms
(Note 1) Not 100 % tested.


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