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BM81810MUF-M 데이터시트(PDF) 6 Page - Rohm

부품명 BM81810MUF-M
상세설명  Automotive Panel Power Management IC
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제조업체  ROHM [Rohm]
홈페이지  http://www.rohm.com
Logo ROHM - Rohm

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TSZ02201-0A3A0AS00510-1-2
© 2020 ROHM Co., Ltd. All rights reserved.
15.May.2020 Rev.001
TSZ22111
• 15 • 001
www.rohm.com
Electrical Characteristics (Unless otherwise specified, Ta=25°C, VIN, VINB=3.3V)
1. VDD regulator block (Alternative Buck converter or LDO)
Parameter
Symbol
Limits
Unit
Condition
Min
Typ
Max
Output Voltage Range
VDD
0.9
-
3.4
V
50 mV step
Output Voltage Accuracy 1
VDD_R1
2.462
2.5
2.538
V
VDD=2.5 V setting
Output Voltage Accuracy 2
VDD_R2
-2.0
-
+2.0
%
VDD=2.5 V to 3.4 V setting
(Ta=-40 to +105 °C)
Output Voltage Accuracy 3
VDD_R3
-3.0
-
+3.0
%
VDD=0.9
V
to
2.45
V
setting
(Ta=-40 to +105 °C)
Soft Start time
VDD_SS
0.85
1
1.15
ms
VDD=1.2 V setting
Under-Voltage Protection voltage
VDD_UVP
VDD×0.7
VDD×0.8
VDD×0.9
V
SWB H Side ON Resistance
RONH_SWB
-
300
480
DCDC mode
SWB L Side ON Resistance
RONL_SWB
-
300
480
DCDC mode
SWB H Side ON Resistance
RON_SWB
-
1.0
2.0
Ω
LDO mode
SWB H Side Leak Current
IL_ SWBH
-
0
20
µA
(Ta=-40 to +105 °C)
SWB L Side Leak Current
IL_ SWBL
-
0
20
µA
(Ta=-40 to +105 °C)
Current Limit
ILMT_SWB1
1.0
1.7
2.7
A
Buck DCDC mode
Current Limit
ILMT_SWB2
0.3
0.5
0.7
A
LDO mode
Maximum Duty
DMAX_SWB
87
95
-
%
Freq=1.05 MHz
(Freq=0.525 MHz:98%typ)
(Freq=2.10 MHz:87%typ)
Discharge Resistance
DISR_VDD
-
25
50
Ω
2. Boost DC/DC converter block (AVDD)
Parameter
Symbol
Limits
Unit
Condition
Min
Typ
Max
Output Voltage Range
AVDD
5.0
-
17.0
V
0.1 V step
Output Voltage Accuracy1
AVDD_R1
10.342
10.5
10.66
V
AVDD=10.5 V setting
Output Voltage Accuracy2
AVDD_R2
10.29
10.5
10.71
V
AVDD=10.5 V setting
(Ta=-40 to +105 °C)
Load Switch Soft Start time
LS_SS
1.7
2
2.3
ms
Soft Start Time
AVDD_SS
4.25
5
5.75
ms
AVDD=10.5 V setting
5 ms setting
Under-Voltage Protection voltage
AVDD_UVP
AVDD×0.7
AVDD×0.8
AVDD×0.9
V
Over-Voltage Protection voltage
AVDD_OVP
AVDD×1.03
AVDDx1.1
AVDD×1.2
V
SW H Side On Resistance
RON_SW
-
250
480
SW L Side On Resistance
RON_SW
-
200
350
SW H Side Leak Current
IL_SWH
-
0
20
µA
(Ta=-40 to +105 °C)
SW L Side Leak Current
IL_SWL
-
0
20
µA
(Ta=-40 to +105 °C)
Current Limit
ILMT_SW
2.0
4.0
6.0
A
AVDD OCP=2 A setting
Current Limit
ILMT_SW
1.0
2.0
2.5
A
AVDD OCP=1 A setting
Load Switch ON Resistance
RON_LS
-
200
350
Maximum Duty
DMAX_SW
83
90
-
%
Freq=1.05 MHz
(Freq=0.525 MHz:95%typ)
(Freq=2.10 MHz:80%typ)
Discharge Resistance
DISR_AVDD
-
25
50
Ω


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