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BD9E300EFJ-LB(H2) PDF预览

BD9E300EFJ-LB(H2)

更新时间: 2023-09-03 20:24:58
品牌 Logo 应用领域
罗姆 - ROHM 开关转换器稳压器
页数 文件大小 规格书
33页 1655K
描述
本产品是面向工业设备市场的产品,保证可长期稳定供货。BD9E300EFJ-LB是内置低导通电阻的功率MOSFET的同步整流降压型开关稳压器。输入电压范围大(7V~36V),可生成5.0V等低电压。振荡频率1MHz的高速产品,适用于小型电感。是电流模式控制DC/DC转换器,具有高速瞬态响应性能,可轻松设定相位补偿。

BD9E300EFJ-LB(H2) 数据手册

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BD9E300EFJ-LB BD9E300UEFJ-LB  
Absolute Maximum Ratings (Ta = 25°C)  
Parameter  
Symbol  
Rating  
Unit  
Supply Voltage  
VIN  
VEN  
-0.3 to +40  
-0.3 to +40  
-0.3 to +45  
-0.3 to +7  
V
V
EN Input Voltage  
Voltage from GND to BOOT  
Voltage from SW to BOOT  
FB Input Voltage  
VBOOT  
VBOOT  
VFB  
V
V
-0.3 to +7  
V
COMP Input Voltage  
VCOMP  
VSW  
-0.3 to +7  
V
SW Input Voltage  
-0.5 to VIN + 0.3  
3.75 (Note 1)  
-40 to +150  
-55 to +150  
V
Allowable Power Dissipation  
Operating Junction Temperature Range  
Storage Temperature Range  
Pd  
W
C  
C  
Tj  
Tstg  
(Note 1) Derating in done 30.08 mW/°C for operating above Ta25°C (Mount on 4-layer 70.0mm x 70.0mm x 1.6mm board)  
Caution1: Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between pins or an open circuit  
between pins and the internal circuitry. Therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the IC is operated over  
the absolute maximum ratings.  
Caution2: Reliability is decreased at junction temperature greater than 125C.  
Recommended Operating Conditions  
Rating  
Typ  
Parameter  
Supply Voltage  
Symbol  
Unit  
Min  
7.0  
Max  
36  
VIN  
IOUT  
-
V
A
V
Output Current  
0
-
-
2.5  
Output Voltage Range  
VRANGE  
1.0(Note 2)  
VIN × 0.7  
(Note 2) Please use it in I/O voltage setting of which output pulse width does not become 150nsec (Typ) or less. See the page 22 for how to calculate the  
resistance of the output voltage setting.  
Electrical Characteristics (Unless otherwise specified VIN=24V VEN=3V Ta=25°C)  
Limit  
Typ  
Parameter  
Symbol  
Unit  
mA  
Conditions  
VFB = 1.1V  
Min  
-
Max  
2.5  
Supply Current in Operating  
IOPR  
1.5  
No switching  
Supply Current in Standby  
Reference Voltage  
ISTBY  
VFB  
-
0.98  
-1  
0
1.00  
0
10  
1.02  
1
µA  
V
VEN = 0V  
FB Input Current  
IFB  
µA  
MHz  
%
VFB = 0V  
Switching frequency  
FOSC  
Maxduty  
RONH  
RONL  
ILIMIT  
VUVLO  
VUVLOHYS  
VENH  
VENL  
0.85  
85  
-
1.00  
90  
1.15  
95  
-
Maximum Duty ratio  
High-side FET on-resistance  
Low-side FET on-resistance  
Over Current limit  
170  
140  
5.0  
6.4  
200  
-
mΩ  
mΩ  
A
ISW = 100mA  
ISW = 100mA  
-
-
-
-
UVLO detection voltage  
UVLO hysteresis voltage  
EN high-level input voltage  
EN low-level input voltage  
EN Input current  
6.1  
100  
2.5  
-
6.7  
300  
VIN  
0.8  
8.4  
V
VIN falling  
mV  
V
-
V
IEN  
2.1  
4.2  
µA  
VEN = 3V  
EN rising to  
FB=0.85V  
Soft Start time  
TSS  
1.5  
3.0  
6.0  
msec  
VFB : FB Input Voltage. VEN : EN Input Voltage.  
Pd should not be exceeded.  
www.rohm.co  
© 2013 ROHM Co., Ltd. All rights reserved.  
TSZ2211115001  
TSZ02201-0J3J0AJ00220-1-2  
01.Nov.2022 Rev.004  
5/30  

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