参数资料
型号: BD9328EFJ-E2
厂商: Rohm Semiconductor
文件页数: 1/18页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 2A 8HTSOP
标准包装: 1
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.9 V ~ 12.6 V
输入电压: 4.2 V ~ 18 V
PWM 型: 电流模式
频率 - 开关: 380kHz
电流 - 输出: 2A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
包装: 标准包装
供应商设备封装: 8-HTSOP-J
其它名称: BD9328EFJ-E2DKR
Single-chip Type with Built-in FET Switching Regulators
Simple Step-down
Switching Regulator
with Built-in Power MOSFET
BD9328EFJ
No.11027EAT55
● Description
The BD9328EFJ is a synchronous step-down switching regulator that integrates 2 low resistance N-channel MOSFETs.
It achieves 2A continuous output current over a wide input supply range.
Current mode operation provides fast transient response and easy phase compensation.
● Features
1) Wide operating INPUT Range 4.2V ~ 18.0V
2) 2A Output Current
3) Hi-side / Lo-side FET ON-resistance; 0.15 / 0.13 ? Power Switch
4) Low ESR Output Ceramic Capacitors are Available
5) Low Standby Current during Shutdown Mode
6) 380 kHz Fixed Operating Frequency
7) Feedback voltage 0.9V ±1.5% Accuracy at room temp. (±2.0% guaranteed for -25 ℃ to 85 ℃ temperature range)
8) Protection Circuits
Under Voltage Lockout Protection
Thermal Shutdown
Over Current Protection
9) HTSOP-J8 Package with Exposed thermal PAD.
● Applications
Distributed Power System
Pre-Regulator for Linear Regulator
● Absolute maximum ratings (Ta = 25 ℃ )
Parameter
Supply Voltage
Switch Voltage
Power Dissipation for HTSOP-J8
Package thermal resistance θ ja *2
Package thermal resistance θ jc *2
Operating Temperature Range
Storage Temperature Range
Junction Temperature
BST Voltage
EN Voltage
All other pins
Symbol
V IN
V SW
Pd
θ ja
θ jc
Topr
Tstg
Tjmax
V BST
V EN
V OTH
Ratings
20
20
3760 *1
29.27
3.75
-40 ~ +85
-55 ~ +150
150
V SW +7
20
20
Unit
V
V
mW
℃ /W
℃ /W
V
V
V
*1 Derating in done 30.08 mW/ ℃ for operating above Ta ≧ 25 ℃ (Mount on 4-layer 70.0mm × 70.0mm × 1.6mm board)
*2 Mount on 4-layer 50mm x 30mm x 1.6mm application board
www.rohm.com
? 2011 ROHM Co., Ltd. All rights reserved.
1/15
2011.02 - Rev.A
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