参数资料
型号: BD9011EKN-E2
厂商: Rohm Semiconductor
文件页数: 1/30页
文件大小: 0K
描述: IC REG CTRLR BST PWM 36-HQFN
标准包装: 1
PWM 型: 控制器
输出数: 2
频率 - 最大: 550kHz
电源电压: 3.9 V ~ 30 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 105°C
封装/外壳: 36-TQFN 裸露焊盘
包装: 标准包装
产品目录页面: 1372 (CN2011-ZH PDF)
其它名称: BD9011EKN-E2DKR
TECHNICAL NOTE
Large Current External FET Controller Type Switching Regulator
Step-down,
High-efficiency
Switching Regulators
(Controller type)
BD9011EKN , BD9011KV , BD9775FV
■ BD9011EKN, BD9011KV
● Overview
The BD9011EKN/KV is a 2-ch synchronous controller with rectification switching for enhanced power management efficiency.
It supports a wide input range, enabling low power consumption ecodesign for an array of electronics.
● Features
1) Wide input voltage range: 3.9V to 30V
2) Precision voltage references: 0.8V ± 1%
3) FET direct drive
4) Rectification switching for increased efficiency
5) Variable frequency: 250k to 550kHz (external synchronization to 550kHz)
6) Built-in selected OFF latch and auto remove over current protection
7) Built-in independent power up/power down sequencing control
8) Make various application , step-down , step-up and step-up-down
9) Small footprint packages: HQFN36V, VQFP48C
● Applications
Car audio and navigation systems, CRTTV , LCDTV , PDPTV , STB , DVD , and PC systems , portable CD and DVD players,
etc.
● Absolute Maximum Ratings (Ta=25 ℃ )
Parameter
EXTVCC Voltage
Symbol
EXTVCC
Rating
*1
34
Unit
V
Parameter
COMP1,2 Voltage
Symbol
COMP1,2
Rating
Unit
VCCCL1,2 Voltage
VCCCL1,2
34
*1
V
DET1,2 Voltage
DET1,2
VREG5
V
CL1,2 Voltage
CL1,2
34
V
RT ? SYNC Voltage
RT ? SYNC
0.875
SW1,2 Voltage
BOOT1,2 Voltage
SW1,2
BOOT1,2
34
40
*1
*1
V
V
*2
( HQFN36V )
W
7
1.1
BOOT1,2-SW1,2
Voltage
STB, EN1,2 Voltage
VREG5,5A
VREG33
SS1,2 ? FB1,2
BOOT1,2-SW1,2
STB, EN1,2
VREG5,5A
VREG33
SS1,2 ? FB1,2
*1
VCC
7
VREG5
VREG5
V
V
V
V
V
Power Dissipation
Operating
temperature
Storage temperature
Junction temperature
Pd
Topr
Tstg
Tj
*2
( VQFP48C )
-40 to +105
-55 to +150
+150
W
*1 Regardless of the listed rating, do not exceed Pd in any circumstances.
*2 Mounted on a 70mm x 70mm x 0.8mm glass-epoxy board. De-rated at 7.44mW/ ℃( HQFN36V ) or 8.8 mW/ ℃( V QFP48C )
above 25 ℃ .
Sep. 2008
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BD9013KV-E2 功能描述:DC/DC 开关控制器 Step Down; 2 Outputs RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK