参数资料
| 型号： | BD9845FV-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 1/16页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM 14-SSOP |
| 标准包装： | 1 |
| PWM 型： | 控制器 |
| 输出数： | 1 |
| 频率 - 最大： | 1.5MHz |
| 占空比： | 100% |
| 电源电压： | 3.6 V ~ 35 V |
| 降压： | 是 |
| 升压： | 无 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 14-LSSOP（0.173"，4.40mm 宽） |
| 包装： | 标准包装 |
| 产品目录页面： | 1373 (CN2011-ZH PDF) |
| 其它名称： | BD9845FV-E2DKR |
Large Current External FET Controller Type Switching Regulators
Single/Dual-output
High-frequency Step-down
Switching Regulator(Controller type)
BD9845FV
No.11028EDT08
● Overview
BD9845FV is an IC containing a circuit of switching regulator controller by pulse width modulation system.
This circuit can be used for step-down DC/DC converter operation.
In addition, the package is designed compact, and is optimum for compact power supply for many kinds of equipment.
● Feature
1) High voltage resistance input (Vcc=35V)
2) FET driver circuit is contained (step-down circuit 1 output).
3) Error amplifier reference voltage (1.0V ? 1%) and REG output circuit (2.5V) are contained.
4) Overcurrent detection circuit is contained.
5) Soft start and pause period can be adjusted.
6) Three modes of standby, master, and slave can be switched. (iccs = 0 uA typ in standby mode.)
7) ON/OFF control is enabled independently for each channel. (DT terminal)
● Application
LCD, PDP, PC, AV, Printer, DVD, Projector TV, Fax, Copy machine, Measuring instrument, etc.
● Absolute maximum rating
Item
Supply voltage
Permissible loss
OUT terminal voltage resistance
C5V terminal voltage resistance
Operation temperature range
Storage temperature range
Joint temperature
Symbol
Vcc
Pd
OUT
C5V
Topr
Tstg
Tjmax
Rating
36
500 ＊ 1
Vcc-7V to Vcc
Vcc-7V to Vcc
-40 to +85
-55 to +150
150
Unit
V
mW
V
V
°C
°C
°C
*1 When glass epoxy board 70.0 mm ? 70.0 mm ? 1.6 mm is installed onboard. Reduced by 4.0 mW/C above Ta=25 ? C.
● Operating condition (Ta=25 ? C)
Item
Supply voltage
Output terminal voltage
Timing capacity
Oscillation frequency
STB input voltage
SEL input voltage
www.rohm.com
? 2011 ROHM Co., Ltd. All rights reserved.
Symbol
Vcc
OUT
CCT
Fosc
VSTB
VSELTB
1/15
Range
3.6 to 35
C5V – Vcc
47 to 3000
100 to 1500
0 to Vcc
0 to Vcc
Unit
V
V
pF
kHz
V
V
2011.08 - Rev.D
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相关代理商/技术参数 |
参数描述 |
|---|---|
| BD9846FV | 制造商:ROHM 制造商全称:Rohm 功能描述:Silicon Monolithic Integrated Circuit |
| BD9846FV-E2 | 功能描述:IC REG CTRLR BUCK PWM 20-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR) |
| BD9848FV | 制造商:ROHM 制造商全称:Rohm 功能描述:Silicon Monolithic Integrated Circuit |
| BD9848FV-E2 | 制造商:ROHM Semiconductor 功能描述: |
| BD9850FVM | 制造商:ROHM 制造商全称:Rohm 功能描述:Single-output High-frequency Step-down Switching Regulator(Controller type) |
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