参数资料
型号: BD9739KN-E2
厂商: Rohm Semiconductor
文件页数: 5/15页
文件大小: 0K
描述: IC REG SW BUILT IN FET 64UQFN
标准包装: 2,500
应用: 控制器,数字式相机
输入电压: 1.5 V ~ 10 V
输出数: 7
工作温度: -25°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-UQFN
包装: 带卷 (TR)
BD9739KN,BD9740KN
● Block diagram and application circuit (BD9739KN)
Technical Note
Connect a capacitor to prevent
oscillation to the VREF pin.
(See page 7.)
Connect a
capacitor for setting
the soft start time.
(See pages 8& 9.)
Connect a
capacitor for soft
start at DTC pin.
(See page 8.)
Connect a resistor for
setting the output voltage.
(See page 8.)
For more information
about setting the SCP pin,
(See page 7.)
Connect a capacitor to prevent
oscillation to the VREGA pin.
(See page 7.)
Apply the PVCCH pin voltage
with an external charge
pump. (See page 4.)
The soft start times for CH4,
6, 7 are fixed internally.
(See page 9.)
Set the operating
frequency with the
RT and CT pins.
(See page 8.)
This pin is used as the
on/off control pin.
(See page 7.)
Set whether CH1 and CH5
will be used as step-up,
step-down or inversion.
(See page 7.)
Fig. 2 BD9739KN Application Circuit
www.rohm.com
? 2010 ROHM Co., Ltd. All rights reserved.
5/14
2010.09 - Rev.A
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