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BA9700 PDF预览

BA9700

更新时间: 2024-01-10 18:32:38
品牌 Logo 应用领域
罗姆 - ROHM 转换器稳压器开关
页数 文件大小 规格书
7页 144K
描述
Switching regulator for DC / DC Converters

BA9700 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:SSOP包装说明:SSOP-14
针数:14Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.81Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:VOLTAGE-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:24 V
最小输入电压:3.55 V标称输入电压:5 V
JESD-30 代码:R-PDSO-G14长度:5 mm
功能数量:1端子数量:14
最高工作温度:80 °C最低工作温度:-20 °C
最大输出电流:0.03 A封装主体材料:PLASTIC/EPOXY
封装代码:LSSOP封装等效代码:TSSOP14,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:1.25 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BUCK-BOOST
最大切换频率:470 kHz技术:BIPOLAR
温度等级:COMMERCIAL EXTENDED端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:4.4 mm
Base Number Matches:1

BA9700 数据手册

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BA9700A / BA9700AF / BA9700AFV  
Regulator ICs  
Switching regulator for DC / DC  
Converters  
BA9700A / BA9700AF / BA9700AFV  
The BA9700A, BA9700AF and BA9700AFV are switching regulators that use a pulse width modulation (PWM) system.  
They use a transistor switch to stabilize the output voltage.  
By the use of the transistor, power loss is decreased, fluctuation efficiency is improved, and the circuit is made more  
compact and single.  
!Features  
1) Output voltage can step up, step down, or invert at an  
arbitrary level.  
6) Dead time controller restricts operation when  
overloaded.  
2) Low current consumption. (typically 1.7mA)  
3) Wide oscillation frequency range.  
(typically 2.8k ~ 470kHz)  
7) Power switch can isolate all circuits in the IC.  
8) Best suited for battery operated equipment.  
9) Compact 14-pin SSOP package (BA9700AFV).  
4) Built-in reference voltage current. (typically 2.57V)  
5) Operates at low voltage. (minimally 3.55V)  
!Block diagram  
NON  
POWER  
INVERT  
INPUT  
INVERT  
INPUT  
SW  
1/2 Vref  
13  
V
ref  
N. C.  
9
V
CC  
14  
12  
11  
10  
8
Voltage  
Regulator  
+
30k  
30k  
Error  
Amp  
V
ref  
BA9700A  
BA9700AF  
PWM  
Comparator  
Triangle  
Oscillator  
1
2
3
4
5
6
N. C.  
7
CT  
FEED  
BACK  
OUT  
GND  
D - TIME  
CONT  
RT  
!Absolute maximum ratings (Ta = 25°C)  
Parameter  
Symbol  
Limits  
24  
Unit  
Power supply voltage  
V
CC  
V
1
*
*
*
BA9700A  
600  
350  
350  
Power  
dissipation  
2
3
Pd  
mW  
BA9700AF  
BA9700AFV  
Operating temperature  
Storage temperature  
Topr  
Tstg  
-20~+80  
°C  
°C  
-55~+150  
1 BA9700A: Reduced by 4.8 mW for each increase in Ta of 1˚C over 25˚C.  
2 BA9700AF: Reduced by 4.4 mW for each increase in Ta of 1˚C over 25˚C.  
3 BA9700AFV : Reduced by 3.5 mW for each increase in Ta of 1˚C over 25˚C.  
2, 3 When mounted on a 5.0´5.0´1.6 mm glass epoxy board.  
*
*
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