參數資料
型號: BA9700
廠商: Rohm CO.,LTD.
元件分類: 基準電壓源/電流源
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 抗輻射高效,5安培開關穩(wěn)壓器
文件頁數: 1/7頁
文件大小: 141K
代理商: BA9700
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.
2) Low current consumption. (typically 1.7mA)
3) Wide oscillation frequency range.
(typically 2.8k ~ 470kHz)
4) Built-in reference voltage current. (typically 2.57V)
5) Operates at low voltage. (minimally 3.55V)
6) Dead time controller restricts operation when
overloaded.
7) Power switch can isolate all circuits in the IC.
8) Best suited for battery operated equipment.
9) Compact 14-pin SSOP package (BA9700AFV).
!
Block diagram
30k
30k
V
ref
Amp
CoPWM
NON
INVERT
POWER
1/2 V
ref
V
ref
N. C.
V
CC
FEED
CONT
N. C.
OUT
C
T
R
T
GND
14
13
12
11
10
9
8
1
2
3
4
5
6
7
+
Voltage
Triangle
Oscillator
BA9700A
BA9700AF
!
Absolute maximum ratings
(Ta = 25
°
C)
*
3 BA9700AFV : Reduced by 3.5 mW for each increase in Ta of
1C over 25C.
*
2,
3 When mounted on a 5.0′5.0′1.6 mm glass epoxy board.
Parameter
Symbol
Limits
Unit
V
CC
24
V
BA9700A
Pd
600
350
*
2
350
*
3
mW
BA9700AF
*
1
BA9700AFV
Topr
-20~+80
°
C
Tstg
-55~+150
°
C
*
1 BA9700A: Reduced by 4.8 mW for each increase in Ta of
1C over 25C.
*
2 BA9700AF: Reduced by 4.4 mW for each increase in Ta of
1C over 25C.
Power supply voltage
Power
dissipation
Operating temperature
Storage temperature
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相關代理商/技術參數
參數描述
BA9700A 制造商:ROHM 制造商全稱:Rohm 功能描述:Switching regulator for DC / DC Converters
BA9700AF 制造商:ROHM 制造商全稱:Rohm 功能描述:Switching regulator for DC / DC Converters
BA9700AFV 制造商:ROHM 制造商全稱:Rohm 功能描述:Switching regulator for DC / DC Converters
BA9701 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
BA9701F 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage-Mode SMPS Controller