BA9700 ROHM Electronics, BA9700 Datasheet
BA9700
Available stocks
Related parts for BA9700
BA9700 Summary of contents
Page 1
... BA9700A: Reduced by 4.8 mW for each increase 1˚C over 25˚ BA9700AF: Reduced by 4.4 mW for each increase 1˚C over 25˚ BA9700AFV : Reduced by 3.5 mW for each increase 1˚C over 25˚ When mounted on a 5.0´5.0´1.6 mm glass epoxy board. ...
Page 2
... Common-mode rejection ratio Input bias current 〈PWM comparator section〉 Threshold voltage 1 Threshold voltage 2 〈Output section〉 Output transistor leakage current Output saturation voltage 〈Total device〉 Quiescent current Standby current Operating voltage BA9700A / BA9700AF / BA9700AFV = 5.0V Symbol Min. Typ. Max. V 2.48 2.57 2.66 ref 1 ...
Page 3
... V IN GND Voltage 2.57V 11 Regulator 30k 13 1.29V 30k R 1 43k ERROR AMP 680p 15k 0.047µ BA9700A / BA9700AF / BA9700AFV Fig.1 C 1000p 47k Triangle Oscillator V ref + − PWM COMPARATOR 1µ 15k ...
Page 4
... Voltage 2.57V 11 Regulator 30k 13 1.29V 30k R 1 39k ERROR AMP + 14 − 4. 7.5k C 680p 2 4 0.047µ BA9700A / BA9700AF / BA9700AFV C 1000p R 10k 47k Triangle Oscillator V ref PWM COMPARATOR 1µ 22k R 39k ...
Page 5
... Regulator ICs ! ! ! ! Basic application board patterns and component arrangemrnts Fig.6 Inverting converter (BA9700A) BA9700A / BA9700AF / BA9700AFV GND Fig.5 Step-down converter GND GND + Fig.7 Step-up converter (BA9700A BA9700A + + OUT + GND BA9700A - 1 ...
Page 6
... FREQUENCY (Hz) Fig.11 Phase and gain vs. frequency for the error amplifier BA9700A / BA9700AF / BA9700AFV 1M 100k = 20kΩ 10k 1k 100p 1000p 0.01µ 0.1µ CT (F) Fig.9 Oscillation frequency characteristic vs. triangular wave oscillator resistance (2) 10M 4.00 3 ...
Page 7
... Regulator ICs ! ! ! ! External dimensions (Units : mm) BA9700A 19.4±0 2.54 0.5±0.1 DIP14 BA9700AFV 5.0±0 0.65 0.22±0.1 0.3Min. SSOP - B14 BA9700A / BA9700AF / BA9700AFV BA9700AF 14 7.62 1 1.27 0°∼15° 0.1 8.7±0 0.4±0.1 0.3Min. 0.15 SOP14 ...