STC494
GG
G
APPLICATION CIRCUIT
Fig. 6 Output Connections for Single-Ended Fig. 7 Error Amplifier Sensing Techniques
and Push-Pull Configurations
G
G
G
Ά΅Ά΅
G
ʹͿ΅ͽ
G
͢ ͩ ʹ͢
ͪ Ͷ͢
ͣ ͢͢ ʹͣ
ʹ
͑͢΅͑ͦ͑͡͡ΞͲ͙;ͲΉ͚
G ͑ͭ͑͡·ʹ͑ͭ͑ͥ·
͢͡ Ͷͣ
Ͷ
G
΄ͺͿͽͶ͞ͶͿ͵Ͷ͵͑ʹͿͷͺΆͲ΅ͺͿ
G
·Π
΅͑Ά΅Ά΅
· ͽ΅ͲͶ͑ͷ
͢
΄Ί΄΅Ͷ;
͙͚ͧ͑͢͢͜
· Ͷͷ
͙͚ͣͦ͑͢͞
Ͷ
Ͳ;
ͤ
ͣ
΄ͺ΅ͺ· Ͷ͑Ά΅Ά΅
· ͽ΅ͲͶ
G
· Ͷͷ
G
G ͣͥ͟·ͭ·ʹͭ·Ͷͷ
G
G
Ά΅Ά΅
ʹͿ΅ͽ
G
͢ ͩ
ͪ
ͣ ͢͢
͢͡
ʹ͢
ͣͦ͑͡ΞͲ͙;ͲΉ͚
Ͷ͢
ʹͣ
ͣͦ͑͡ΞͲ͙;ͲΉ͚
Ͷͣ
G
Ά΄͞Άͽͽ͑ʹͿͷͺΆͲ΅ͺͿ
G
͙͚ͧ͢͢
͜
ͣ
ͤ
͙͚ͣͦ͢
͞
ͿͶͲ΅ͺ· Ͷ͑Ά΅Ά΅
· ͽ΅ͲͶ
· Π͑ͮ͑͑͞· Ͷͷ ͢
ͣ
͢
·Π
΅͑Ά΅Ά΅
· ͽ΅ͲͶ͑ͷ
΄Ί΄΅Ͷ;
G
G
Fig. 8 Slaving Tow or More Control Circuits Fig. 9Error Amplifier and Current Limit
Sense Amplifier Output Circuits
΅
G
G
G
ͥ͢ · Ͷͷ
ͧ ΅
ͦ
ʹ΅
ʹ΅
ͥ͢ · Ͷͷ
ͧ ΅
ͦ ʹ΅
;Ͳ΄΅Ͷ
΄ͽͲ· Ͷ
͙Ͳ͵͵ͺ΅ͺͿͲͽ
ʹͺʹΆͺ΅΄͚
· ΔΔ
· Ͷͷ
΅͑Ͷ;ͲͺͿ͵Ͷ
ͷ͑Ͷ
Ͳ;ͽͺͷͺͶ
ʹͺʹΆͺ΅
ͧ͟͡ΞͲ
΅͑Ͷ;ͲͺͿ͵Ͷ
ͷ͑Ͷ
Ͳ;ͽͺͷͺͶ
ʹͺʹΆͺ΅
΅͑ʹ;ͶͿ΄Ͳ΅ͺͿ
Έ;͑ʹ;ͲͲ΅
ͺͿΆ΅
7