小型气象站项目电源芯片手册lm2576中文

1、LM276M276V 3A LM2576 buck 偅3 A 12V 15V 乥 LM2576LM276M276V 3A LM2576 buck 偅3 A 12V 15V 乥 LM2576 LM2576 催 Buck 催乘 HV Buck-Boost 52kHz On 催 5TO-220TO-263 5TO-220LM2576T-LM2576HVT-LM2576S-LM2576HVS-LM2576T-LM2576HVT-:( 330 传真(FAX): (86)-0755-3306 LM2576S-LM2576S-LM2576S-LM2576S-LM2576S-TO-LM2576HVS-LM25

2、76HVS-LM2576HVS-LM2576HVS-LM2576HVS-LM2576T-LM2576T-LM2576T-LM2576T-LM2576T-TO-LM2576HVT-LM2576HVT-LM2576HVT-LM2576HVT-LM2576HVT- 1 3.3V R2 = 5V, 1 3.3V R2 = 5V,R2 = 12V,R2 = 15V,R2 = R1 =, R2 = :( 330 传真(FAX): (86)-0755-3306 乱( (C=100pF, R=1.5 -65C -0.3V” V (-40C乱( (C=100pF, R=1.5 -65C -0.3V” V (-4

3、0C LM2576-3.3,LM2576HV-3.3 TJ 25C, LM2576-5.0,LM2576HV-5.0 TJ 25C, :( 330 传真(FAX): (86)-0755-3306 ( (3) VIN 12V, I VV( 8VVIN” 40V,0.5A ” I” VV( 8VVIN” 60V,0.5A ” I” VV( VIN 12VI% ( (3) VIN 12V, I VV( 6VVIN” 40V,0.5A ” I” VV( 6VVIN” 60V,0.5A ” I” VV( VIN 12VI%LM2576-12,LM2576HV-12 TJ 25C, LM2576-15,L

4、M2576HV-15 TJ 25C, LM2576-ADJ,LM2576HV-ADJ TJ 25C, :( 330 传真(FAX): (86)-0755-3306 LM2576-12,LM2576HV-12 TJ 25C, LM2576-15,LM2576HV-15 TJ 25C, LM2576-ADJ,LM2576HV-ADJ TJ 25C, :( 330 传真(FAX): (86)-0755-3306 ( (3) 作VIN 12VI 0.5A VOUT = 5VVV( 作8VVIN” 40V,0.5A ” I ” = VV( 作8VVIN” 60V,0.5A ” I” = VV( VIN

5、12VI 3AVOUT = % ( (3) VIN 25V, I VV( 18VVIN” 40V,0.5A ” I ” VV( 18VVIN” 60V,0.5A ” I ” VV( VIN 18V, I % ( (3) VIN 25VI VV( 15VVIN” 40V,0.5A ” I” VV( 15VVIN” 60V,0.5A ” I ” VV( VIN 15V, I %TJ 25C, . 3.3V, VIN = =500VIN = 25V, VIN = 乱 1: 乱 2: TJ 25C, . 3.3V, VIN = =500VIN = 25V, VIN = 乱 1: 乱 2: LM2576

6、/ LM2576HV 2 4: 5: 作 6: 作 5TO-2205.0V +12V 12V 15V +25V 1/2 10: TO-263 PCB 0.550C/W 1JA 1.6 11: 乥 11kHz 5%:( 330 传真(FAX): (86)-0755-3306 (作VOUT 5V 乥(kHz( 佅 IOUT= 3A( V(%(4, AA( (6, 2(5/ 5V ( T , ( 8) T , (9) T , 2VOUT = V( / VVOUT / 5V/ / 0V0( I=500mA T=25C 12V& 15V V= V= GroundPin T=25CI = I= 乥I= T

7、=25C I= 15VI= I= 作 Adjustable V=V= V1.23V I= I= :( 330 传真(FAX): (86)-0755-3306 6 佅 作 Adjustable I=V=V= Normalized at V= V= V= ( I=500mA T=25C 12V& 15V V= V= GroundPin T=25CI = I= 乥I= T=25C I= 15VI= I= 作 Adjustable V=V= V1.23V I= I= :( 330 传真(FAX): (86)-0755-3306 6 佅 作 Adjustable I=V=V= Normalized at V= V= V= V= V=12 I= L=150 I= I= R= V=20V I= T=25C A BC D5 A BC D :( 330 传真(FAX): (86)-0755-3306 作 A BC D5 A BC D :( 330 传真(FAX): (86)-0755-3306 作 PCB 乬 P