HN9261/A
Function Block Diagram
LX
LXSW
V
LX
Limiter
Vref
Buffer
VOUT
-
+
Error Amp.
GND
VFM Control
EXT
OSC 100kHz
Chip Enable
EN
Notes:
(1) LX Pin...... only for 9261-
(2) EXT Pin.... only for 9261A-
(3) EN Pin...... only for 9261-
CX and 9261-
CX and 9261A-
CB and 9261A-
CB
CB
CB
Absolute Maximum Ratings
Output Voltage ------------------------------------------------------------------------------------------------------ 8V
LX Pin Voltage ------------------------------------------------------------------------------------------------------ 8V
EXT Pin Voltage ---------------------------------------------------------------------------------------------------- –0.3 to V
OUT
+0.3V
EN Pin Voltage ------------------------------------------------------------------------------------------------------ –0.3 to V
OUT
+0.3V
LX Pin Output Current -------------------------------------------------------------------------------------------- 250mA
EXT Pin Current ---------------------------------------------------------------------------------------------------- ±50mA
o
Power Dissipation, P
D
@T
A
=25 C
SOT-89 ---------------------------------------------------------------------------------------------------------------- 0.5W
SOT-23 ---------------------------------------------------------------------------------------------------------------- 0.25W
Package Thermal Resistance
o
SOT-89,
JC
---------------------------------------------------------------------------------------------------------- 100 C/W
SOT-89,
JA
---------------------------------------------------------------------------------------------------------- 300
o
C/W
o
SOT-23,
JA
---------------------------------------------------------------------------------------------------------- 250 C/W
Operation Temperature Range ---------------------------------------------------------------------------------- –20 to +85
o
C
o
Storage Temperature Range ------------------------------------------------------------------------------------- 165 C
o
Lead Temperature Range (Soldering, 10sec.) --------------------------------------------------------------- 260 C
地址: 南京市珠江路
88
号，新世界中心
B
座
4004
室, 邮编:210008
ADD.: RM. 4004,
BLOCK B,
NEW WORLD CENTRE,
电话(TEL.):
(86)-25-68853600
NANJING 210008,
CHINA
传真(FAX):
(86)-25-68853600-810
WEB-SITE: WWW.HN-ELEC.COM
NO. 88 ZHUJIANG ROAD,
3
HN [ NANJING HONANO ELECTRONIC CO., LTD. ]
