参数资料
型号: LTC3525ESC6-3#TRMPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 0.45 A SWITCHING REGULATOR, PDSO6
封装: LEAD FREE, PLASTIC, MO-203AB, EIAJ, SC-70, 6 PIN
文件页数: 12/14页
文件大小: 536K
代理商: LTC3525ESC6-3#TRMPBF
LTC3525-3/
LTC3525-3.3/LTC3525-5
7
3525fb
SHDN (Pin 1): Logic-Controlled Shutdown Input. Con-
nect to a voltage >1V to enable the LTC3525. Connect to
a voltage <0.4V to disable the LTC3525.
GND (Pins 2, 5): Ground.
VIN (Pin 3): Input Voltage. The LTC3525 is powered from
VIN until VOUT exceeds VIN. Once VOUT is greater than (VIN
+ 0.2V typical), it is powered from VOUT. Place a ceramic
bypass capacitor from VIN to GND. A minimum value of
1F is recommended.
VOUT (Pin 4): Output Voltage Sense and the Output of the
Synchronous Rectifier. Connect the output filter capacitor
from VOUT to GND, close to the IC. A minimum value of
10F ceramic is recommended. Use 22F for reduced
output ripple. The output disconnect feature disconnects
VOUT from VIN when SHDN is <0.4V.
SW (Pin 6): Switch Pin. Connect an inductor from this
pin to VIN. An internal antiringing resistor is connected
across SW and VIN after the inductor current has dropped
to zero to minimize EMI.
PIN FUNCTIONS
BLOCK DIAGRAM
+
+
3
6
1
2
4
VREF
IPK
COMPARATOR
IVALLEY
COMPARATOR
SLEEP
COMPARATOR
INTEGRATOR
WAKE
TSD
IVAL
VOUT
VIN
SHDN
SW
IPK
ADJUST
GND
5
GND
FB
OFFSET
ADJUST
OFFSET
ADJUST
LOGIC
GATE DRIVERS
AND
ANTI-CROSS
CONDUCTION
WELL
SWITCH
VBEST
VREF
UVLO
THERMAL
SHUTDOWN
VB
SHUTDOWN
START-UP
UVLO
SHUTDOWN
VREF
VSEL
VOUT
3525 BD
+
+
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相关代理商/技术参数
参数描述
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