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参数资料
| 型号： | LX2750CLQ |
| 厂商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封装： | 3 X 3 MM, ROHS COMPLIANT, PLASTIC, MLPQ-10 |
| 文件页数： | 8/11页 |
| 文件大小： | 388K |
| 代理商： | LX2750CLQ |
LX2750
Microsemi
Analog Mixed Signal Group
6
Rev. 1.0a
07/14/10
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
BLOCK DIAGRAM
Figure 2 - Simplified block diagram of the LX2750
VIN UVLO
POR
SS_done
LDO_FB
LDO_DRV
0.3V
Bias
Generator
1.25V
0.8V
BST
HDRV
SW
LDRV
9/8
RT
GND
VCC
Hiccup
Reset dominant
FET Drivers
Latchout logic
VIN
START
FB
60%*Vp
SS_half_done
60%*0.8V
POR
R
VIN
MODE
MODE SELECTION
VOLTAGE MODE
CONSTANT ON TIME
FCCM
MODE SELECTION
SYNCHRONOUS MODE
DIODE EMULATION MODE
VREF_OC
LDO
PGOOD
FB
COMP
OSC
Digital
start Up
START
CLK
HDin
Internal RT
FB
Dis_EA
PWM/PFM control core
IFF
comp
RT
9k
LDOPOR
LDO
amplifier
LDOPOR
SS_DAC
REFIN
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