參數(shù)資料
型號(hào): PCZ34670EG
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO20
封裝: 1.27 PITCH, ROHS COMPLIANT, PLASTIC, MS-013AC, SOIC-20
文件頁數(shù): 12/24頁
文件大?。?/td> 986K
代理商: PCZ34670EG
Analog Integrated Circuit Device Data
2
Freescale Semiconductor
34670
INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
Figure 2. 34670 Simplified Internal Block Diagram
+
2.5V
0.8R
R
INTERNAL
SUPPLY
HIGH VOLTAGE
REGULATOR
POR
OSC
EN
UV or UVLO
CONTROL LOGIC
UNDERVOLTAGE
LOCKOUT
OVERVOLTAGE
DETECTION
250mV
CURRENT
LIMITATION
GATE
DRIVE
TEMP
SENSOR
UV or UVLO
R
S
R
Q
8V
5.7V
3.5V
5
A
S
R
Q
0.3V
PWM
COMPARITOR
4.5V
5k
1.4V
3
REG
DETECT
BLANK
0.4V
0.6V
1.2V
SLOPE
COMP
0.6 - 2.6V
RESET
GATE
VDD
SS
CS
COMP
FB
VOUT
FREQ
VPWR
RCLA
ILIM
UVLO
VIN
RSENSE
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