參數(shù)資料
型號： PC33394FS
英文描述： Analog Products PC33394 Fact Sheet
中文描述： 模擬產(chǎn)品PC33394概況
文件頁數(shù)： 3/44頁
文件大小： 409K
代理商： PC33394FS
PC33394
3
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
PIN FUNCTION DESCRIPTION (44–HSOP Package)
PIN NO.
NAME
DESCRIPTION
1
VBAT
Battery supply to IC (external reverse battery protection needed in some applications)
2
VBAT
Battery supply to IC (external reverse battery protection needed in some applications)
3
KA_VBAT
Keep alive supply (with internal protection diode)
4
VIGN
Turn–On control through ignition switch (with internal protection diode)
5
VKAM
VDDL tracking Keep Alive Memory (Standby) supply
6
VKAM_FB
VKAM output feedback
7
VSEN
Switched battery output
8
REGON
Regulator “Hold On” input
9
WAKEUP
CAN wake up event output
10
VREF1
VDDH tracking linear regulator 1
11
VPP_EN
VPP enable
12
VPP
5.0 V/ 3.3 V FLASH memory programming supply, tracking VDDH/VDD3_3
13
VDD3_3
3.3 V regulated supply output, base drive for optional external pass transistor
14
VDD3_3FB
VDD3_3 output feedback
15
VDDL_X
VDDL optional external pass transistor base drive, operating in Boost Mode only
16
VDDL_B
VDDL external pass transistor base drive
17
VDDL_FB
VDDL output feedback
18
/PRERESET
Open drain /PRERESET output, occurs 0.7 us prior to /HRESET (Hardware Reset)
19
/HRESET
Open drain / HRESET (Hardware Reset) output
20
/PORESET
Open drain / PORESET (Power On Reset) supervising VKAM supply to the microprocessor.
21
CANRXD
CAN receive data (DOUT)
22
CANTXD
CAN transmit data (DIN)
23
GND
Ground
24
CANL
CAN differential bus drive low line
25
CANH
CAN differential bus drive high line
26
HRT
Hardware Reset Timer pin (programmed with external capacitor and resistor)
27
/SLEEP
Sleep Mode & Power Down control
28
CS
SPI chip select
29
DI
SPI serial data in
30
SCLK
SPI clock input
31
DO
SPI serial data out
32
VREF3
VDDH tracking linear regulator 3
33
VREF2
VDDH tracking linear regulator 2
34
VDDH
5.0 V regulated supply output
35
VPRE_S
Switching pre–regulator output sense
36
VPRE
Switching pre–regulator output
37
VCOMP
Switching pre–regulator compensation (error amplifier output)
38
INV
Switching pre–regulator error amplifier inverting input
39
GND
Ground
40
SW2G
External power switch (MOSFET) gate drive — Boost regulator
41
BOOT
Bootstrap capacitor
42
SW1
Source of the internal power switch (n–channel MOSFET)
43
SW1
Source of the internal power switch (n–channel MOSFET)
44
SW1
Source of the internal power switch (n–channel MOSFET)
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