參數(shù)資料
型號(hào)： MC33394DH
廠商： Freescale Semiconductor
文件頁(yè)數(shù)： 23/44頁(yè)
文件大?。?/td> 0K
描述： IC POWER SUPPLY MULT-OUT 44-HSOP
標(biāo)準(zhǔn)包裝： 30
應(yīng)用： Motorola MPC55x、MPC56x 微處理器
接口： SPI 串行
電源電壓： 4 V ~ 26.5 V
封裝/外殼： 44-BSSOP（0.433"，11.00mm 寬）裸露焊盤
供應(yīng)商設(shè)備封裝： 44-HSOP
包裝： 管件
安裝類型： 表面貼裝
33394
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)
NOTE: The exposed pad of the 44 HSOP package is electrically and thermally connected with the IC ground.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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