MC33394DH Freescale Semiconductor, MC33394DH Datasheet - Page 4

• Manufacturer Part Number: MC33394DH
• Description: IC POWER SUPPLY MULT-OUT 44-HSOP
• Manufacturer: Freescale Semiconductor

Specifications of MC33394DH

• Applications: Motorola MPC55x, MPC56x Microprocessors
• Interface: SPI Serial
• Voltage - Supply: 4 V ~ 26.5 V
• Package / Case: 44-BSOP (0.433", 11.00mm Width) Exposed Pad
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

NOTE: The exposed pad of the 44 QFN package is electrically and thermally connected with the IC ground.
4
PIN NO.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
1
2
3
4
5
6
7
8
9
/PRERESET
VDD3_3FB
/PORESET
VKAM_FB
VDDL_FB
KA_VBAT
WAKEUP
/HRESET
CANRXD
CANTXD
VPP_EN
VDDL_X
VDDL_B
VPRE_S
VDD3_3
REGON
VCOMP
/SLEEP
VREF1
VREF3
VREF2
NAME
SW2G
BOOT
VKAM
VSEN
CANH
VDDH
VPRE
CANL
SCLK
VBAT
VBAT
VIGN
GND
SW1
SW1
SW1
GND
VPP
HRT
INV
DO
CS
DI
Ground
External power switch (MOSFET) gate drive — Boost Reg.
Bootstrap capacitor
Source of the internal power switch (n–channel MOSFET)
Source of the internal power switch (n–channel MOSFET)
Source of the internal power switch (n–channel MOSFET)
Battery supply to IC (external reverse battery protection needed in some applications)
Battery supply to IC (external reverse battery protection needed in some applications)
Keep alive battery supply (with internal protection diode)
Turn on control through ignition switch (with internal protection diode)
VDDL tracking Keep Alive Memory (Standby) supply
VKAM output feedback
Switched battery output
Regulator “Hold On” input
CAN wake up event output
VDDH tracking linear regulator 1
VPP enable
5.0 V/ 3.3 V FLASH memory programming supply, tracking VDDH/VDD3_3
3.3 V regulated supply output, base drive for optional external pass transistor
VDD3_3 output feedback
VDDL optional external pass transistor base drive, operating in Boost Mode only
VDDL external pass transistor base drive
VDDL output feedback
Open drain /PRERESET output, occurs 0.7 us prior to /HRESET (Hardware Reset)
Open drain / HRESET (Hardware Reset) output
Open drain / PORESET (Power On Reset) supervising VKAM supply to the microprocessor.
CAN receive data (DOUT)
CAN transmit data (DIN)
Ground
CAN differential bus drive low line
CAN differential bus drive high line
Hardware Reset Timer pin (programmed with external capacitor and resistor)
Sleep Mode & Power Down control
SPI chip select
SPI serial data in
SPI clock input
SPI serial data out
VDDH tracking linear regulator 3
VDDH tracking linear regulator 2
5.0 V regulated supply output
Switching pre–regulator output sense
Switching pre–regulator output
Switching pre–regulator compensation (error amplifier output)
Switching pre–regulator error amplifier inverting input
Freescale Semiconductor, Inc.
PIN FUNCTION DESCRIPTION (44–QFN Package)
For More Information On This Product,
Go to: www.freescale.com
33394
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
DESCRIPTION