參數(shù)資料
型號: PC33394FC
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 穩(wěn)壓器
英文描述: 1.2 A SWITCHING CONTROLLER, 220 kHz SWITCHING FREQ-MAX, PQCC44
封裝: PLASTIC, QFN-44
文件頁數(shù): 29/44頁
文件大小: 641K
代理商: PC33394FC
33394
35
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
Figure 21. 33394 Application Circuit with Increased 3.3V Output Current Capability
VKAM_FB
VSEN
REGON
WAKEUP
VREF1
VPP_EN
VPP
VDD3_3
VDD3_3FB
VDDL_X
VDDL_B
INV
VCOMP
VPRE
VPRE_S
VDDH
VREF2
VREF3
DO
SCLK
DI
CS
VDDL_FB
/PRERESET
/HRESET
/PORESET
CANRXD
CANTXD
GND
CANL
CANH
HR
T
/SLEEP
VKAM
VIGN
KA_VBA
T
VBA
T
VBA
T
SW1
BOOT
SW2G
GND
PC33394FC
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
23
24
25
26
27
28
29
30
31
32
33
11
10
9
8
7
6
5
4
3
2
1
U1
R4
22 k
C22
47
mF
+
+3.3V
C21
10 nF
C9
1.0
mF
+
C13
33
mF
+
C12
10 nF
C8
10 nF
C18
R15
47 k
VDDH
VKAM
R16
10 k
R17
10 k
R18
10 k
VPRE
Q2
MJD31C
C23
10 nF
C24
100
mF
+
C1
100 nF
C28
10 nF
C16
1.0
mF
+
C17
10 nF
C10
47
mF
+
C14
+
C15
10 nF
C11
10 nF
1.0
mF
VDDH
VREF2
VREF3
C5
+
C30
+
33
mF/16 V
OPTIONAL
OUTPUT
FILTER
2
1
L3
3.3 nF
R1
430R
MTD20N03HDL
Q1
20BQ030
D1
SS25
D3
2
1
L1
47
mH
R13
18R
C19
10 nF
C20
100
mF
+
VPRE
Q4
VDDL_X
VDDL_B
R7
100R
R5
110R
VDDL_FB
Q4
MJD31C
Q3
MJD31C
VDDL
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
J1
CON/34
R6
20 k
C6
100 pF
C7
1.0 nF
R2 100 k
C29
1.0
mF/
50 V
R14
4.7k
+BATTERY
VIGN
VPRE
C2
100
mF/
20 V
+BA
TTER
Y
GND
+BA
TTER
Y
GND
+BA
TTER
Y
GND
+BA
TTER
Y
GND
VKAM
/SLEEP
VPP
W
AKEUP
VSEN
IGN
+3.3V
REGON
/PDRESET
/PRERESET
CANH
/HRESET
CANL
CANRXD
VREF2
CANTXD
VREF1
CS
VREF3
DI
VPP_EN
SCLK
VDDH
DO
VDDL
GND
34
35
36
37
R9
4.7 k
DO
R10
4.7 k
SCLK
R11
4.7 k
DI
R12
4.7 k
CS
C3
MURS320T3
Q4
2
1
L2
6.8
mH
D2
C4
+
C26
1.0
mF/50 V
100
mF/
35 V
1.0
mF/
50 V
VDDL
R19
10R
VBAT
VPRE_S
2.6V VKAM
5.0V @ 100mA VREF1
5.0V @ 400 mA
5.0V @ 100 mA
2.6V @ 400 mA
*
R3
4.7 k
JP1
1
2
VDDH
SW1
DIP–2
VPP_EN
*Notes: 1. D2 is a protection diode against reverse battery fault condition. In those applications, which do not require this type of protection, diode D2 can be ommitted.
Notes: 2. Capacitors C25, C27 are optional and may be used for CAN tranceiver evaluation.
C25 *
120R
C27 *
5.0V @ 150mA VPP
1.0
mF
F
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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