参数资料
型号: PC34703PNB/R2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 稳压器
英文描述: 18 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, PQCC33
封装: 10 X 10 MM, 2.1 MM HEIGHT, 0.8 PITCH, PLASTIC, QFN-33
文件页数: 8/46页
文件大小: 2509K
代理商: PC34703PNB/R2
Analog Integrated Circuit Device Data
16
Freescale Semiconductor
34703
ELECTRICAL PERFORMANCE CURVES
ELECTRICAL PERFORMANCE CURVES
Figure 5. fOSC vs Ambient Temperature
Figure 6. Efficiency vs Load Current
Figure 7. Buck Converter Voltage Regulation
vs Load Current
Figure 8. Buck Converter Voltage Regulation vs
Ambient Temperature
Figure 9. Quiescent Current vs Input Voltage
Figure 10. RF vs Frequency
(RF is R1 in the application schematic on page 36)
320
325
330
335
340
345
350
355
360
365
370
-50
0
50
100
C° Degree
FO
S
C
(K
H
z)
f OS
C
TA
80
82
84
86
88
90
92
94
02
468
10
12
Load Current (A)
E
ffi
ci
en
cy
(%
)
Vin=7V, Vo=5V
Vin=7.0V, Vout =5.0V
-0.20
-0.15
-0.10
-0.05
0.00
0.05
0.10
0.15
0.20
02
4
6
8
10
12
Load Current (A)
V
o
lt
ag
eR
eg
u
la
ti
o
n
(%
)
-1.00
-0.80
-0.60
-0.40
-0.20
0.00
0.20
0.40
0.60
0.80
1.00
-60
-10
40
90
C° Degree
O
u
tput
V
o
lt
ag
e
R
egul
at
io
n
(
%
)
TA
0
20
40
60
80
100
0
5
10
15
Input Voltage (V)
Q
u
ie
sc
en
tC
u
rr
en
t(m
A
)
Vo=3.3V
Vout =3.3V
250
300
350
400
8
9
10
11
12
13
RF Value (k0 )
fo
sc
(K
H
z)
RF
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