參數(shù)資料
型號(hào): NCP5322ADWR2G
廠商: ON SEMICONDUCTOR
元件分類(lèi): 穩(wěn)壓器
英文描述: Two−Phase Buck Controller with Integrated Gate Drivers and 5−Bit DAC
中文描述: 1.5 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO28
封裝: LEAD FREE, SOIC-28
文件頁(yè)數(shù): 2/31頁(yè)
文件大?。?/td> 726K
代理商: NCP5322ADWR2G
NCP5322A
http://onsemi.com
2
Figure 1. Application Diagram, 12 V Only to 1.6 V at 45 A, 220 kHz
Recommended Components:
L1: Coiltronics P/N CTX1514771 or T3026 core with 3T of #16 AWG
L2: Coiltronics P/N
TBD
or T5052B with 5T of #16 AWG Bifilar
C
INPUT
: 3
×
Sanyo Oscon 16SP270M (270 F, 16 V, 4.4 A
RMS
, 18 m )
C
OUT
: 10
×
Rubycon 16MBZ1500M10x20 (1500 F, 16 V, 13 m )
or 8
×
Sanyo Oscon 4SP820M (820 F, 4 V, 12 m )
C
CERAMICS
: 12
×
Panasonic ECJ3YB0J106K (10 F, 6.3 V)
Q1Q4: ON Semiconductor NTB85N03 (28 V, 85 A)
L
VCC
: Murata P/N BLM21P221SG (220 at 100 MHz)
SIG
GND
R
LIM2
1.0 k
R
LIM1
3.57 k
C
REF
0.1 F
R
CSREF
49.9 k
SIG
GND
C
CSREF
0.01 F
CS
REF
R
DRP1
21 k
C
FBK2
470 pF
V
FB
C
AMP
2.2 nF
C
CMP1
2.2 nF
SIG
GND
R
OSC
64.9 k
R
OSC
V
CCL
V
CCL1
GL1
GND1
GH1
V
CCH1
LGND
SS
V
CCL2
GL2
GND2
GH2
V
CCH2
C
VCC
1.0 F
+12 V
ENABLE
NCP5322A
COMP
V
FB
V
DRP
Cs1
CS2
CS
REF
PWRGD
V
ID0
V
ID1
V
ID2
V
ID3
V
ID4
I
LIM
REF
C
Q1
0.1 F
Q1
Q2
C
Q3
0.1 F
Q3
Q4
L1 300 nH
+
C
INPUT
Electrolytics
L2 1.1 H
+
C
OUT
Electrolytics
C
CER
Ceramics
L3 1.1 H
SWNODE1
SWNODE2
CS1
CS2
R
CS1
75 k142 k
R
CS2
75 k142 k
C
CS1
0.01 F
C
CS2
0.01 F
R
FBK1
6.04 k
PWRGD
V
ID0
V
ID1
V
ID2
V
ID3
V
ID4
SIG
GND
D3
MBRA120LT3
C
SS
0.1 F
SIG
GND
C1
1.0 F
D1
BAT54SLT1
D2
BAT54SLT1
C2
1.0 F
R3
330
D4
18 V
B
Q5
2N3904
SIG
GND
C
VCCLx
1.0 F
C
VCCHx
1.0 F
L
VCC
1.0 F
SIG
GND
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