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參數(shù)資料
| 型號： | IPM6220ACAZA-T |
| 廠商： | INTERSIL CORP |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Circular Connector; No. of Contacts:4; Series:; Body Material:Aluminum Alloy; Connecting Termination:Solder; Connector Shell Size:22; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:22-4 RoHS Compliant: No |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO24 |
| 封裝： | 0.150 INCH, LEAD FREE, PLASTIC, SSOP-24 |
| 文件頁數(shù)： | 13/14頁 |
| 文件大?。?/td> | 358K |
| 代理商： | IPM6220ACAZA-T |
13
power plane should support the input power and output power
nodes. Use copper filled polygons on the top and bottom
circuit layers for the phase nodes, but do not unnecessarily
oversize these particular islands. Since the phase nodes are
subjected to very high dV/dt voltages, the stray capacitor
formed between these islands and the surrounding circuitry
will tend to couple switching noise. Use the remaining printed
circuit layers for small signal wiring. The wiring traces from the
control IC to the MOSFET gate and source should be sized to
carry 2A peak currents.
Small Components Signal Layout Considerations
4. The VSNS1 and VSNS2 inputs should be bypassed with
a 1.0
μ
F capacitor close to their respective IC pins.
5. A ‘T’ filter consisting of a ‘split’ RSNS and a small, 100pF,
capacitor as shown in Figure 10, may be helpful in
reducing noise coupling into the ISEN input. For example,
if the calculated value of RSNS1 is 2.2k
, dividing it as
shown with a 100pF capacitor provides filtering without
changing the current limit set point. For any calculated
value of RSNS, keep the value of the R9 portion to
approximately 200
, and the remainder of the resistance
in the R19 position. The 200
resistor and 100pF
capacitor provide effective filtering for noise above 8MHz.
This filter configuration may be helpful on both the 3.3V and
5V Main outputs.
6. The bypass capacitors for VBATT and the soft-start
capacitors, C
SS1
and C
SS2
should be located close to
their connecting pins on the control IC. Minimize any
leakage current paths from SDWN1 and SDWN2 nodes,
since the internal current source is only 5
μ
A.
7. Refer to the Application Note AN9915 for a recommended
component placement and interconnections.
Figure 11 shows an application circuit of a power supply for a
notebook PC microprocessor system. The power supply
provides +5V ALWAYS, +3.3V ALWAYS, +5.0V, +3.3V, and
12V from +5.6-22V
DC
battery voltage. For detailed information
on the circuit, including a Bill of Materials and circuit board
description, see Application Note AN9915. Also see Intersil’s
web site (www.intersil.com) for the latest information.
ISEN1
R19
2K
R9
200
C12
100pF
FROM PHASE
NODE
RSNS = R19 + R9
FIGURE 10. NOISE FILTER FOR ISEN1 INPUT
SDWNALL
GND
+5.6-22V
IN
PGND1
LGATE1
UGATE1
ISEN1
PHASE1
Q3
HUF76112SK8
Q5
HUF76112SK8
+3.3V
(5A)
VSEN2
UGATE2
PHASE2
Q2
C1
100
μ
F
IPM6220
L2
+
+
+
C4
C3, 6, 10
3x1
μ
F
R9, 19
+5V
(5A)
C22
330
μ
F
L1
HUF76112SK8
56
μ
F
2x330
μ
F
2.2K
8.2
μ
H
8.2
μ
H
GND
4
5
10
2
6
1
21
23
22
20
19
17
13
14
C9
0.15
μ
F
BOOT1
PGND2
LGATE2
Q4
HUF76112SK8
7
8
ISEN2
R10, 11
2.2K
9
C7
0.15
μ
F
BOOT2
VBATT
+
3.3V ALWAYS
(50mA)
3.3V ALWAYS
5V ALWAYS
11
SDWN2
C21, 32
D2
D1
24
3
BAT54WT1
+5V ALWAYS
(50mA)
C2
10
μ
F
+
0.022
μ
F
12
PGOOD
18
SDWN1
0.022
μ
F
C17
16
L4
2.7
μ
H
C16
Q5
+
15
VSEN3
GATE3
VSEN1
HUF76112SK8
C24, 33
2x47
μ
F
D3
R14
97.6K
24.9K
R13
BAT54WT1
+
L3
μ
H
22
μ
F
C36
FIGURE 11. APPLICATIONS CIRCUIT
+12V
(120mA)
IPM6220
相關PDF資料 |
PDF描述 |
|---|---|
| IPM6220ACAZ-T | Advanced Triple PWM and Dual Linear Power Controller for Portable Applications |
| IPM6220EVAL1 | Advanced Triple PWM and Dual Linear Power Controller for Portable Applications |
| IPM6220ACA | Advanced Triple PWM and Dual Linear Power Controller for Portable Applications |
| IPM6220ACAZ | Advanced Triple PWM and Dual Linear Power Controller for Portable Applications |
| IPM6220CA | Advanced Triple PWM and Dual Linear Power Controller for Portable |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| IPM6220ACAZ-T | 功能描述:電流型 PWM 控制器 30V CS80 FSC PROCESS W/IMPROVED ESD STRUC RoHS:否 制造商:Texas Instruments 開關頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| IPM6220CA | 制造商:Rochester Electronics LLC 功能描述:MULTI-OUTPUT SYSTEM ELECTRONICS REGULATOR FOR MOBIL PCS - Bulk |
| IPM6220CB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| IPM6220EVAL1 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Advanced Triple PWM Only Mode and Dual Linear Power Controller for Portable Applications |
| IPM-C112 | 制造商:JDSU 制造商全稱:JDS Uniphase Corporation 功能描述:Miniature Integrated Power Monitor |
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