參數(shù)資料
型號(hào): UCC2882-1
廠商: Texas Instruments, Inc.
英文描述: Average Current Mode Synchronous Controller With 5-Bit DAC
中文描述: 平均電流模式同步控制器,5位DAC
文件頁(yè)數(shù): 10/14頁(yè)
文件大?。?/td> 579K
代理商: UCC2882-1
10
UCC2882/-1
UCC3882/-1
Demonstration Kit Design and Performance
A demonstration circuit was built based on the UCC3882
and utilizing an Intel VRM 8.1 form factor connector. The
schematic is shown in Figure 9 and the Bill of Materials
in Table 3. The circuit is configured for the following oper-
ating parameters:
Switching Frequency = 225kHz
Rated Output Current = 15A
Short Circuit Current = 17A Nominal
Output Voltage: 1.8V to 2.8V Configured by VID Code
Airflow: 100 LFM
Temperature: 0 to 60°C
Regulation: Per Intel VRM 8.1 DC-DC Converter
Design Guidelines
Figures 12 - 14 show the performance of the circuit.
APPLICATION INFORMATION (continued)
REF
U1
C01
C02
C03
C04
C05
C06
C07
C08
C09
C10
C11
C12
C13
C14
C15
C17
C18
C19
C20
CT
J1
L1
Q1
Q2
R01
R02
R03
R05
R06
R07
R08
R09
R10
DESCRIPTION
Unitrode UCC3882 DAC/PWM
Sanyo 6MV1500GX, 1500
μ
F, 6.3V, Aluminum Electrolytic
Sanyo 6MV1500GX, 1500
μ
F, 6.3V, Aluminum Electrolytic
Sanyo 6MV1500GX, 1500
μ
F, 6.3V, Aluminum Electrolytic
Sprague/Vishay 595D475X0016A2B, 4.7uF 16V Tantalum
Sanyo 6MV1500GX, 1500
μ
F, 6.3V, Aluminum Electrolytic
Sanyo 6MV1500GX, 1500
μ
F, 6.3V, Aluminum Electrolytic
Sanyo 6MV1500GX, 1500
μ
F, 6.3V, Aluminum Electrolytic
Sanyo 6MV1500GX, 1500
μ
F, 6.3V, Aluminum Electrolytic
Sanyo 6MV1500GX, 1500
μ
F, 6.3V, Aluminum Electrolytic
0.10
μ
F Ceramic
0.10
μ
F Ceramic
0.01
μ
F Ceramic
0.01
μ
F Ceramic
0.01
μ
F Ceramic
0.10
μ
F Ceramic
68pF NPO Ceramic
1000pF Ceramic
220pF NPO Ceramic
Sanyo 6MV1500GX, 1500
μ
F, 6.3V, Aluminum Electrolytic
3900pF Ceramic
AMP 532956-7 40 Pin Connector
Toroid T51-52C, 5 Turns #16AWG, 1.6
μ
H
International Rectifier IRL3103, 30V, 56A
International Rectifier IRL3103D1, 30V, 56A
5m
, PCB Resistor
10k
, 5%, 1/16 Watt
5.62k
, 1%, 1/16 Watt
365k
, 1%, 1/16 Watt
100k
, 5%, 1/16 Watt
5.6k
, 5%, 1/16 Watt
10k
, 5%, 1/16 Watt
3.3
,
5%, 1/16 Watt
3.3
, 5%, 1/16 Watt
PACKAGE
SOIC-28 WIDE
10x20mm Radial Can
10x20mm Radial Can
10x20mm Radial Can
SPRAGUE Size A
10x20mm Radial Can
10x20mm Radial Can
10x20mm Radial Can
10x20mm Radial Can
10x20mm Radial Can
1206 SMD
1206 SMD
0603 SMD
0603 SMD
0603 SMD
1206 SMD
0603 SMD
0603 SMD
0603 SMD
10x20mm Radial Can
0603 SMD
40 Pin
Toroid
TO-220AB, layed down
TO-220AB, layed down
Copper Trace
0603 SMD
0603 SMD
0603 SMD
0603 SMD
0603 SMD
0603 SMD
0603 SMD
0603 SMD
Table 3. Bill of materials.
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