参数资料
型号: FDMF6823C
厂商: Fairchild Semiconductor
文件页数: 9/19页
文件大小: 0K
描述: MODULE DRMOS 50A 40-PQFN
标准包装: 3,000
系列: XS™ DrMOS
类型: 高端/低端驱动器
输入类型: PWM
输出数: 1
电流 - 输出 / 通道: 50A
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 40-PowerTFQFN
供应商设备封装: 40-PQFN(6x6)
包装: 带卷 (TR)
Typical Performance Characteristics
Test Conditions: V IN =12 V, V OUT =1 V, V CIN =5 V, V DRV =5 V, L OUT =250 nH, T A =25°C, and natural convection cooling,
unless otherwise specified.
1.01
1.00
0.99
0.98
V IN = 12V, V DRV & V CIN = 5V, F SW = 300kHz, V OUT = 1V, I OUT = 30A
45
40
35
30
25
20
V IN = 12V, V DRV & V CIN = 5V, V OUT = 1V, I OUT = 0A
15
0.97
10
0.96
5
200
250
300 350 400
450
500
100
200
300 400 500 600 700 800 900
1000 1100
Output Inductor, L OUT (nH)
Module Switching Frequency, F SW (kHz)
Figure 12.
Power Loss vs. Output Inductor
Figure 13.
Driver Supply Current vs. Switching
Frequency
17
16
15
14
V IN = 12V, V OUT = 1V, F SW = 300kHz, I OUT = 0A
1.04
1.03
1.02
V IN = 12V, V DRV & V CIN = 5V, V OUT = 1V
F SW = 300kHz
1.01
13
12
11
10
1.00
0.99
0.98
F SW = 1000kHz
4.0
4.5 5.0 5.5
6.0
0
5
10
15 20 25 30 35
40
45
Driver Supply Voltage, V DRV & V CIN (V)
Module Output Current, I OUT (A)
Figure 14.
Driver Supply Current vs. Driver Supply Figure 15.
Voltage
Driver Supply Current vs. Output Current
3.2
3.1
3.0
UVLO UP
4.5
4.0
3.5
3.0
T A = 25 ° C
V IH_PWM
V TRI_HI
V HIZ_PWM
2.9
2.5
2.8
2.0
1.5
V TRI_LO
2.7
2.6
UVLO DN
1.0
0.5
V IL_PWM
-55
0 25 55 100 125
150
4.50
4.75 5.00 5.25
5.50
Driver IC Junction Temperature, T J ( o C)
Driver IC Supply Voltage, V CIN (V)
Figure 16.
UVLO Threshold vs. Temperature
Figure 17.
PWM Threshold vs. Driver Supply Voltage
? 2011 Fairchild Semiconductor Corporation
FDMF6823C ? Rev. 1.0.3
www.fairchildsemi.com
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