参数资料
型号: FAN2103EMPX
厂商: Fairchild Semiconductor
文件页数: 8/14页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 3A 25MLP
标准包装: 1
系列: TinyBuck™
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 3 V ~ 21 V
输入电压: 3 V ~ 24 V
PWM 型: 电流模式
频率 - 开关: 200kHz ~ 600kHz
电流 - 输出: 3A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 25-MLP
包装: 标准包装
供应商设备封装: 25-MLP(5x6)
产品目录页面: 1214 (CN2011-ZH PDF)
配用: FEB207-ND - BOARD EVAL FOR FAN2103
其它名称: FAN2103EMPXDKR
Application Circuit
+5V
VCC
15
P2
VIN
8-20 V IN
1.0μ
X5R
10K
PGOOD
13
200K
3.3n
2 x 4.7 μ
V OUT
NC 24
25
RAMP
X7R
62
2.49K
2.49K
COMP
20
4.7n
56p
4.7n
FB
ILIM
19
17
1
BOOT
0.1μ
* TDK
RLF7030T-3R3M4R1
200K
EN
14
P1
SW
3.3μ *
V OUT
R(T)
18
1.5W
2.00K
30.1K
4 x 22 μ
4.7n
AGND
16
P3 PGND
390p
X5R
Figure 10. Application Circuit: 1.8 V OUT , 500 KHz
Typical Performance Characteristics
Typical operating characteristics using the circuit shown in Figure 10. V IN =16 V, V CC =5 V, unless otherwise specified.
100
95
90
85
80
75
Efficiency
1.0
0.9
0.8
0.7
0.6
0.5
Loss12V (W)
Loss8V (W)
Loss18V (W)
Power Loss
70
65
60
Effi12V (%)
Effi8V (%)
Effi18V (%)
0.4
0.3
0.2
0.1
55
0.00
0.50
1.00
1.50
2.00
2.50
3.00
0.0
0.00
0.50
1.00
1.50
2.00
2.50
3.00
Load Current (A)
Load Current (A)
Figure 11.
1.8 V OUT Efficiency Over V IN vs. Load
Figure 12. 1.8 V OUT Dissipation Over V IN vs. Load
1.828
Regulation Characteristic
100
Efficiency
95
1.826
90
1.824
1.822
Vo8V (V)
85
80
75
1.820
1.818
Vo12V (V)
Vo18V (V)
70
65
V IN =8V , 300KHz
V IN =12V, 500Khz
0.00
0.50
1.00
1.50 2.00
2.50
3.00
0.00
0.50
1.00
1.50
2.00
2.50
3.00
Load Current (A)
Figure 13. 1.8 V OUT Regulation vs. Load
? 2007 Fairchild Semiconductor Corporation
FAN2103 ? Rev. 1.0.8
8
Load Curr e nt (A)
Figure 14. 3.3 V OUT Efficiency vs. Load
(Circuit Values Changed)
www.fairchildsemi.com
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