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参数资料
| 型号： | FAN2103MPX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 5/14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： | 是 |
| 工作温度： | -10°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： | FAN2103MPXDKR |
Electrical Specifications
Recommended operating conditions are the result of using the circuit shown in Figure 1 unless otherwise noted.
Parameter
Conditions
Min.
Typ.
Max.
Unit
Power Supplies
V CC Current
SW = Open, FB = 0.7 V, V CC = 5 V,
f SW = 600 KHz
Shutdown: EN = 0, V CC = 5 V
8
7
12
10
mA
μA
V CC UVLO Threshold
Rising V CC
Hysteresis
4.1
4.3
300
4.5
V
mV
Oscillator
Minimum On-Time
Frequency
(2)
Ramp Amplitude, pk–pk
Minimum Off-Time (2)
R T = 50 K Ω
R T = 24 K Ω
16 V IN , 1.8 V OUT , R T = 30 K Ω ,
R RAMP = 200 K Ω
255
540
300
600
50
0.53
100
345
660
65
150
KHz
KHz
ns
V
ns
Reference
Reference Voltage (V FB )
Temperature Coefficient
FAN2103M, 25°C
FAN2103EM, 25°C
FAN2103M, -10 to +85°C
FAN2103EM, -40 to +85°C
794
795
800
800
50
70
806
805
mV
mV
PPM
PPM
Error Amplifier
DC Gain (2)
80
85
dB
Gain Bandwidth Product (2)
Output Voltage (V COMP )
Output Current, Sourcing
Output Current, Sinking
V CC = 5 V
V CC = 5 V, V COMP = 2.2 V
V CC = 5 V, V COMP = 1.2 V
12
0.4
1.5
0.8
15
2.2
1.2
3.2
MHz
V
mA
mA
FB Bias Current
V FB = 0.8 V, 25°C
-850
-650
-450
nA
Protection and Shutdown
Current Limit
I LIM Current
Over-Temperature Shutdown
Over-Temperature Hysteresis
Over-Voltage Threshold
Under-Voltage Shutdown
Fault Discharge Threshold
Fault Discharge Hysteresis
R ILIM Open
25°C, V CC = 5 V
Internal IC Temperature
2 Consecutive Clock Cycles
16 Consecutive Clock Cycles
Measured at FB Pin
Measured at FB Pin (V FB ~500 mV)
3.8
9
110
68
5.0
10
+160
+30
115
73
250
250
7.0
11
120
78
A
μA
°C
°C
%V OUT
%V OUT
mV
mV
Soft-Start
V OUT to Regulation (T0.8)
Fault Enable/SSOK (T1.0)
Frequency = 600 KHz
5.3
6.7
ms
ms
Note:
2. Specifications guaranteed by design and characterization; not production tested.
? 2007 Fairchild Semiconductor Corporation
FAN2103 ? Rev. 1.0.8
5
www.fairchildsemi.com
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