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参数资料
| 型号： | FAN21SV06EMPX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 5/17页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 6A 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： | 0.8 V ~ 19 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： | 6A |
| 同步整流器： | 是 |
| 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) |
| 其它名称： | FAN21SV06EMPXDKR |
Electrical Characteristics
Recommended operating conditions, using the circuit in Figure 1, with V IN , V IN_Reg =12 V, unless otherwise noted.
Parameter
Conditions
Min.
Typ.
Max.
Units
Power Supplies
Operating Current
(VIN+VIN_Reg)
VIN_Reg Operating Current
VIN_Reg Quiescent Current
VIN_Reg Standby Current
V IN =12 V, 5 V_Reg open, CLK open,
f SW =500 KHz, No Load
EN=High, 5 V_Reg open, CLK open,
f SW =500 KHz
EN=High, FB=0.9 V
EN=0, V IN =12 V
22
11
4
30
5
1
mA
mA
mA
mA
5V_Reg Output Voltage
5V_Reg Max Current Load
VIN_Reg UVLO Threshold
Internal V CC Regulator, No Load
(6.5 V <VIN_Reg<24 V)
VIN_Reg=12 V)
Rising V IN , V IN =VIN_Reg
Falling V IN , V IN =VIN_Reg
4.7
5.0
5.6
5.3
5
6.3
5
V
mA
V
V
Reference
Reference Voltage measured
at FB (See Figure 4 for
Temperature Coefficient)
FAN21SV06M, 25°C
FAN21SV06EM, 25°C
794
795
800
800
806
805
mV
mV
Oscillator
Frequency
Frequency in Slave Mode
compared to Master Mode
R T =50 k Ω to GND (Master Mode)
R T =24 k Ω to GND (Master Mode)
R T =24 k Ω to 50k Ω to 5 V_Reg
(Slave Mode)
255
540
-15
300
600
345
660
+15
KHz
KHz
%
Minimum On-Time
Duty Cycle
Ramp Amplitude,
Peak–to-Peak (2)
(2)
V IN =6.5 V, f SW =600 KHz
16 V IN , 1.8 V OUT , R T =30 k Ω , R RAMP =200 k Ω
40
80
0.5
65
85
ns
%
V
Minimum Off-Time (2)
100
150
ns
Synchronization
CLK Output Pulse Width
CLK Output Sink Current
CLK Output Source Current
CLK Input Pulse Width
CLK Input Source Current
CLK Input Threshold, Rising
Master (R T to GND)
Master, V CLK =0.4 V
Master, V CLK =2 V
Slave: V CLK > 2 V
Slave: V CLK =1 V
Slave
70
0.25
-2.5
50
-230
1.73
85
-200
1.83
100
0.35
-2.0
-170
1.93
ns
mA
mA
ns
μA
V
Soft-Start
V OUT to Regulation (T 0.8 )
Fault Enable/SSOK (T 1.0 )
Frequency=500 KHz
2.5
3.1
ms
ms
Error Amplifier
DC Gain (2)
80
85
dB
Gain Bandwidth Product (2)
Output Voltage Swing (V COMP )
VIN_Reg > 6.5 V
12
0.4
15
4.0
MHz
V
Output Current, Sourcing
Output Current, Sinking
FB Bias Current
5V_Reg=5 V, V COMP =2.2 V
5V_Reg=5 V, V COMP =1.2 V
V FB =0.8 V, 25°C
1.5
0.8
-850
2.2
1.2
-650
2.5
1.5
-450
mA
mA
nA
Note:
2. Specifications guaranteed by design and characterization; not production tested.
? 2006 Fairchild Semiconductor Corporation
FAN21SV06 Rev. 1.0.3
5
www.fairchildsemi.com
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