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参数资料
| 型号： | SC4501MSETRT |
| 厂商： | Semtech |
| 文件页数： | 2/21页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 2A 8MSOP |
| 标准包装： | 1 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调至 32V |
| 输入电压： | 1.4 V ~ 16 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 1.5MHz |
| 电流 - 输出： | 2A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽）裸露焊盘 |
| 包装： | 标准包装 |
| 供应商设备封装： | 8-MSOP-EP |
| 其它名称： | SC4501MSEDKR |
SC4501
POWER MANAGEMENT
Absolute Maximum Rating
Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified
in the Electrical Characteristics section is not implied.
Parameter
Supply Voltage
SW Voltage
FB Voltages
SHDN Voltage
Operating Temperature Range
Thermal Resistance Junction to Ambient (MSOP-8)
Thermal Resistance Junction to Ambient (MLPD-10)
Maximum Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering)10 sec
ESD Rating (Human Body Model)
Symbol
V IN
V SW
V FB
V SHDN
T A
θ JA
θ JA
T J
T STG
T LEAD
ESD
Typ
-0.3 to 18
-0.3 to 32
-0.3 to 2.5
-0.3 to V IN + 1
-40 to +85
40
40
160
-65 to +150
260
2000
Units
V
V
V
V
°C
°C/W
°C
°C
°C
V
Electrical Characteristics
Unless specified: V IN = 2V, SHDN = 1.5V, R OSC = 7.68k Ω , -40°C < T A = T J < 85°C
Parameter
Undervoltage Lockout Threshold
Test Conditions
Min
Typ
1.3
Max
1.4
Unit
V
Maximum Operating Voltage
16
V
Feedback Voltage
Feedback Voltage Line
Regulation
FB Pin Bias Current
T A = 25°C
-40°C < T A < 85°C
1.5V < V IN < 16V
1.224
1.217
1.242
0.01
40
1.260
1.267
80
V
V
%
nA
Error Amplifier Transconductance
Error Amplifier Open-Loop Gain
60
49
μΩ ?1
dB
COMP Source Current
COMP Sink Current
V FB = 1.1V
V FB = 1.4V
5
5
μ A
μ A
V IN Quiescent Supply Current
V IN Supply Current in Shutdown
Switching Frequency
Maximum Duty Cycle
Minimum Duty Cycle
Switch Current Limit
Switch Saturation Voltage
V SHDN = 1.5V, V COMP = 0 ( Not Switching )
V SHDN = 0
I SW = 2A
1.27
85
2
1.1
10
1.5
90
2.8
220
1.6
18
1.77
0
350
mA
μ A
MHz
%
%
A
mV
2011
? 2005 Semtech Corp.
2
www.semtech.com
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