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| 型号： | MIC2545A-2YM TR |
| 厂商： | Micrel Inc |
| 文件页数： | 4/18页 |
| 文件大小： | 0K |
| 描述： | IC SW CURR LIMIT HI SIDE 8-SOP |
| 标准包装： | 2,500 |
| 类型： | 高端 |
| 输入类型： | 非反相 |
| 输出数： | 1 |
| 导通状态电阻： | 35 毫欧 |
| 电流 - 峰值输出： | 3A |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
| 其它名称： | MIC2545A-2YMTR MIC2545A-2YMTR-ND |
Micrel, Inc.
Absolute Maximum Ratings (1)
Supply Voltage (V IN ) .................................................... + 7.0V
Output Voltage (V OUT ). ................................................ + 7.0V
Output Current (I OUT ) .................................Internally Limited
Enable Input (V EN ) ........................................... ? 0.3V to + 7V
Fault Flag Voltage (V FLG )............................................. + 7.0V
Fault Flag Current (I FLG ) ..............................................50mA
Storage Temperature (Ts)......................... –65°C to +150°C
MIC2545A/2549A
Operating Ratings (2)
Supply Voltage (V IN )..................................... +2.7V to +5.5V
Ambient Temperature (T A ) .......................... –40°C to +85°C
Package Thermal Resistance
PDIP ( θ JA ) ........................................................130°C/W
SOIC ( θ JA ) ........................................................160°C/W
TSSOP ( θ JA ) (4) ..................................................100°C/W
Current-Limit Set Range (5) .................................. 0.5A to 3A
Junction Temperature (T J ) ........................Internally Limited
Lead Temperature (soldering, 5sec.)......................... 260°C
ESD Rating (3) ..............................................................1500V
Electrical Characteristics (4)
V IN = + 5V; T A = 25°C, bold values indicate –40°C to +85°C, unless noted.
Symbol
Parameter
Condition
Min.
Typ.
Max.
Units
Switch Off, OUT = Open
(6)
0.75
5
μA
Switch On, OUT = Open
Supply Current
(6)
90
125
150
μA
Enable Low Transition
V EN
Enable Input Voltage
Enable Input Current
Enable High Transition (6)
(6)
V EN = V OH(MIN) = 2.4V
V EN = V OL(MAX) = 0.8V
2.4
1.6
1.5
0.01
0.01
0.8
1
1
V
μA
Enable Input Capacitance
Note 7
1
pF
R DS(ON)
Switch Resistance
I OUT = 500mA
35
50
m ?
I LIMIT = 0.5A to 3A, V OUT = 1V to 4V
I LIMIT = 1A to 2.5A, V OUT = 1V to 4V
Current-Limit Factor
Output Leakage Current
Switch Off, V OUT = 0V
(5)
(5)
184
195
230
230
1
276
264
10
V
μA
t ON
t R
t OFF
Output Turn-On Delay
Output Turn-On Rise Time
Output Turn-Off Delay
R L = 10 ? , C L = 1μF, Figures 1a, 1b
R L = 10 ? , C L = 1μF, Figures 1a, 1b
R L = 10 ? , C L = 1μF, Figures 1a, 1b
1
0.75
2
1.8
25
5
4.9
ms
ms
μs
Notes:
1.
2.
3.
4.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
Assumes 4-layer PCB is used.
SET
5.
Current limit is determined by I LIMIT =
230
R
, where R SET is in ? s, and 230 is typical current-limit factor in volts.
6.
7.
Off is ≤ 0.8V and on is ≥ 2.4V for the MIC2545A-1 and MIC2549A-1. Off is ≥ 2.4V and on is ≤ 9.8V for the MIC2545A-2 and MIC2549A-2. The
enable input has about 100mV of hysteresis.
Guaranteed by design but not production tested.
June 2011
4
M9999-062711-A
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| MIC2545A-2YN | 功能描述:电源开关 IC - USB Programmable Current Limit High-Side Switch RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
| MIC2545A-2YTS | 功能描述:电源开关 IC - USB Programmable Current Limit Single High-Side Switch - Lead Free RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
| MIC2545A-2YTS TR | 功能描述:电源开关 IC - USB Programmable Current Limit Single High-Side Switch - Lead Free RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
| MIC2546-1BM | 功能描述:IC SW CURR LIMIT DUAL 16-SOP RoHS:否 类别:集成电路 (IC) >> PMIC - MOSFET，电桥驱动器 - 内部开关 系列:- 标准包装:1 系列:- 类型:高端 输入类型:非反相 输出数:1 导通状态电阻:85 毫欧 电流 - 输出 / 通道:2A 电流 - 峰值输出:6A 电源电压:1.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:4-UFDFN 裸露焊盘，4-TMLF? 供应商设备封装:4-TMLF?（1.2x1.6） 包装:剪切带 (CT) 其它名称:576-1574-1 |
| MIC2546-1BM TR | 功能描述:IC SW CURR LIMIT DUAL 16-SOP RoHS:否 类别:集成电路 (IC) >> PMIC - MOSFET，电桥驱动器 - 内部开关 系列:- 标准包装:1 系列:- 类型:高端 输入类型:非反相 输出数:1 导通状态电阻:85 毫欧 电流 - 输出 / 通道:2A 电流 - 峰值输出:6A 电源电压:1.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:4-UFDFN 裸露焊盘，4-TMLF? 供应商设备封装:4-TMLF?（1.2x1.6） 包装:剪切带 (CT) 其它名称:576-1574-1 |
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