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参数资料
| 型号： | MP2562DS-LF |
| 厂商： | MONOLITHIC POWER SYSTEMS INC |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, 4800 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | ROHS COMPLIANT, MS-012AA, SOIC-8 |
| 文件页数： | 14/20页 |
| 文件大小： | 563K |
| 代理商： | MP2562DS-LF |
MP2562 – 1A, 4MHz, 50V STEP-DOWN CONVERTER
MP2562 Rev. 0.91
www.MonolithicPower.com
3
4/5/2010
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2010 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 12V, VEN = 2.5V, VCOMP = 1.4V, TA= +25°C, unless otherwise noted.
Parameter
Symbol Condition
Min
Typ
Max
Units
Feedback Voltage
VFB
4.5V < VIN < 50V
0.776
0.8
0.824
V
Upper Switch On Resistance
RDS(ON)
VBST – VSW = 5V
460
m
Upper Switch Leakage
VEN = 0V, VSW = 0V, VIN = 50V
1
μA
Current Limit
Duty Cycle = 50%
1.8
A
Error Amp Voltage Gain
200
V/V
Error Amp Transconductance
ICOMP = ±3A
40
60
80
A/V
Error Amp Min Source current
VFB = 0.7V
5
A
Error Amp Min Sink current
VFB = 0.9V
–5
A
VIN UVLO Threshold
2.7
3.0
3.3
V
VIN UVLO Hysteresis
0.4
V
Soft-Start Time
10%< VOUT <90%
1.3
(5)
ms
RFREQ = 45k
1.6
2
2.4
MHz
Oscillator Frequency
RFREQ = 18k
3.2
4
4.8
MHz
Shutdown Supply Current
VEN = 0V
12
20
A
Quiescent Supply Current
No load, VFB = 0.9V
120
145
A
Thermal Shutdown
150
°C
Thermal Shutdown Hysteresis
15
°C
Minimum Off Time
(6)
100
ns
Minimum On Time
(6)
100
ns
EN Up Threshold
1.3
1.5
1.7
V
EN Threshold Hysteresis
300
mV
Note:
5) The Soft-Start Time is measured based on VOUT from 10% to 90% and multiplied by 1.25 to get 0% to 100% Soft-Start Time.
6) Guaranteed by design.
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相关代理商/技术参数 |
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| MP2562DS-LF-Z | 功能描述:开关变换器、稳压器与控制器 1A/50V, 4MHz Non-sync Buck RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MP2565DN-LF | 功能描述:开关变换器、稳压器与控制器 2.5A, 4MHz, 50V Step-Down Converter RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MP2565-DN-LF-Z | 制造商:Monolithic Power Systems 功能描述:2.5A, 4MHZ, 50V STEP-DOWN CONVERTER, - Bulk |
| MP2565DN-LF-Z | 功能描述:开关变换器、稳压器与控制器 2.5A, 4MHz, 50V Step-Down Converter RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| MP2565DQ-LF-P | 功能描述:开关变换器、稳压器与控制器 2.5A, 4MHz, 50V Step-Down Converter RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
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