参数资料
| 型号： | MCP1725T-1802E/MC |
| 厂商： | Microchip Technology |
| 文件页数： | 5/32页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 1.8V .5A 8DFN |
| 产品培训模块： | High Current LDOs |
| 标准包装： | 3,300 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 1.8V |
| 输入电压： | 2.3 V ~ 6 V |
| 电压 - 压降（标准）： | 0.21V @ 500mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 500mA（最小） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-VFDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN（2x3） |
| 包装： | 带卷 (TR) |
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MCP1725
1.0
ELECTRICAL
? Notice: Stresses above those listed under “Maximum
CHARACTERISTICS
Absolute Maximum Ratings ?
V IN ......................................................................... 6.5V
Maximum Voltage on Any Pin
Ratings” may cause permanent damage to the device.
This is a stress rating only and functional operation of
the device at those or any other conditions above those
indicated in the operational listings of this specification
is not implied. Exposure to maximum rating conditions
for extended periods may affect device reliability.
........................................(GND – 0.3V) to (V IN + 0.3)V
Maximum Power Dissipation............. Internally-Limited
Output Short Circuit Duration ..................... Continuous
Storage temperature .......................... -65°C to +150°C
Maximum Junction Temperature, T J ................ +150°C
ESD protection on all pins (HBM/MM) .. ≥ 2 kV; ≥ 200V
AC/DC CHARACTERISTICS
Electrical Specifications: Unless otherwise noted, V IN = V OUT(MAX) + V DROPOUT(MAX) (Note 1) , V R = 1.8V for Adjustable Output,
I OUT = 1 mA, C IN = C OUT = 4.7 μF (X7R Ceramic), T A = +25°C.
Boldface type applies for junction temperatures, T J ( Note 7 ) of -40°C to +125°C
Parameters
Input Operating Voltage
Input Quiescent Current
Sym
V IN
I q
Min
2.3
—
Typ
120
Max
6.0
220
Units
V
μA
Conditions
V OUT = 0.8V to 5.0V
Input Quiescent Current for
I SHDN
—
0.1
3
μA
SHDN = GND
SHDN Mode
Maximum Output Current
Line Regulation
Load Regulation
Output Short Circuit Current
I OUT
Δ V OUT /
(V OUT x Δ V IN )
Δ V OUT /V OUT
I OUT_SC
500
—
-1.0
—
—
±0.05
±0.5
1.2
—
± 0.16
1.0
—
mA
%/V
%
A
V IN = 2.3V to 6.0V
I OUT = 1 mA to 500 mA,
R LOAD < 0.1 Ω , Peak Current
Adjust Pin Characteristics (Adjustable Output Only)
Adjust Pin Reference Voltage
V ADJ
0.402
0.410
0.418
V
V IN = 2.3V to V IN = 6.0V,
I OUT = 1 mA
Adjust Pin Leakage Current
Adjust Temperature Coefficient
I ADJ
TCV OUT
-10
—
±0.01
40
+10
—
nA
ppm/°C
V IN = 6.0V, V ADJ = 0V to 6V
Fixed-Output Characteristics (Fixed Output Only)
Voltage Regulation
V OUT
V R - 2.5%
V R ±0.5% V R + 2.5%
V
Note 1:
2:
3:
4:
5:
6:
7:
The minimum V IN must meet two conditions: V IN ≥ 2.3V and V IN ≥ V OUT(MAX) + V DROPOUT(MAX).
V R is the nominal regulator output voltage for the fixed cases. V R = 1.2V, 1.8V, etc. V R is the desired set point output
TCV OUT = (V OUT-HIGH – V OUT-LOW ) *10 6 / (V R * Δ Temperature). V OUT-HIGH is the highest voltage measured over the
temperature range. V OUT-LOW is the lowest voltage measured over the temperature range.
Load regulation is measured at a constant junction temperature using low duty-cycle pulse testing. Load regulation is
tested over a load range from 1 mA to the maximum specified output current.
Dropout voltage is defined as the input-to-output voltage differential at which the output voltage drops 2% below its
nominal value that was measured with an input voltage of V OUT = V R + V DROPOUT(MAX) .
The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction
temperature and the thermal resistance from junction to air. (i.e., T A , T J , θ JA ). Exceeding the maximum allowable power
dissipation will cause the device operating junction temperature to exceed the maximum +150°C rating. Sustained
junction temperatures above +150°C can impact device reliability.
The junction temperature is approximated by soaking the device under test at an ambient temperature equal to the
desired junction temperature. The test time is small enough such that the rise in the junction temperature over the
ambient temperature is not significant.
? 2007 Microchip Technology Inc.
DS22026B-page 5
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| MCP1725T-2502E/MC | 功能描述:低压差稳压器 - LDO 500mA CMOS LDO Vout=2.5V RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MCP1725T-2502E/SN | 功能描述:低压差稳压器 - LDO 500mA CMOS LDO Vout=2.5V RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MCP1725T-3002E/MC | 功能描述:低压差稳压器 - LDO 500mA CMOS LDO Vout=3.0V RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MCP1725T-3002E/SN | 功能描述:低压差稳压器 - LDO 500mA CMOS LDO Vout=3.0V RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MCP1725T-3302E/MC | 功能描述:低压差稳压器 - LDO 500mA CMOS LDO Vout=3.3V RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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