參數(shù)資料
型號: MCP1725
廠商: Microchip Technology Inc.
英文描述: 500 mA, Low Voltage, Low Quiescent Current LDO Regulator
中文描述: 500毫安,低電壓,低靜態(tài)電流LDO穩(wěn)壓器
文件頁數(shù): 11/32頁
文件大小: 1000K
代理商: MCP1725
2006 Microchip Technology Inc.
DS22026A-page 11
MCP1725
Note:
Unless otherwise indicated, V
IN
= V
OUT
+ 0.5V or V
IN
= 2.3V (whichever is greater), I
OUT
= 1 mA,
C
IN
= C
OUT
= 4.7 μF Ceramic (X7R), SHDN = V
IN
, C
DELAY
= Open, Fixed Output Version, and T
A
= +25°C
.
FIGURE 2-19:
Current.
Dropout Voltage vs. Load
FIGURE 2-20:
Temperature.
Dropout Voltage vs.
FIGURE 2-21:
Input Voltage.
Short Circuit Current vs.
FIGURE 2-22:
Density vs. Frequency.
Output Noise Voltage
FIGURE 2-23:
Rejection (PSRR) vs. Frequency (V
OUT
= 1.2V
Adj.).
Power Supply Ripple
FIGURE 2-24:
Rejection (PSRR) vs. Frequency (V
OUT
= 1.2V
Adj.).
Power Supply Ripple
0.00
0.05
0.10
0.15
0.20
0.25
0
100
200
300
400
500
Load Current (mA)
D
V
OUT
= 5.0V
V
OUT
= 2.5V
0.10
0.12
0.14
0.16
0.18
0.20
0.22
0.24
0.26
0.28
-45
-20
5
30
55
80
105
130
Temperature (°C)
D
V
OUT
= 5.0V
V
OUT
= 2.5V
I
LOAD
= 500 mA
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Input Voltage (V)
S
I
STEADY STATE
I
PEAK
V
OUT
= 2.5V Fixed
C
IN
= 3000 μF
0.001
0.01
0.1
1
10
0.01
0.1
1
10
100
1000
Frequency (kHz)
N
H
V
IN
= 3.3V
V
OUT
= 2.5V
V
IN
= 2.3V
V
OUT
= 0.8V
I
LOAD
= 200 mA
C
OUT
= 1 μF
C
IN
= 10 μF
-80
-70
-60
-50
-40
-30
-20
-10
0
0.01
0.1
1
10
100
1000
Frequency (kHz)
P
V
R
=1.2V Adj
C
OUT
=4.7
μ
F ceramic X7R
V
IN
=2.5V
C
IN
=0
μ
F
I
OUT
=10 mA
-80
-70
-60
-50
-40
-30
-20
-10
0
0.01
0.1
1
10
100
1000
Frequency (kHz)
P
V
R
=1.2V Adj
C
OUT
=22
μ
F ceramic X7R
V
IN
=2.5V
C
IN
=0
μ
F
I
OUT
=10 mA
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MCP1725-0802E/MC 功能描述:低壓差穩(wěn)壓器 - LDO 500mA CMOS LDO Vout=0.8V RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MCP1725-0802E/SN 功能描述:低壓差穩(wěn)壓器 - LDO 500mA CMOS LDO Vout=0.8V RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MCP1725-1202E/MC 功能描述:低壓差穩(wěn)壓器 - LDO 500mA CMOS LDO Vout=1.2V RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MCP1725-1202E/SN 功能描述:低壓差穩(wěn)壓器 - LDO 500mA CMOS LDO Vout=1.2V RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
MCP1725-1802E/MC 功能描述:低壓差穩(wěn)壓器 - LDO 500mA CMOS LDO Vout=1.8V RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓(最大值):307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20