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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)： | 5/32頁 |
| 文件大小： | 1000K |
| 代理商： | MCP1725 |
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2006 Microchip Technology Inc.
DS22026A-page 5
MCP1725
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings
V
IN
....................................................................................6.5V
Maximum Voltage on Any Pin... (GND – 0.3V) to (V
IN
+ 0.3)V
Maximum Power Dissipation......... Internally-Limited (
Note 6
)
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
Notice:
Stresses above those listed under “Maximum
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.
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
Sym
Min
Typ
Max
Units
Conditions
Input Operating Voltage
V
IN
I
q
2.3
6.0
V
Note 1
Input Quiescent Current
—
120
220
μA
I
L
= 0 mA, V
IN
=
Note 1
,
V
OUT
= 0.8V to 5.0V
SHDN = GND
Input Quiescent Current for
SHDN Mode
I
SHDN
—
0.1
3
μA
Maximum Output Current
I
OUT
500
—
—
mA
V
IN
= 2.3V to 6.0V
V
R
= 0.8V to 5.0V,
Note 1
(Note 1)
≤
V
IN
≤
6V
Line Regulation
Δ
V
OUT
/
(V
OUT
x
Δ
V
IN
)
Δ
V
OUT
/V
OUT
—
±0.05
±
0.16
%/V
Load Regulation
-1.0
±0.5
1.0
%
I
OUT
= 1 mA to 500 mA,
(
Note 4
)
Output Short Circuit Current
I
OUT_SC
—
1.2
—
A
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
V
IN
= 6.0V, V
ADJ
= 0V to 6V
Note 3
Adjust Pin Leakage Current
I
ADJ
-10
±0.01
+10
nA
Adjust Temperature Coefficient
TCV
OUT
—
40
—
ppm/°C
Fixed-Output Characteristics (Fixed Output Only)
Voltage Regulation
V
OUT
V
R
- 2.5%
V
R
±0.5%
V
R
+ 2.5%
V
Note 2
Note
1:
2:
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
voltage for the adjustable cases. V
R
= V
ADJ
*
((R
1
/R
2
)+1).
Figure 4-1
.
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.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
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