参数资料
| 型号： | SP6203ER-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 2/14页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .3A 8DFN |
| 标准包装： | 3,000 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 可调至 1.25V |
| 输入电压： | 2.7 V ~ 5.5 V |
| 电压 - 压降（标准）： | 0.18V @ 300mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 300mA |
| 电流 - 限制（最小）： | 330mA |
| 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（3x2） |
| 包装： | 带卷 (TR) |
S P 6 2 0 3 / S P 6 2 0 5
3 0 0 m A / 5 0 0 m A L o w N o i s e C M O S L D O R e g u l a t o r s
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of
the device at these ratings or any other above those
indicated in the operation sections of the specifications
below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may affect
reliability.
V IN .............................................................. -2V to 6.0V
Output Voltage V OUT ...............................-0.6V to V IN +1V
Enable Input Voltage V EN ................ .. ...............-2V to 6V
Storage Temperature .............................. -65°C to 150°C
Power Dissipation ............................... Internally Limited 1
Lead Temperature (Soldering, 5 sec) ................... +260°C
Junction Temperature ........................................ +150°C
OPERATING RATINGS
Input Voltage Range V IN .......................... +2.7V to +5.5V
Enable Input Voltage V EN ................... ...............0 to 5.5V
Junction Temperature Range ................. -40°C to +125°C
Thermal Resistance ......................................................
SOT-23-5 ( θ JA ) .............................................191°C/W
DFN-8 ( θ JA ) ................................................... 59°C/W
Note 1: Maximum power dissipation can be calculated
using the formula: PD = (T J (max) - T A ) / θ JA , where
T J (max) is the junction temperature, T A is the ambient
temperature and θ JA is the junction-to-ambient thermal
resistance. θ JC is 6°C/W for this package. Exceeding the
maximum allowable power dissipation will result in
excessive die temperature and the regulator will go into
thermal shutdown mode.
ELECTRICAL SPECIFICATIONS
Specifications with standard type are for an Operating Junction Temperature of T J = 25°C only; limits applying over the full
Operating Junction Temperature range are denoted by a “?”. Minimum and Maximum limits are guaranteed thro ugh test,
design, or statistical correlation. Typical values represent the most likely parametric norm at T J = 25°C, and are provided for
reference purposes only. Unless otherwise indicated, V IN = (V OUT + 0.5V) to 6V, C IN = 2.2μF, C OUT = 2.2μF and I OUT = 100μA,
T J = – 40°C to 85°C.
Parameter
Input Voltage
Min.
Typ.
Max.
6
Units
V
?
Conditions
Output Voltage
Output Voltage
Temperature Coefficient
2
-2
50
+2
%
ppm/°C
?
Variation from specified V OUT
? V OUT / ? T
Reference Voltage
Line Regulation
3
Load Regulation
1.225
1.25
0.04
0.07
0.13
1.275
0.3
0.3
0.5
V
%/V
%
?
Adjustable version only
? V OUT (V IN below 6V)
I OUT = 0.1mA to 300mA (SP6203)
I OUT = 0.1mA to 500mA (SP6205)
Dropout Voltage for V OUT ≥ 3.0V 4
0.06
60
120
180
300
300
500
mV
?
?
I OUT
I OUT
I OUT
I OUT
I OUT
=
=
=
=
=
0.1mA
100mA
200mA
300mA (SP6203)
500mA (SP6205)
Ground Pin Current
5
45
110
175
235
350
100
330
490
μA
?
?
?
I OUT
I OUT
I OUT
I OUT
I OUT
=
=
=
=
=
0.1mA (I QUIESCENT )
100mA
200mA
300mA (SP6203)
500mA (SP6205)
Shutdown Supply Current
0.01
1
μA
?
V EN < 0.4V (shutdown)
Current Limit
Thermal Shutdown Junction
Temperature
Thermal Shutdown Hysteresis
Power Supply Rejection Ratio
0.33
0.55
0.50
0.85
170
12
67
0.8
1.4
A
°C
°C
dB
V OUT = 0V (SP6203)
V OUT = 0V (SP6205)
Regulator Turns off
Regulator turns on again at 158°C
f ≤ 1kHz
Output Noise Voltage
6
150
630
12
50
75
μV RMS
C BYP
C BYP
C BYP
C BYP
=
=
=
=
10nF,
10nF,
10nF,
10nF,
I OUT
I OUT
I OUT
I OUT
=
=
=
=
0.1mA
300mA
0.1mA
300mA
Thermal Regulation
7
0.05
%/W
? V OUT / ? P D
Wake-Up Time (T WU )
8
(from shutdown mode)
? 2012 Exar Corporation
25
50
2/14
μS
V IN ≥ 4V 10
I OUT = 30mA
Rev. 2.0.0
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