參數(shù)資料
型號(hào)： MIC5256-3.0BM5
廠商： MICREL INC
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： 150mA UCap LDO with Error Flag
中文描述： 3 V FIXED POSITIVE LDO REGULATOR, 0.25 V DROPOUT, PDSO5
封裝： SOT-23, 5 PIN
文件頁(yè)數(shù)： 3/11頁(yè)
文件大?。?/td> 115K
代理商： MIC5256-3.0BM5
MIC5256
Micrel
June 2003
3
MIC5256
Electrical Characteristics
V
IN
= V
OUT
+ 1V, V
EN
= V
IN;
I
OUT
= 100
μ
A; T
J
= 25
°
C,
bold
values indicate
–
40
°
C
≤
T
J
≤
+125
°
C; unless noted.
Symbol
Parameter
Conditions
Min
Typical
Max
Units
V
O
Output Voltage Accuracy
I
OUT
= 100
μ
A
–
1
–
2
+1
+2
%
%
V
LNR
V
LDR
V
IN
–
V
OUT
Line Regulation
V
IN
= V
OUT
+ 1V to 6V
I
OUT
= 0.1mA to 150mA,
Note 5
I
OUT
= 100
μ
A
I
OUT
= 100mA
I
OUT
= 150mA
0.02
0.05
%/V
Load Regulation
1.5
2.5
%
Dropout Voltage,
Note 6
0.1
5.0
mV
90
150
mV
135
200
250
mV
mV
I
Q
I
GND
Quiescent Current
V
EN
≤
0.4V (shutdown)
I
OUT
= 0mA
I
OUT
= 150mA
f = 10Hz, V
IN
= V
OUT
+ 1V; C
OUT
= 1
μ
F
f = 100Hz, V
IN
= V
OUT
+ 0.5V; C
OUT
= 1
μ
F
f = 10kHz, V
IN
= V
OUT
+ 0.5V
V
OUT
= 0V
0.2
1
μ
A
Ground Pin Current,
Note 7
90
150
μ
A
117
μ
A
PSRR
Power Supply Rejection
60
dB
60
dB
45
dB
I
LIM
e
n
Enable Input
Current Limit
160
425
mA
Output Voltage Noise
tbd
μ
V(rms)
V
IL
V
IH
I
EN
Enable Input Logic-Low Voltage
V
IN
= 2.7V to 5.5V, regulator shutdown
V
IN
= 2.7V to 5.5V, regulator enabled
V
IL
≤
0.4V, regulator shutdown
V
IH
≥
1.6V, regulator enabled
0.4
V
Enable Input Logic-High Voltage
1.6
V
Enable Input Current
0.01
μ
A
0.01
μ
A
Shutdown Resistance Discharge
500
Error Flag
V
FLG
Low Threshold
High Threshold
% of V
OUT
(Flag ON)
% of V
OUT
(Flag OFF)
I
L
= 100
μ
A, fault condition
flag off, V
FLG
= 6V
90
%
%
96
V
OL
I
FL
Thermal Protection
Output Logic-Low Voltage
0.02
0.1
V
Flag Leakage Current
0.01
μ
A
Thermal Shutdown Temperature
150
°
C
Thermal Shutdown Hysteresis
10
°
C
Note 1.
Note 2.
Note 3.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
The maximum allowable power dissipation of any T
A
(ambient temperature) is P
D(max)
= T
J(max)
–
T
A
/
θ
JA
. Exceeding the maximum allowable
Absolute Maximum Ratings
(Note 1)
Supply Input Voltage (V
IN
) .................................. 0V to +7V
Enable Input Voltage (V
EN
) ................................. 0V to +7V
Power Dissipation (P
D
) ...............Internally Limited,
Note 3
Junction Temperature (T
J
) .......................
–
40
°
C to +125
°
C
Storage Temperature ...............................
–
65
°
C to +150
°
C
Lead Temperature (soldering, 5 sec.) ....................... 260
°
C
ESD,
Note 4..................................................................
2kV
Operating Ratings
(Note 2)
Input Voltage (V
IN
) ......................................... +2.7V to +6V
Enable Input Voltage (V
EN
) .................................. 0V to V
IN
Junction Temperature (T
J
) .......................
–
40
°
C to +125
°
C
Thermal Resistance
SOT-23
(θ
JA
) .....................................................235
°
C/W
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