參數(shù)資料
型號： MIC5254-SJBMM
廠商： MICREL INC
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： DUAL 150MA UCAP LDO WITH ERROR FLAG OUTPUTS
中文描述： DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, PDSO10
封裝： MSOP-10
文件頁數(shù)： 3/11頁
文件大小： 160K
代理商： MIC5254-SJBMM
September 2003
3
MIC5254
MIC5254
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
Micrel
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
MSOP-10
(
θ
JA
) ..................................................200
°
C/W
Electrical Characteristics
(Note 5)
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 6
I
OUT
= 100
μ
A
I
OUT
= 100mA
I
OUT
= 150mA
0.02
0.075
%/V
Load Regulation
1.5
2.5
%
Dropout Voltage,
Note 7
0.1
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 8
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
30
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
(ambient temperature) is P
= (T
–T
)/
θ
. Exceeding the maximum allowable
power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. The
θ
JA
of the MIC5254-SJBMM is
200
°
C/W on a PC board (see “Thermal Considerations” section for further details).
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