MIC5256 Datasheet, PDF (3/11 Pages) Micrel Semiconductor – 150mA UCap LDO with Error Flag

MIC5256
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
SOT-23 (θ_JA) .....................................................235°C/W
Electrical Characteristics
V_IN = V_OUT + 1V, V_EN = V_IN; I_OUT = 100µA; T_J = 25°C, bold values indicate –40°C ≤ T_J ≤ +125°C; unless noted.
Symbol
Parameter
Conditions
Min Typical
V_O
Output Voltage Accuracy
I_OUT = 100µA
–1
–2
∆V_LNR
∆V_LDR
V_IN – V_OUT
Line Regulation
Load Regulation
Dropout Voltage, Note 6
V_IN = V_OUT + 1V to 6V
I_OUT = 0.1mA to 150mA, Note 5
I_OUT = 100µA
I_OUT = 100mA
I_OUT = 150mA
0.02
1.5
0.1
90
135
I_Q
I_GND
PSRR
Quiescent Current
Ground Pin Current, Note 7
Power Supply Rejection
I_LIM
Current Limit
e_n
Output Voltage Noise
Enable Input
V_IL
Enable Input Logic-Low Voltage
V_IH
Enable Input Logic-High Voltage
I_EN
Enable Input Current
Shutdown Resistance Discharge
Error Flag
V_FLG
Low Threshold
High Threshold
V_OL
Output Logic-Low Voltage
I_FL
Flag Leakage Current
Thermal Protection
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
V_EN ≤ 0.4V (shutdown)
I_OUT = 0mA
I_OUT = 150mA
f = 10Hz, V_IN = V_OUT + 1V; C_OUT = 1µF
f = 100Hz, V_IN = V_OUT + 0.5V; C_OUT = 1µF
f = 10kHz, V_IN = V_OUT + 0.5V
V_OUT = 0V
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
% of V_OUT (Flag ON)
% of V_OUT (Flag OFF)
I_L = 100µA, fault condition
flag off, V_FLG = 6V
0.2
90
117
60
60
45
160 425
tbd
1.6
0.01
0.01
500
90
0.02
0.01
150
10
Max
+1
+2
0.05
2.5
5.0
150
200
250
1
150
0.4
96
0.1
Units
%
%
%/V
%
mV
mV
mV
mV
µA
µA
µA
dB
dB
dB
mA
µV(rms)
V
V
µA
µA
Ω
%
%
V
µA
°C
°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
June 2003
3
MIC5256