M
200mA, Negative-Output, Low-Dropout
Linear Regulator in SOT23
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN, SET to GND .................................................... -7.0V to +0.3V
SHDN
to GND ............................................ (V
IN
- 0.3)V to +7.0V
OUT to GND ...............................................(V
IN
- 0.3)V to +0.3V
Output Short-Circuit Duration........................................Indefinite
Continuous Power Dissipation (T
A
= +70
°
C)
5-Pin SOT23 (derate 7.1mW/
°
C above +70
°
C)........... 571mW
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 2, V
IN
= V
OUT
- 1V, V
SHDN
= V
IN
, T
A
= -40
°
C to +85
°
C, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
(Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Operating Temperature Range ...........................-40
°
C to +85
°
C
Junction Temperature......................................................+150
°
C
Storage Temperature Range............................ -65
°
C to +150
°
C
Lead Temperature (soldering, 10s)................................ +300
°
C
PARAMETER
SYMBOL
V
IN
CONDITIONS
MIN
-6.5
-1
-2
-3
-1.2625
TYP
MAX
-2.5
+1
+2
+2
-1.2375
UNITS
V
Input Voltage
T
A
= +25
°
C, I
OUT
= -100μA
I
OUT
= -100μA, T
A
= 0
°
C to +85
°
C
I
LOAD
= -100μA to -200mA
Circuit of Figure 3, T
A
= +25
°
C, I
OUT
= -100μA
Output Voltage Accuracy
%
-1.25
Circuit of Figure 3, I
OUT
= -100μA,
T
A
= 0
°
C to +85
°
C
Circuit of Figure 3, I
LOAD
= -100μA to -200mA
-1.275
-1.225
SET Regulation Set Point
-1.275
-200
-1020
-180
-1.2125
V
Maximum Output Current
Current Limit
I
OUT
I
LIM
mA
mA
V
OUT
= 0
I
OUT
= -100μA
I
OUT
= -200mA
I
OUT
= -100mA
I
OUT
= -200mA
-515
-85
-125
40
80
-250
Ground-Pin Current
I
Q
μA
Dropout Voltage (Note 2)
240
mV
Line Regulation
Circuit of Figure 3,
V
IN
from -6.5V to -2.5V, V
OUT
= -1.25V
-0.15
0
+0.15
%/V
Load Regulation
Output Voltage Noise
Power-Supply Rejection Ratio
I
OUT
from 0mA to -200mA
10Hz to 1MHz, C
OUT
= 1μF
f = 100Hz
0.004
160
60
-0.001
-1
%/mA
μV
RMS
dB
PSRR
T
A
= +25
°
C
T
A
= +85
°
C
-1
Shutdown Supply Current
V
SHDN
= 0
μA
Positive voltage at
SHDN
Negative voltage at
SHDN
Positive voltage at
SHDN
Negative voltage at
SHDN
V
SET
= -1.25V, T
A
= +25
°
C
+1.6
SHDN
Input High Threshold
(Note 3)
-1.6
+0.4
V
SHDN
Input Low Threshold
(Note 3)
-0.4
V
Set Input Bias Current
I
SET
-100
-15
nA
V
SHDN
= +6.5V
V
SHDN
= 0, -6.5V
3.5
+0.5
SHDN
Input Bias Current
T
A
= +25
°
C
-0.5
μA
Thermal Shutdown Junction
Temperature
Hysteresis = 15
°
C (typ)
160
°
C
Note 1:
Limits are 100% production tested at TA= +25
°
C. Limits over operating temperature range are guaranteed by design.
Note 2:
The dropout voltage is defined as VOUT- VIN, when VOUTis 100mV above the nominal value of VOUT.
Note 3:
The
SHDN
logic input can be driven by either a positive voltage or a negative voltage. | V
SHDN
| < 0.4V puts the device in shutdown,
while | V
SHDN
| > 1.6V enables the device.