TC56 Datasheet, PDF (2/16 Pages) Microchip Technology – 150mA, 10V LDO with Shutdown

TC56
1.0 ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Input Voltage ........................................................+12V
Output Current ..................................................500mA
Output Voltage.......................V_SS – 0.3V to V_IN + 0.3V
SHDN Input Voltage ..............V_SS – 0.3V to V_IN + 0.3V
Power Dissipation (SOT-23).............................150mW
Operating Temperature Range.............-40°C to +85°C
Storage Temperature Range ..............-40°C to +125°C
*Stresses above 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 above those indicated in the
operation sections of the specifications is not implied.
Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability.
TC56 ELECTRICAL SPECIFICATIONS
Electrical Characteristics: V_IN = V_OUT +1V, T_A = 25°C, C_IN = 4.7µF, C_OUT = 10µF, unless otherwise noted.
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
V_IN
Input Voltage
—
—
10
V
V_OUT
Output Voltage
0.98 x V_R V_R ±0.5% 1.02 x V_R
V
I_OUT = 40mA (Note 1)
I_OUTMAX
Maximum Output Current
150
—
180
—
—
mA V_R ≥ 2.7V, V_OUT = 3V (Note 1)
—
V_R ≥ 4.5V, V_OUT = 5V (Note 1)
∆V_OUT
Load Regulation
—
45
90
mV 1mA ≤ I_OUT ≤ 80mA, V_OUT = 3V
—
40
80
1mA ≤ I_OUT ≤ 80mA, V_OUT = 5V
V_IN - V_OUT Dropout Voltage
—
200
395
mV I_OUT = 80mA, V_OUT = 3V
—
380
770
I_OUT = 160mA, V_OUT = 3V
—
165
330
I_OUT = 100mA, V_OUT = 5V
—
330
660
I_OUT = 200mA, V_OUT = 5V (Note 2)
I_DD
Supply Current
—
11
19
µA V_SHDN = V_IN = 4V
—
13
21
V_SHDN = V_IN = 6V
I_SHDN
Shutdown Supply Current
—
—
0.1
µA V_SHDN = GND
∆V_OUT/∆V_IN Line Regulation
—
0.2
0.3
%/V I_OUT = 40mA, 4V ≤ V_IN ≤ 10V
∆V_OUT/∆T V_OUT Temperature Coefficient
—
±100
—
ppm/°C I_OUT = 10mA, -40°C < T_J < +85°C
V_IH
SHDN Input High Logic Threshold 1.5
—
—
V
V_IL
SHDN Input Low Logic Threshold
—
—
0.25
V
I_IH
SHDN Input Current @V_IH
—
—
5.0
µA V_SHDN = V_IN
I_IL
SHDN Input Current @V_IL
-0.2
-0.05
0
µA V_SHDN = GND
Note 1: V_R is the regulator output voltage setting.
2: Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value measured at a
1V differential.
DS21436B-page 2
 2002 Microchip Technology Inc.