TC2054 Microchip Technology, TC2054 Datasheet - Page 2
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TC2054
Manufacturer Part Number
TC2054
Description
50mA / 100mA / and 150mA CMOS LDOs with Shutdown and Error Output
Manufacturer
Microchip Technology
Datasheet
1.TC2054.pdf
(16 pages)
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TC2054/2055/2186
1.0
ABSOLUTE MAXIMUM RATINGS*
Input Voltage .........................................................6.5V
Output Voltage................................(-0.3) to (V
Operating Temperature .................. -40°C < T
Storage Temperature.......................... -65°C to +150°C
Maximum Voltage on Any Pin ........ V
TC2054/2055/2186 ELECTRICAL SPECIFICATIONS
DS21663B-page 2
Electrical Characteristics: V
type specifications apply for junction temperature of -40°C to +125°C.
V
I
V
TCV
∆V
∆V
∆V
V
V
I
I
PSRR
I
∆V
eN
t
Note
OUT MAX
IN
INSD
OUT SC
R
IN
OUT
OUT
IN
Symbol
OUT
IN
OUT
OUT
– V
OUT
/
/
∆P
OUT
1:
2:
3:
4:
5:
6:
7:
8:
9:
D
ELECTRICAL
CHARACTERISTICS
The minimum V
V
TCV
Regulation is measured at a constant junction temperature using low duty cycle pulse testing. Load regulation is tested over a
load range from 1.0mA to the maximum specified output current. Changes in output voltage due to heating effects are covered
by the thermal regulation specification.
Dropout voltage is defined as the input to output differential at which the output voltage drops 2% below its nominal value at a 1V
differential.
Thermal Regulation is defined as the change in output voltage at a time T after a change in power dissipation is applied, exclud-
ing load or line regulation effects. Specifications are for a current pulse equal to I
The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction temperature
and the thermal resistance from junction-to-air (i.e. T
Hysteresis voltage is referenced by V
Time required for V
R
Input Operating Voltage
Maximum Output Current
Output Voltage
V
Coefficient
Line Regulation
Load Regulation
Dropout Voltage, Note 5
Supply Current
Shutdown Supply Current
Power Supply Rejection Ratio
Output Short Circuit Current
Thermal Regulation
Output Noise
Response Time
(from Shutdown Mode)
OUT
is the regulator output voltage setting. For example: V
OUT
Temperature
=
Parameter
(
-----------------------------------------------------------------------------------------
V OU TMAX V OUTMIN
IN
has to meet two conditions: V
OUT
IN
= V
V
to reach 95% of V
OUT
–
R
+ 1V, I
×
∆T
IN
V
+0.3V to -0.3V
L
R
= 100µA, C
Min
-1.5
-2.5
R
100
150
160
2.7
- 2.0%
) 10
50
—
—
—
—
—
—
—
—
—
—
—
—
—
.
×
J
R
IN
< 125°C
6
(output voltage setting), after V
+ 0.3)
V
R
IN
L
0.05
0.05
0.04
Typ
140
300
600
= 3.3µF, SHDN > V
± 0.4%
0.5
0.5
= 2.7V and V
20
40
45
90
55
50
60
—
—
—
—
2
A
, T
J
R
, θ
= 1.8V, 2.7V, 2.8V, 2.85V, 3.0V, 3.3V.
JA
V
).
R
*Stresses above those listed under “Absolute Maxi-
mum 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 my
affect device reliability.
Max
+ 2.0%
140
210
6.0
0.5
0.5
0.5
0.5
IN
—
—
—
—
—
—
70
80
—
—
—
—
—
= V
R
IH
+ V
, T
ppm/°C Note 3
Units
SHDN
µsec
V/W
nV /
√Hz
DROPOUT
mA
mV
mA
µA
µA
dB
A
%
%
V
V
= 25°C, unless otherwise noted. BOLDFACE
MAX
is switched from 0 to V
Note 1
TC2054
TC2055
TC2186
Note 2
(V
TC2054;TC2055 I
TC2186
Note 4
TC2015; TC2185
TC2185
Note 5
SHDN = V
SHDN = 0V
F
V
Note 6
I
V
C
I
L
L
.
RE
OUT
IN
IN
at V
= I
R
= 0.1mA, Note 9
= 4V
+ 1V) < V
= 1µF, C
≤ 120kHz
OUT MAX
IN
= 0V
= 6V for T = 10msec.
©
IH
2002 Microchip Technology Inc.
, I
, F = 10kHz
OUT
Test Conditions
IN
L
=0
< 6V
= 10µF
I
L
L
IN
= 0.1mA to I
= 0.1mA to I
I
I
I
I
.
L
L
L
L
= 100µA
= 50mA
= 100mA
= 150mA
OUT MAX
OUT MAX