TC1055 MICROCHIP [Microchip Technology], TC1055 Datasheet - Page 4
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TC1055
Manufacturer Part Number
TC1055
Description
50mA, 100mA and 150mA CMOS LDOs with Shutdown and ERROR Output
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.TC1055.pdf
(18 pages)
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TC1054/TC1055/TC1186
TC1054/TC1055/TC1186 ELECTRICAL SPECIFICATION
DS21350B-page 4
Electrical Characteristics: V
type specifications apply for junction temperatures of -40°C to +125°C.
SHDN Input
V
V
ERROR Output
V
V
V
V
Note
IH
IL
IN
OL
TH
HYS
Symbol
MIN
1:
2:
3:
4:
5:
6:
7:
8:
V
TC V
Regulation is measured at a constant junction temperature using low duty cycle pulse testing. Load regulation is tested over a load range
from 0.1mA 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.
Thermal Regulation is defined as the change in output voltage at a time T after a change in power dissipation is applied, excluding 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
thermal shutdown. Please see Section 4.0 Thermal Considerations for more details.
Hysteresis voltage is referenced by V
The minimum V
R
is the regulator output voltage setting. For example: V
SHDN Input High Threshold
SHDN Input Low Threshold
Minimum V
O
ERROR Threshold Voltage
ERROR Positive Hysteresis
OUT
utput Logic Low Voltage
= (V
OUT
IN
IN
MAX
has to justify the conditions: V
V
Parameter
O
OUT
IN
– V
perating Voltage
= V
x ∆T
OUT
OUT
MIN
)x 10
+ 1V, I
6
R
.
L
= 100µA, C
A
, T
J
IN
, θ
≥ V
JA
Min
1.0
45
). Exceeding the maximum allowable power dissipation causes the device to initiate
—
—
—
—
R
L
+ V
R
= 3.3µF, SHDN > V
= 1.8V, 2.5V, 2.7V, 2.85V, 3.0V, 3.3V, 3.6V, 4.0V, 5.0V.
DROPOUT
0.95 x V
Typ
50
—
—
—
—
L
and V
S (CONTINUED)
MAX
R
at V
IN
≥ 2.7V for I
IN
IH
Max
= 6V for T = 10 msec.
400
15
, T
—
—
—
—
A
= 25°C, unless otherwise noted. Boldface
L
= 0.1mA to I
Units
%V
%V
mV
mV
V
V
IN
IN
©
2002 Microchip Technology Inc.
OUT
V
V
1 mA Flows to ERROR
See Figure 3-2
Note 7
IN
IN
MAX
= 2.5V to 6.5V
= 2.5V to 6.5V
.
Test Conditions