CHT-LDOS-025 ETC1 [List of Unclassifed Manufacturers], CHT-LDOS-025 Datasheet

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CHT-LDOS-025

Manufacturer Part Number
CHT-LDOS-025
Description
High-Temperature, 2.5V; 3.3V; 5V; 5.5V; 9V; 10V; 12V; 13V or 15V, 1A, Low-Dropout SOI-CMOS Voltage Regulator for symmetrical voltage applications.
Manufacturer
ETC1 [List of Unclassifed Manufacturers]
Datasheet
CHT-LDOS
General Description
The CHT-LDOS is a 1A, low-dropout linear
voltage regulator compatible with high-
temperature
operation temperature range extends from
-30° C to 225° C.
The circuit is stable throughout the whole
temperature range and under a large
choice of capacitive loads.
The minimum dropout voltage (V
2V with a 1A load current at 225°C and 1V
for load currents lower than 400mA. The
dropout voltage can span from 1 Volts to
20 Volts
The circuit is a one-die solution.
CHT-LDOS
packages (currently TO-3 and TO-254) on
demand.
Related documents:
Applications
Power
electronic systems used in Well logging,
Automotive, Aeronautics or Aerospace
applications.
Typical application
2.5V; 3.3V; 5V; 5.5V; 9V; 10V; 12V; 13V or 15V,
1A, Low-Dropout SOI-CMOS Voltage Regulator
AN-06016:
CISSOID regulator depending on your
application”
AN-06002: “Voltage regulator short-
circuit
potential startup problem”.
CISSOID
(1)
supplies
.
protection
is
for symmetrical voltage applications.
environments.
available
for
“Selecting
and
high-temperature
The SOI design Specialists
in
High-Temperature,
associated
die
in
V
V
-V
Typical
correct
NOM
NOM
out
and
) is
+2V
+2V
C
C
in
in
Features
Available voltages:
V
V
1V to 20V dropout Voltage @400mA
2V to 20V dropout Voltage @1A
Max 1A output current @ 225° C
60dB input ripple rejection (0-100Hz)
C
ESR range
Available on die or in custom package
on demand. (3-pins compatible)
Stand-by mode available. (4-pins)
Tungsten interconnects for long-term
reliability
The start-up is operative over the
whole temperature range
Latch-up free
in
in
load
CHT-LDOS
CHT-LDOS
CHT-LDO
CHT-LDO
CHT-LDOS-025:
CHT-LDOS-033:
CHT-LDOS-050:
CHT-LDOS-055 :
CHT-LDOS-090 :
CHT-LDOS-100 :
CHT-LDOS-120:
CHT-LDOS-130:
CHT-LDOS-150:
GND
GND
from 100nF to 1000µF, large
V
V
out
out
Preliminary datasheet
Version 1.0 (05/2006)
10.0V
12.0V
13.0V
15.0V
V
V
2.5V
3.3V
5.0V
5.5V
9.0V
C
C
NOM
NOM
out
out
(1)
(1)

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CHT-LDOS-025 Summary of contents

Page 1

... Stand-by mode available. (4-pins) • Tungsten interconnects for long-term reliability • The start-up is operative over the and whole temperature range • Latch-up free Available voltages: • CHT-LDOS-025: • CHT-LDOS-033: • CHT-LDOS-050: • CHT-LDOS-055 : • CHT-LDOS-090 : • CHT-LDOS-100 : • CHT-LDOS-120: • ...

Page 2

... Above 225° minimum load current of few mA could be required. j (3) Max Power dissipation depends on packaging. CHT-LDOS in TO-3 or TO-254 packages presents a “junction-to- case” thermal resistance of maximum 5°C/W (Rth). (4) ppm are defined as [d(Vout)/d(T)]/Vout. For 5V mode, 40ppm corresponds to 200µV/°C. ...

Page 3

... CHT-LDOS - Output Load, recommended specifications CHT-LDOS CHT-LDOS Resistances in series with capacitors represent the internal ESR of these capacitors. For large capacitors 1000µ 0.2 to ∞ Ω For medium capacitors 6µ Ω Start-up conditions The start-up is operative over the whole temperature range. ...

Page 4

... T(°C) 14.9 -50 50 250 Figure 4: V vs. T° (2V dropout, 3 samples) out Should be very similar to CHT-LDO datasheet V ( Figure 6: Input ripple rejection Should be very similar to CHT-LDO datasheet V ( Figure 8: S (V²/Hz) @25°C, I Vout 150° C 100° C 25° ...

Page 5

... Figure 9: Typical max load current over T° vs. dropout AC rejection, noise and maximum load current vs. dropout measurements have not been performed yet on CHT-LDOS family. However, based on simulation results, measurements result should be very similar to those presented in our CHT-LDO family datasheet. Available packaging and pinout. TO-3: (Bottom View) Bottom View Contact & ...

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