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TPS745-Q1 датащи(PDF) 5 Page - Texas Instruments

номер детали TPS745-Q1
подробное описание детали  TPS745-Q1 500-mA LDO With Power-Good in Small Wettable Flank WSON Packages
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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TPS745-Q1 датащи(HTML) 5 Page - Texas Instruments

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TPS745-Q1
www.ti.com
SBVS355A – JUNE 2019 – REVISED OCTOBER 2019
Product Folder Links: TPS745-Q1
Submit Documentation Feedback
Copyright © 2019, Texas Instruments Incorporated
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report.
(2)
Preview package.
6.4 Thermal Information
THERMAL METRIC(1)
TPS745-Q1
UNIT
DRV (WSON)
DRB (WSON)(2)
6 PINS
8 PINS
RθJA
Junction-to-ambient thermal resistance
80.3
62.0
°C/W
RθJC(top)
Junction-to-case (top) thermal resistance
98.7
73.1
°C/W
RθJB
Junction-to-board thermal resistance
44.8
35.1
°C/W
ψJT
Junction-to-top characterization parameter
6.1
6.3
°C/W
ψJB
Junction-to-board characterization parameter
45.0
35.1
°C/W
RθJC(bot)
Junction-to-case (bottom) thermal resistance
20.8
18.2
°C/W
(1)
When the device is connected to external feedback resistors at the FB pin, external resistor tolerances are not included.
(2)
VIN = 1.5 V for VOUT < 1.0 V.
(3)
Dropout is not tested for nominal output voltages below 0.65 V since the input voltage may be below UVLO.
6.5 Electrical Characteristics
at operating temperature range (TJ = –40°C to +150°C), VIN = VOUT(NOM) + 0.5 V or 1.5 V (whichever is greater), IOUT = 1 mA,
VEN = VIN, and CIN = COUT = 1 μF, unless otherwise noted. All typical values are at TJ = 25°C.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VFB
Feedback voltage
Adjustable only
0.55
V
Output accuracy(1)
TJ = 25°C
–0.85%
0.85%
-40°C
≤ TJ ≤ 85°C
–1.00%
1.00%
-40°C
≤ TJ ≤ 150°C
–1.50%
1.50%
Line regulation
VOUT(NOM) + 0.5 V
(2) ≤ V
IN ≤ 6.0 V
2
7.5
mV
Load regulation
0.1 mA
≤ IOUT ≤ 500 mA, VIN ≥ 2.0 V
0.030
V/A
IGND
Ground current
IOUT = 0 mA
TJ = 25°C
25
32
µA
-40°C
≤ TJ ≤ 150°C
25
36
ISHDN
Shutdown current
VEN ≤ 0.3 V,
1.5 V
≤ VIN ≤ 6.0 V
-40°C
≤ TJ ≤ 125°C
0.1
1
µA
-40°C
≤ TJ ≤ 150°C
0.1
1.55
IFB
Feedback Pin Current
Adjustable only
0.01
0.1
µA
ICL
Output current limit
VOUT(NOM) < 1.0 V,
VOUT = VOUT(NOM) - 0.2 V, VIN = 2.0 V
515
720
865
mA
VOUT(NOM) ≥ 1.0 V,
VOUT = VOUT(NOM) x 0.85, VIN = VOUT(NOM) + 1.0 V
ISC
Short-circuit current limit
VOUT = 0 V
VOUT(NOM) < 1.0 V,
VIN = 2.0 V
350
400
mA
VOUT(NOM) ≥ 1.0 V,
VIN = VOUT(NOM) + 1.0 V
VDO
Dropout voltage
IOUT = 500 mA,
VOUT = 0.95 ×
VOUT(NOM)
0.65 V
≤ VOUT < 0.8 V
(3)
720
910
mV
0.8 V
≤ VOUT < 1.0 V
585
780
1.0 V
≤ VOUT < 1.2 V
420
600
1.2 V
≤ VOUT < 1.5 V
285
430
1.5 V
≤ VOUT < 1.8 V
180
265
1.8 V
≤ VOUT < 2.5 V
140
215
2.5 V
≤ VOUT < 3.3 V
105
170
3.3 V
≤ VOUT < 5.5 V
95
160
PSRR
Power-supply rejection ratio
VOUT = 1.8 V,
VIN = 2.8 V,
IOUT = 500 mA,
COUT = 2.2 µF
f = 1 kHz
57
dB
f = 100 kHz
42
f = 1 MHz
35
VN
Output noise voltage
BW = 10 Hz to 100 kHz, VOUT = 0.9 V, VIN = 1.9 V
53
µVRMS
VUVLO
Undervoltage lockout
VIN falling
1.17
1.30
1.42
V
VIN rising
1.21
1.34
1.47


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производительномер деталидатащиподробное описание детали
logo
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