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TLV74312PDQNR データシート(PDF) 5 Page - Texas Instruments

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部品番号 TLV74312PDQNR
部品情報  300-mA, Low-Dropout Regulator
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
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TLV74312PDQNR データシート(HTML) 5 Page - Texas Instruments

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5
TLV743P
www.ti.com
SBVS310B – JULY 2017 – REVISED MARCH 2018
Product Folder Links: TLV743P
Submit Documentation Feedback
Copyright © 2017–2018, Texas Instruments Incorporated
(1)
Dropout voltage for the TLV743P is not valid at room temperature. The device engages undervoltage lockout (VIN < UVLOFALL) before
the dropout condition is met.
6.5 Electrical Characteristics
at operating temperature range (TJ = –40°C to +125°C), VIN = VOUT(nom) + 0.5 V or 2 V (whichever is greater), IOUT = 1 mA,
VEN = VIN, and CIN = COUT = 1 µF (unless otherwise noted). All typical values at TJ = 25°C.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIN
Input voltage
1.4
5.5
V
DC output accuracy
TJ = 25°C
–1%
1%
–40°C
≤ TJ ≤ 125°C
–1.4%
1.4%
UVLO
Undervoltage
lockout
VIN rising
1.3
1.4
V
VIN falling
1.25
ΔVO(ΔVI)
Line regulation
ΔVI = VIN(nom) to VIN(nom) + 1
1
mV
ΔVO(ΔIO)
Load regulation
ΔIO = 1 mA to 300 mA
DBV package
16
mV
25
VDO
Dropout voltage(1)
VOUT = 0.98 × VOUT(nom)
IOUT = 300 mA
VOUT = 1.1 V
–40°C
≤ TJ ≤ 85°C
480
mV
1.2 V
≤ VOUT < 1.5 V
–40°C
≤ TJ ≤ 85°C
420
1.5 V
≤ VOUT < 1.8 V
–40°C
≤ TJ ≤ 85°C
370
1.8 V
≤ VOUT < 2.5 V
–40°C
≤ TJ ≤ 85°C
270
2.5 V
≤ VOUT < 3.3 V
–40°C
≤ TJ ≤ 85°C
260
VOUT = 3.3 V
–40°C
≤ TJ ≤ 85°C
125
220
1.2 V
≤ VOUT < 1.5 V
–40°C
≤ TJ ≤ 125°C
450
1.5 V
≤ VOUT < 1.8 V
–40°C
≤ TJ ≤ 125°C
400
1.8 V
≤ VOUT < 2.5 V
–40°C
≤ TJ ≤ 125°C
300
2.5 V
≤ VOUT < 3.3 V
–40°C
≤ TJ ≤ 125°C
290
VOUT = 3.3 V
–40°C
≤ TJ ≤ 125°C
125
270
IGND
Ground pin current
IOUT = 0 mA
34
60
µA
ISHDN
Shutdown current
VEN ≤ 0.35 V
2 V
≤ VIN ≤ 5.5 V
TJ = 25°C
0.1
1
µA
PSRR
Power-supply
rejection ratio
VOUT = 1.8 V
IOUT = 300 mA
f = 100 Hz
68
dB
f = 10 kHz
35
f = 100 kHz
28
Vn
Output noise voltage
Bandwidth = 10 Hz to 100 kHz
VOUT = 1.8 V
IOUT = 10 mA
120
µVRMS
VEN(HI)
EN pin high voltage
(enabled)
0.9
0.63
V
VEN(LO)
EN pin low voltage
(disabled)
0.52
0.35
V
IEN
EN pin current
VEN = 5.5 V
0.01
µA


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