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參數資料
型號： TPS7148QPWR
廠商： Texas Instruments, Inc.
元件分類： 基準電壓源/電流源
英文描述： LOW-DROPOUT VOLTAGE REGULATORS
中文描述： 低壓差電壓調節器
文件頁數： 9/33頁
文件大小： 541K
代理商： TPS7148QPWR
TPS7101Q, TPS7133Q, TPS7148Q, TPS7150Q
TPS7101Y, TPS7133Y, TPS7148Y, TPS7150Y
LOW-DROPOUT VOLTAGE REGULATORS
SLVS092F – NOVEMBER 1994 – REVISED JANUARY 1997
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TPS7148 electrical characteristics at I
O
= 10 mA, V
I
= 5.85 V, EN = 0 V, C
O
= 4.7
μ
F/CSR
= 1
, SENSE
shorted to OUT (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TJ
TPS7148Q
MIN
UNIT
TYP
4.85
MAX
Output voltage
VI = 5.85 V,
5.85 V
≤
VI
≤
10 V,
IO = 10 mA
5 mA
≤
IO
≤
500 mA
25
°
C
V
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
25
°
C
25
°
C
25
°
C
25
°
C
4.75
4.95
IO= 10 mA
IO = 10 mA,
VI= 4 75 V
VI = 4.75 V
2.9
6
8
Dropout voltage
IO= 100 mA
IO = 100 mA,
VI= 4 75 V
VI = 4.75 V
30
37
mV
54
IO= 500 mA
IO = 500 mA,
VI= 4 75 V
VI = 4.75 V
150
180
250
Pass element series resistance
Pass-element series resistance
(4.75 V – VO)O,
IO = 500 mA
VI = 4.75 V,
0.32
0.35
0.52
Input regulation
VI= 5 85 V to 10 V
VI = 5.85 V to 10 V,
μ
≤
50
A
IO
≤
500 mA
27
mV
37
IO= 5 mA to 500 mA
IO = 5 mA to 500 mA,
5 85 V
≤
5.85 V
VI
≤
10 V
12
42
mV
Output regulation
80
IO= 50
μ
IO = 50
A to 500 mA,
5 85 V
≤
5.85 V
VI
≤
10 V
42
60
mV
130
IO= 50
μ
IO = 50
A
42
53
Ripple rejection
f = 120 Hz
39
dB
IO= 500 mA
IO = 500 mA
39
50
35
Output noise-spectral density
f = 120 Hz
2
μ
V/
√
Hz
≤
≤
10 Hz
f
100 kHz,
CSR= 1
CO = 4.7
μ
F
CO = 10
μ
F
CO = 100
μ
F
410
Output noise voltage
328
μ
Vrms
CSR = 1
212
PG trip-threshold voltage
VO voltage decreasing from above VPG
–40
°
C to 125
°
C
4.5
4.7
V
PG hysteresis voltage
25
°
C
50
mV
PG output low voltage
IPG= 1 2 mA
IPG = 1.2 mA,
VI= 4 12 V
VI = 4.12 V
25
°
C
0.2
0.4
V
–40
°
C to 125
°
C
0.4
CSR refers to the total series resistance, including the ESR of the capacitor, any series resistance added externally, and PWB trace resistance
to CO.
Pulse-testing techniques are used to maintain virtual junction temperature as close as possible to ambient temperature; thermal effects must
be taken into account separately.
相關PDF資料
PDF描述
TPS7148Y LOW-DROPOUT VOLTAGE REGULATORS
TPS7150Q LOW-DROPOUT VOLTAGE REGULATORS
TPS7150QPW LOW-DROPOUT VOLTAGE REGULATORS
TPS7150QPWR LOW-DROPOUT VOLTAGE REGULATORS
TPS7150Y LOW-DROPOUT VOLTAGE REGULATORS
相關代理商/技術參數
參數描述
TPS7148QPWRG4 功能描述:低壓差穩壓器 - LDO Lowest Dropout PMOS RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS7148Y 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW-DROPOUT VOLTAGE REGULATORS
TPS7148YD 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW-DROPOUT VOLTAGE REGULATORS
TPS7148YP 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW-DROPOUT VOLTAGE REGULATORS
TPS7148YPW 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW-DROPOUT VOLTAGE REGULATORS
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