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參數(shù)資料
型號： TPS7101Q
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(diào)節(jié)器
文件頁數(shù)： 7/33頁
文件大小： 541K
代理商： TPS7101Q
TPS7101Q, TPS7133Q, TPS7148Q, TPS7150Q
TPS7101Y, TPS7133Y, TPS7148Y, TPS7150Y
LOW-DROPOUT VOLTAGE REGULATORS
SLVS092F – NOVEMBER 1994 – REVISED JANUARY 1997
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TPS7101 electrical characteristics at I
O
= 10 mA, V
I
= 3.5 V, EN = 0 V, C
O
= 4.7
μ
F/CSR
= 1
, FB
shorted to OUT at device leads (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TJ
TPS7101Q
MIN
1.178
UNIT
TYP
MAX
Reference voltage (measured at FB
with OUT connected to FB)
VI = 3.5 V,
2.5 V
≤
VI
≤
10 V,
See Note 1
IO = 10 mA
5 mA
≤
IO
≤
500 mA,
25
°
C
V
–40
°
C to 125
°
C
1.143
1.213
V
Reference voltage temperature
coefficient
–40
°
C to 125
°
C
61
75
ppm/
°
C
VI= 2 4 V
VI = 2.4 V,
μ
≤
50
A
IO
≤
150 mA
25
°
C
0.7
1
–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
–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
1
VI= 2 4 V
VI = 2.4 V,
150 mA
≤
IO
≤
500
mA
0.83
1.3
Pass-element series resistance
(see Note 2)
1.3
VI= 2 9 V
VI = 2.9 V,
μ
≤
50
A
IO
≤
500 mA
0.52
0.85
0.85
VI = 3.9 V,
VI = 5.9 V,
VI = 2.5 V to 10 V,
See Note 1
50
μ
A
≤
IO
≤
500 mA
50
μ
A
≤
IO
≤
500 mA
50
A
≤
IO
≤
500 mA,
μ
0.32
0.23
Input regulation
18
mV
25
IO = 5 mA to 500 mA,
See Note 1
2.5 V
≤
VI
≤
10 V,
14
mV
Output regulation
25
IO = 50
A to 500 mA,
μ
See Note 1
2.5 V
≤
VI
≤
10 V,
22
mV
54
IO= 50
μ
IO = 50
A
48
59
Ripple rejection
f = 120 Hz
44
dB
IO = 500 mA,
See Note 1
45
54
44
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
95
Output noise voltage
89
μ
Vrms
CSR = 1
74
PG trip-threshold voltage§
VFB voltage decreasing from above VPG
–40
°
C to 125
°
C
1.101
1.145
V
PG hysteresis voltage§
Measured at VFB
25
°
C
12
mV
PG output low voltage§
IPG= 400
μ
IPG = 400
A,
VI= 2 13 V
VI = 2.13 V
25
°
C
0.1
0.4
V
–40
°
C to 125
°
C
25
°
C
–40
°
C to 125
°
C
0.4
FB input current
–10
–20
0.1
10
20
nA
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.
§Output voltage programmed to 2.5 V with closed-loop configuration (see application information).
NOTES:
1. When VI < 2.9 V and IO > 150 mA simultaneously, pass element rDS(on) increases (see Figure 27) to a point such that the resulting
dropout voltage prevents the regulator from maintaining the specified tolerance range.
2. To calculate dropout voltage, use equation:
VDO = IO
rDS(on)
rDS(on) is a function of both output current and input voltage. The parametric table lists rDS(on) for VI = 2.4 V, 2.9 V, 3.9 V, and
5.9 V, which corresponds to dropout conditions for programmed output voltages of 2.5 V, 3 V, 4 V, and 6 V, respectively. For other
programmed values, refer to Figure 26.
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TPS7101Q_08 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW-DROPOUT VOLTAGE REGULATORS
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TPS7101QDG4 功能描述:低壓差穩(wěn)壓器 - LDO LDO PMOS Adjustable 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(diào)節(jié):0.3 % 輸出端數(shù)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
TPS7101QDR 功能描述:低壓差穩(wěn)壓器 - LDO LDO PMOS Adjustable 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(diào)節(jié):0.3 % 輸出端數(shù)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
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