參數(shù)資料
型號： TPS7228Q
廠商： Texas Instruments, Inc.
英文描述： Micropower Low-Dropout (LDO) Voltage Regulators(微功耗低壓差2.8V電壓穩(wěn)壓器)
中文描述： 微功率低壓差（LDO）穩(wěn)壓器（微功耗低壓差2.8V的電壓穩(wěn)壓器）
文件頁數(shù)： 11/36頁
文件大?。?/td> 623K
代理商： TPS7228Q
TPS7201Q, TPS7225Q, TPS7228Q, TPS7230Q
TPS7233Q, TPS7248Q, TPS7250Q, TPS72xxY
MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS
SLVS102F – MARCH 1995 – REVISED NOVEMBER 1998
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TPS7233Q electrical characteristics, I
O
= 10 mA, V
I
= 4.3 V, EN = 0 V, C
O
= 4.7
μ
F (CSR
= 1
), SENSE
shorted to OUT (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TJ
TPS7233Q
TYP
3.3
UNIT
MIN
MAX
Output voltage
VI = 4.3 V,
4.3 V
≤
VI
≤
10 V,
IO = 10 mA
5 mA
≤
IO
≤
250 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
3.23
3.37
IO= 10 mA
IO = 10 mA,
VI= 3 23 V
VI = 3.23 V
14
20
30
Dropout voltage
IO= 100 mA
IO = 100 mA,
VI= 3 23 V
VI = 3.23 V
140
180
mV
232
IO= 250 mA
IO = 250 mA,
VI= 3 23 V
VI = 3.23 V
360
460
610
Pass element series resistance
Pass-element series resistance
(3.23 V – VO)O,
IO = 250 mA
VI = 3.23 V,
1.5
1.84
2.5
Input regulation
VI= 4 3 V to 10 V
VI = 4.3 V to 10 V,
μ
≤
50
A
IO
≤
250 mA
8
25
mV
33
IO= 5 mA to 250 mA
IO = 5 mA to 250 mA,
4 3 V
≤
4.3 V
VI
≤
10 V
32
42
Output regulation
71
mV
IO= 50
μ
IO = 50
A to 250 mA,
4 3 V
≤
4.3 V
VI
≤
10 V
41
55
98
IO= 50
μ
IO = 50
A
40
52
Ripple rejection
f = 120 Hz
38
dB
IO= 250 mA
IO = 250 mA
35
44
33
Output noise spectral density
f = 120 Hz
2
μ
V/
√
Hz
≤
≤
10 Hz
f
100 kHz,
CSR= 1
CSR = 1
CO = 4.7
μ
F
CO = 10
μ
F
CO = 100
μ
F
25
°
C
25
°
C
265
Output noise voltage
212
μ
Vrms
25
°
C
135
PG trip-threshold voltage
VO voltage decreasing from above VPG
–40
°
C to 125
°
C
0.95
×
VO(nom)
32
V
PG hysteresis voltage
25
°
C
25
°
C
mV
PG output low voltage
IPG= 1 2 mA
IPG = 1.2 mA,
VI= 2 8 V
VI = 2.8 V
0.22
0.4
0.4
V
–40
°
C to 125
°
C
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(guān)PDF資料
PDF描述
TPS7230Q Micropower Low-Dropout (LDO) Voltage Regulators(微功耗低壓差3.0V電壓穩(wěn)壓器)
TPS7225Q Micropower Low-Dropout (LDO) Voltage Regulators(微功耗低壓差2.5V電壓穩(wěn)壓器)
TPS7225Y MICROPOWER LOW-DROPOUT LDO VOLTAGE REGULATORS
TPS7228Y MICROPOWER LOW-DROPOUT LDO VOLTAGE REGULATORS
TPS7230Y MICROPOWER LOW-DROPOUT LDO VOLTAGE REGULATORS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS72301DBVR 功能描述:低壓差穩(wěn)壓器 - LDO 200mA Low Noise High-PSRR 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(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS72301DBVRG4 功能描述:低壓差穩(wěn)壓器 - LDO 200mA Low Noise High-PSRR 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(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS72301DBVT 功能描述:低壓差穩(wěn)壓器 - LDO 200mA Low Noise High-PSRR 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(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
TPS72301DBVT 制造商:Texas Instruments 功能描述:LINEAR VOLTAGE REGULATOR IC 制造商:Texas Instruments 功能描述:IC, ADJ LDO REG, -1.2V TO -10V, 5-SOT-23
TPS72301DBVTG4 功能描述:低壓差穩(wěn)壓器 - LDO 200mA Low Noise High-PSRR 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(fù)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
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