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)： 27/36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
27
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 27
0.1
0.01
0
50
100
150
200
250
TYPICAL REGIONS OF STABILITY
COMPENSATION SERIES RESISTANCE (CSR)
vs
OUTPUT CURRENT
100
Region of Instability
10
IO – Output Current – mA
C
Region of Instability
1
TA = 25
°
C
VI = VO + 1 V
CO = 4.7
μ
F
No Added Ceramic Capacitance
No Input Capacitance Added
Figure 28
0.1
0.01
0
0.1
0.2
Added Ceramic Capacitance –
μ
F
0.3
0.4
0.5
TYPICAL REGIONS OF STABILITY
COMPENSATION SERIES RESISTANCE (CSR)
vs
ADDED CERAMIC CAPACITANCE
100
TA = 25
°
C
VI = VO + 1 V
IO = 250 mA
CO = 4.7
μ
F
No Input Capacitor Added
10
0.6
0.7 0.8
0.9
1
1
Region of Instability
Region of
Instability
C
Figure 29
0.1
0.01
0
50
100
150
200
250
TYPICAL REGIONS OF STABILITY
COMPENSATION SERIES RESISTANCE (CSR)
vs
OUTPUT CURRENT
100
Region of Instability
10
IO – Output Current – mA
1
TA = 25
°
C
VI = VO + 1 V
CO = 10
μ
F
No Added Ceramic Capacitance
No Input Capacitor Added
Region of Instability
C
Figure 30
0.1
0.01
0
0.1
0.2
Added Ceramic Capacitance –
μ
F
0.3
0.4
0.5
TYPICAL REGIONS OF STABILITY
COMPENSATION SERIES RESISTANCE (CSR)
vs
ADDED CERAMIC CAPACITANCE
100
TA = 25
°
C
VI = VO + 1 V
IO = 250 mA
CO = 10
μ
F
No Input Capacitor Added
10
1
0.6
0.7 0.8
0.9
1
Region of Instability
Region of
Instability
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.
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
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
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
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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