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參數(shù)資料
| 型號(hào)： | TPS7233QPW |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS |
| 中文描述： | 微功率低壓差（LDO）穩(wěn)壓器 |
| 文件頁數(shù)： | 27/37頁 |
| 文件大?。?/td> | 581K |
| 代理商： | TPS7233QPW |
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TPS7201Q, TPS7225Q, TPS7230Q
TPS7233Q, TPS7248Q, TPS7250Q, TPS72xxY
MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS
SLVS102G – MARCH 1995 – REVISED JUNE 2000
27
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
C1
0.1
μ
F
NOTE A: TPS7225, TPS7230, TPS7233, TPS7248, TPS7250
(fixed-voltage options).
SENSE
PG
OUT
OUT
6
5
4
IN
IN
EN
GND
3
2
1
7
8
VI
PG
CSR = 1
VO
10
μ
F
+
TPS72xx
(see Note A)
250 k
Figure 31. Typical Application Circuit
external capacitor requirements
Although not required, a 0.047-
μ
F to 0.1-
μ
F ceramic bypass input capacitor, connected between IN and GND
and located close to the TPS72xx, is recommended to improve transient response and noise rejection. A
higher-value electrolytic input capacitor may be necessary if large, fast-rise-time load transients are anticipated
and the device is located several inches from the power source.
An output capacitor is required to stabilize the internal feedback loop. For most applications, a 10-
μ
F to 15-
μ
F
solid-tantalum capacitor with a 0.5-
resistor (see capacitor selection table) in series is sufficient. The maximum
capacitor ESR should be limited to 1.3
to allow for ESR doubling at cold temperatures. Figure 32 shows the
transient response of a 5-mA to 85-mA load using a 10-
μ
F output capacitor with a total ESR of 1.7
.
A 4.7-
μ
F solid-tantalum capacitor in series with a 1-
resistor may also be used (see Figures 27 and 28)
provided the ESR of the capacitor does not exceed 1
at room temperature and 2
over the full operating
temperature range.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPS7233QPWG4 | 功能描述:低壓差穩(wěn)壓器 - LDO LDO PMOS Voltage 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(dòng)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 |
| TPS7233QPWR | 功能描述:低壓差穩(wěn)壓器 - LDO LDO PMOS Voltage 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(dòng)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 |
| TPS7233QPWRG4 | 功能描述:低壓差穩(wěn)壓器 - LDO LDO PMOS Voltage 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(dòng)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 |
| TPS7248QD | 功能描述:低壓差穩(wěn)壓器 - LDO LDO PMOS Voltage 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(dòng)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 |
| TPS7248QDG4 | 功能描述:低壓差穩(wěn)壓器 - LDO LDO PMOS Voltage 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(dòng)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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