參數(shù)資料
型號: TPS7201Q
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(微功耗,低壓差PMOS穩(wěn)壓器,輸出電壓可調(diào),工作溫度-55~150℃)
中文描述: 低壓差穩(wěn)壓器(微功耗,低壓差PMOS管穩(wěn)壓器,輸出電壓可調(diào),工作溫度-55?150℃)
文件頁數(shù): 25/32頁
文件大?。?/td> 826K
代理商: TPS7201Q
TPS7201Q, TPS7233Q, TPS7248Q, TPS7250Q
TPS7201Y, TPS7233Y, TPS7248Y, TPS7250Y
MICROPOWER LOW-DROPOUT (LDO) VOLTAGE REGULATORS
SLVS102D – MARCH 1995 – REVISED DECEMBER 1995
25
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
C1
0.1
μ
F
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
250 k
Figure 33. 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 34 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 29 and 30)
provided the ESR of the capacitor does not exceed 1
at room temperature and 2
over the full operating
temperature range.
相關(guān)PDF資料
PDF描述
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TPS7301Q(中文) Low-Dropout Voltage Regulators With Integuated Delayed Reset Function(帶集成延遲復位功能的低壓差穩(wěn)壓器)
TPS7325Q(中文) Low-Dropout Voltage Regulators With Integuated Delayed Reset Function(帶集成延遲復位功能的低壓差2.5V穩(wěn)壓器)
TPS7330Q(中文) Low-Dropout Voltage Regulators With Integuated Delayed Reset Function(帶集成延遲復位功能的低壓差3.0V穩(wěn)壓器)
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TPS7201QDR 功能描述:低壓差穩(wěn)壓器 - LDO Micropower 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
TPS7201QDRG4 功能描述:低壓差穩(wěn)壓器 - LDO Micropower 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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