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參數資料
| 型號： | TPS79285 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 200mA Low Quiescent Current, Ultra-Low Noise, High PSRR, Low Dropout Linear Regulator |
| 中文描述： | 200mA低靜態電流，超低噪聲，高PSRR，低壓差線性穩壓 |
| 文件頁數： | 5/18頁 |
| 文件大小： | 377K |
| 代理商： | TPS79285 |
www.ti.com
DEVICE INFORMATION
FUNCTIONAL BLOCK DIAGRAMS
Thermal
Shutdown
UVLO
Current
Limit
2
μ
A
Overshoot
Detect
500k
Quickstart
1.193V
Bandgap
IN
EN
NR
OUT
GND
400
Thermal
Shutdown
UVLO
Current
Limit
3.3M
Overshoot
Detect
500k
1.193V
Bandgap
IN
EN
FB
OUT
GND
400
TPS79901, TPS79915, TPS79916, TPS79918
TPS79925, TPS79927, TPS79928, TPS799285
TPS79929, TPS79930, TPS79932, TPS79933
SBVS056C–JANUARY 2005–REVISED MAY 2005
Figure 1. Fixed Voltage Versions
Figure 2. Adjustable Voltage Versions
Table 1. PIN DESCRIPTIONS
TPS799xx
DDC
1
2
DESCRIPTION
NAME
IN
GND
YZU
C3
B2
Input supply.
Ground
Driving the enable pin (EN) high turns on the regulator. Driving this pin low puts the regulator into
shutdown mode. EN can be connected to IN if not used.
Fixed voltage versions only; connecting an external capacitor to this pin bypasses noise generated
by the internal bandgap. This allows output noise to be reduced to very low levels.
Adjustable version only; this is the input to the control loop error amplifier, and is used to set the
output voltage of the device.
Output of the regulator. A small capacitor (total typical capacitance
≥
2.0
μ
F ceramic) is needed from
this pin to ground to assure stability.
EN
3
A1
NR
4
A3
FB
4
A3
OUT
5
C1
5
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS79301DBVR | 功能描述:低壓差穩壓器 - LDO 200mA Adj Hi 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 負載調節:0.3 % 輸出端數量: 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 |
| TPS79301DBVR | 制造商:Texas Instruments 功能描述:Linear Voltage Regulator IC |
| TPS79301DBVREP | 功能描述:低壓差穩壓器 - LDO Mil Enh Ultra Lo Noise Hi PSRR 200mA 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 負載調節:0.3 % 輸出端數量: 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 |
| TPS79301DBVRG4 | 功能描述:低壓差穩壓器 - LDO High PSRR Fast RF High-Enable 200mA 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 負載調節:0.3 % 輸出端數量: 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 |
| TPS79301DBVRG4Q1 | 功能描述:低壓差穩壓器 - LDO Sgl Output LDO 200mA Adj. 1.2 to 5.5V 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 負載調節:0.3 % 輸出端數量: 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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