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參數資料
| 型號： | TPS77028DBV |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | ULTRA LOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS |
| 中文描述： | 超低功耗50 mA的低壓降線性穩壓器 |
| 文件頁數： | 5/16頁 |
| 文件大小： | 230K |
| 代理商： | TPS77028DBV |
TPS77001, TPS77012, TPS77015, TPS77018, TPS77025
TPS77027, TPS77028, TPS77030, TPS77033, TPS77050
ULTRA LOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS
SLVS210C – JUNE 1999 – REVISED SEPTEMBER 1999
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free–air temperature range, V
I
= V
O(typ)
+
1 V, I
O
= 50 mA, EN = 0V, C
O
= 4.7
μ
F (unless otherwise noted) (continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
μ
A
V
FB input current
FB = 1.224 V (TPS77001)
–1
1
High level enable input voltage
2.7 V < VI < 10 V
2.7 V < VI < 10 V
f = 1 kHz,
TJ = 25
°
C,
EN = 0 V
1.7
Low level enable input voltage
0.9
V
Power supply ripple rejection
CO = 10
μ
F,
See Note 4
60
dB
Input current (EN)
–1
0
1
μ
A
μ
A
EN = VI
IO = 50 mA,
IO = 50 mA
IO = 50 mA,
IO = 50 mA
IO = 50 mA,
IO = 50 mA
IO = 50 mA,
IO = 50 mA
–1
1
TPS77028
TJ = 25
°
C
TJ = –40
°
C to 125
°
C
TJ = 25
°
C
TJ = –40
°
C to 125
°
C
TJ = 25
°
C
TJ = –40
°
C to 125
°
C
TJ = 25
°
C
TJ = –40
°
C to 125
°
C
60
125
TPS77030
57
Dropout voltage
(See Note 6)
115
mV
TPS77033
48
100
TPS77050
35
85
NOTES:
4. Minimum IN operating voltage is 2.7 V or VO (typ) + 1 V, whichever is greater. Maximum IN voltage 10 V, minimum output current
10
μ
A, maximum output current 50 mA.
6. IN voltage equals VO(Typ) –100mV; TPS77001 output voltage set to 3.3 V nominal with external resistor divider. TPS77012,
TPS77015, TPS77018, TPS77025, and TPS77027 dropout voltage limited by input voltage range limitations.
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
1, 2, 3
VO
Output voltage
vs Output current
vs Free-air temperature
4, 5, 6
Ground current
vs Free-air temperature
7
Output spectral noise density
vs Frequency
8
Zo
VDO
Output impedance
vs Frequency
9
Dropout voltage
vs Free-air temperature
10
Ripple rejection
vs Frequency
11
LDO startup time
12
Line transient response
13, 15
Load transient response
14, 16
Equivalent series resistance (ESR)
vs Output current
17, 19
vs Added ceramic capacitance
18, 20
相關PDF資料 |
PDF描述 |
|---|---|
| TPS77025DBV | ULTRA LOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS |
| TPS77027DBV | ULTRA LOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS |
| TPS77001DBV | ULTRA LOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS |
| TPS77012DBV | ULTRA LOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS |
| TPS77015DBV | ULTRA LOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS77028DBVR | 功能描述:低壓差穩壓器 - LDO 2.8V 50mA LDO 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 |
| TPS77028DBVRG4 | 功能描述:低壓差穩壓器 - LDO Ultra Low-Power 50-mA LDO 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 |
| TPS77028DBVT | 功能描述:低壓差穩壓器 - LDO 2.8V 50mA LDO 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 |
| TPS77028DBVTG4 | 功能描述:低壓差穩壓器 - LDO Ultra Low-Power 50-mA LDO 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 |
| TPS77030DBVR | 功能描述:低壓差穩壓器 - LDO 3.0V 50mA LDO 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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