參數(shù)資料
型號: TPS77050DBV
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(wěn)壓器
文件頁數(shù): 10/16頁
文件大?。?/td> 230K
代理商: TPS77050DBV
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
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 17
1
0
25
50
100
IO – Output Current – mA
E
10
TPS77033
TYPICAL REGIONS OF STABILITY
EQUIVALENT SERIES RESISTANCE (ESR)
vs
OUTPUT CURRENT
VIN = 4.3 V
CO = 4.7
μ
F
ESR = 0.3
3.3 V LDO
5
10
15
20
30
35
40
45
Region of Instability
Region of Stability
0.1
Figure 18
0
0.1
0.2
Added Ceramic Capacitance –
μ
F
0.3
0.4
0.5
0.6
0.7 0.8
0.9
1
1
100
E
10
Region of Instability
Region of Stability
VIN = 4.3 V
CO = 4.7
μ
F
IL = 50 mA
TPS77033
TYPICAL REGIONS OF STABILITY
EQUIVALENT SERIES RESISTANCE (ESR)
vs
ADDED CERAMIC CAPACITANCE
Figure 19
IO – Output Current – mA
1
0
25
50
100
E
10
TPS77033
TYPICAL REGIONS OF STABILITY
EQUIVALENT SERIES RESISTANCE (ESR)
vs
OUTPUT CURRENT
VIN = 4.3 V
CO = 10
μ
F
ESR = 0.3
3.3 V LDO
5
10
15
20
30
35
40
45
Region of Stability
Region of Instability
Figure 20
Added Ceramic Capacitance –
μ
F
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7 0.8
0.9
1
1
100
E
10
Region of Instability
Region of Stability
VIN = 4.3 V
CO = 10
μ
F
IL = 50 mA
TPS77033
TYPICAL REGIONS OF STABILITY
EQUIVALENT SERIES RESISTANCE (ESR)
vs
ADDED CERAMIC CAPACITANCE
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