參數(shù)資料
型號: TPS75215
英文描述: Fast-Transient-Response 2-A LDO Voltage Regulator
中文描述: 快速瞬態(tài)響應(yīng)2甲LDO穩(wěn)壓器
文件頁數(shù): 14/27頁
文件大小: 398K
代理商: TPS75215
TPS75101-Q1,
75115-Q1,
75118-Q1,
75125-Q1,
75133-Q1 WITH POWER GOOD
TPS75301-Q1, TPS75315-Q1, TPS75318-Q1, TPS75325-Q1, TPS75333-Q1 WITH RESET
FAST-TRANSIENT-RESPONSE 1.5-A LOW-DROPOUT VOLTAGE REGULATORS
SGLS159
APRIL 2003
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
IN
EN
OUT
+
GND
CO
ESR
RL
VI
To Load
Figure 18. Test Circuit for Typical Regions of Stability (Figures 19 and 20) (Fixed Output Options)
Figure 19
0.01
0
0.5
1
1.5
TYPICAL REGION OF STABILITY
EQUIVALENT SERIES RESISTANCE
vs
OUTPUT CURRENT
10
IO
Output Current
A
E
1
Region of Instability
0.1
Region of Stability
Vo = 3.3 V
Co = 100
μ
F
VI = 4.3 V
TJ = 25
°
C
0.05
Figure 20
0.01
0
0.5
1
1.5
TYPICAL REGION OF STABILITY
EQUIVALENT SERIES RESISTANCE
vs
OUTPUT CURRENT
10
IO
Output Current
A
E
1
Region of Instability
0.1
Region of Stability
Vo = 3.3 V
Co = 47
μ
F
VI = 4.3 V
TJ = 25
°
C
Equivalent series resistance (ESR) refers to the total series resistance, including the ESR of the capacitor, any series resistance added externally,
and PWB trace resistance to Co.
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