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参数资料
| 型号： | TLE4251G |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PSSO5 |
| 封装： | GREEN, PLASTIC, TO-263, 5 PIN |
| 文件页数： | 10/13页 |
| 文件大小： | 360K |
| 代理商： | TLE4251G |
Data Sheet
6
Rev. 2.9, 2007-03-20
TLE 4251
Table 4
Electrical Characteristics
V
I = 13.5 V; 2.5 V ≤ VADJ ≤ VI - 0.5 V; -40 °C < Tj < 150 °C; unless otherwise specified
Parameter
Symbol
Limit Values
Unit
Test Condition
Min.
Typ.
Max.
Output
Output voltage tracking
accuracy
ΔV
Q = VADJ - VQ
ΔV
Q
-10
–
10
mV
V
I < 13.5 V;
-40
°C < T
j < 125 °C;
1 mA <
I
Q < 300 mA
Output voltage tracking
accuracy
ΔV
Q
-10
–
10
mV
6 V <
V
I < 40 V;
5 mA <
I
Q < 200 mA
Output voltage tracking
accuracy
ΔV
Q
-25
–
25
mV
6 V <
V
I < 28 V;
1 mA <
I
Q < 300 mA
Drop voltage
V
dr
–
280
520
mV
I
Q = 300 mA;
V
ADJ > 4 V;
Enable ON
1)
Output current
I
Q
400
450
800
mA
T
j ≤ 125 °C
Output capacitor
C
Q
22
–
μFESR ≤ 3 Ω at 10 kHz
Current consumption
I
q = II - IQ
I
q
–10
20
mA
I
Q = 300 mA
Current consumption
I
q = II - IQ
I
q
–
230
300
μA
I
Q < 1 mA; Tj < 85 °C;
V
EN in ON state
Quiescent current
(stand-by)
I
q = II - IQ
I
q
–02
μA
V
EN = 0 V; Tj < 85 °C
Regulator Performance
Load regulation
ΔV
Q
-35
±535mV
5 mA <
I
Q < 300 mA;
V
I = 6 V; VADJ = 5 V
Line regulation
ΔV
Q
-25
±10
25
mV
12 V <
V
I < 32 V;
I
Q = 5 mA
Power Supply Ripple
Rejection
PSRR
60
–
dB
f
r = 100 Hz;
V
r = 0.5 Vpp;
V
ADJ = 5 V;
C
Q = 22 μF Tantalum
Adjust Input
Input biasing current
I
ADJ
–0.1
0.5
μA
V
ADJ = 5 V
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