參數(shù)資料
型號: TLE4254EJS
廠商: INFINEON TECHNOLOGIES AG
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: GREEN, PLASTIC, MS-012BA, SOP-8
文件頁數(shù): 21/21頁
文件大?。?/td> 451K
代理商: TLE4254EJS
Data Sheet
9
Rev. 1.2, 2009-11-18
TLE4254
Electrical Characteristics
5.1.6
Power Supply Ripple
Rejection
PSRR
60
dB
f
ripple = 100 Hz;
V
ripple = 1 Vpp
I
Q = 5 mA
C
Q = 10 F, ceramic type
1)
5.1.7
Dropout Voltage
V
dr = VI - VQ
V
dr
200
400
mV
I
Q = 70 mA
2)
5.1.8
Output Current Limitation
I
Q,max
71
100
150
mA
V
Q = (VADJ/EN - 0.1 V);
V
ADJ/EN = 5 V
5.1.9
Reverse Current
I
Q
-4
-2
mA
V
I = 0 V;
V
Q = 32 V;
V
ADJ/EN = 5 V
5.1.10 Reverse Current
at Negative Input Voltage
I
I
-5
-3
mA
V
I = -16 V;
V
Q = 0 V;
V
ADJ/EN = 5 V
Feedback Input FB (version GA / EJ A only):
5.1.11 Feedback Input Biasing
Current
I
FB
–0.1
0.5
A
V
FB = 5 V
Overtemperature Protection:
5.1.12 Junction Temperature
Equilibrium
T
j,eq
151
200
°C
T
j increasing due to power
dissipation generated
by the IC 1)
1) Parameter not subject to production test; specified by design.
2) Measured when the output voltage
VQ has dropped 100 mV from its nominal value.
Table 1
Electrical Characteristics Tracking Regulator
V
I = 13.5 V; VADJ/EN ≥ 2.0 V; VFB = VQ (version GA / EJ A); -40 °C ≤ Tj ≤ 150 °C; CQ = 1 F;
all voltages with respect to ground (unless otherwise specified).
Pos.
Parameter
Symbol
Limit Values
Unit
Test Condition
Min.
Typ.
Max.
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