參數(shù)資料
型號(hào): LFC789D25-ADJ
英文描述: Dual Linear FET Controller
中文描述: 雙直線場(chǎng)效應(yīng)管控制器
文件頁數(shù): 3/10頁
文件大小: 145K
代理商: LFC789D25-ADJ
LFC789D25-ADJ
DUAL LINEAR FET CONTROLLER
SLLS565
MARCH 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
typical application circuit
DRV_VADJ
SEN_VADJ
VREF
GND
VCC
DRV_V25
SEN_V25
8
7
6
VPWR (3.3V)
4
3
2
1
R1
R2
1.25 V
2.5 V
LFC789D25-ADJ
C3
22
μ
F
C1
100
μ
F
C4
100
μ
F
C5
100
μ
F
C6
22
μ
F
VCC (12V)
C7
0.1
μ
F
C2
100
μ
F
R1 = R2 = 100
(0.1% matched resistors)
Figure 1.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
CC
(see Note 1)
Input voltage range, V
REF
, SEN_V
ADJ
, SEN_V
25
Package thermal impedance,
θ
JA
(see Notes 2 and 3): D package
18 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
PW package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.3 V to 18 V
97
°
C/W
149
°
C/W
. . . . . . . . . . . . . . . . . . . . . . . . .
Operating virtual junction temperature, T
J
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
Storage temperature range, T
stg
Stresses beyond those listed under
absolute maximum ratings
may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under
recommended operating conditions
is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. All voltage values are with respect to the network ground terminal.
2. Maximum power dissipation is a function of TJ(max),
θ
JA, and TA. The maximum allowable power dissipation at any allowable
ambient temperature is PD = (TJ(max)
TA)/
θ
JA. Operating at the absolute maximum TJ of 150
°
C can impact reliability.
3. The package thermal impedance is calculated in accordance with JESD 51-7.
150
°
C
260
°
C
65
°
C to 150
°
C
recommended operating conditions
MIN
MAX
UNIT
VCC
TA
Supply voltage
9
16
V
°
C
Operating free-air temperature
0
70
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