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參數(shù)資料
| 型號(hào)： | LFC789D25CPW |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | DUAL LINEAR FET CONTROLLER |
| 中文描述： | 雙線場(chǎng)效應(yīng)管控制器 |
| 文件頁(yè)數(shù)： | 3/11頁(yè) |
| 文件大?。?/td> | 218K |
| 代理商： | LFC789D25CPW |
SLLS565B MARCH 2003 REVISED SEPTEMBER 2004
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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
C3
22
μ
F
C1
100
μ
F
VCC (12V)
C5
0.1
μ
F
C2
100
μ
F
R1 = R2 = 100
(0.1% matched resistors)
VREF
VDDQ
C4
0.1
μ
F
Figure 1. Typical Application Circuit for DDR1 Memory Voltage (V
DDQ
) and V
REF
Buffer for DIMMs
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
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
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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| LFC789D25CPWR | 功能描述:低壓差控制器 - LDO Dual Linear FET Controller RoHS:否 制造商:Micrel 最大輸入電壓:5.5 V 輸出電壓:Adjustable 輸出電流:10 mA 負(fù)載調(diào)節(jié): 輸出類(lèi)型:Adjustable, Fixed 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-6 |
| LFC789D25CPWRE4 | 功能描述:低壓差控制器 - LDO Dual Linear FET Controller RoHS:否 制造商:Micrel 最大輸入電壓:5.5 V 輸出電壓:Adjustable 輸出電流:10 mA 負(fù)載調(diào)節(jié): 輸出類(lèi)型:Adjustable, Fixed 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-6 |
| LFC789D25CPWRG4 | 功能描述:低壓差控制器 - LDO Dual Lin FET Cntrlr RoHS:否 制造商:Micrel 最大輸入電壓:5.5 V 輸出電壓:Adjustable 輸出電流:10 mA 負(fù)載調(diào)節(jié): 輸出類(lèi)型:Adjustable, Fixed 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-6 |
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