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參數資料
| 型號： | LFC789D25CPWRE4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 模擬信號調理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封裝： | GREEN, PLASTIC, TSSOP-8 |
| 文件頁數： | 10/15頁 |
| 文件大?。?/td> | 422K |
| 代理商： | LFC789D25CPWRE4 |
LFC789D25
DUAL LINEAR FET CONTROLLER
SLLS565B MARCH 2003 REVISED SEPTEMBER 2004
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, VCC = 12 V ± 5%, TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
TA
MIN
TYP
MAX
UNIT
I
VADJ sense-pin current
20
nA
Sense
I
SEN_V
ADJ
VADJ sense-pin current
Full range
500
nA
Sense
I
V25 sense-pin current
V25 = 2.5 V
125
A
I
SEN_V
25
V25 sense-pin current
V25 = 2.5 V
Full range
500
A
VDRV
Driver output voltage
IDRV = 0
VCC
1.5
V
Driver
VDRV
Driver output voltage
IDRV = 0
Full range
VCC 3
V
Driver
IDRV
Driver output current
VDRV = 4 V,
10
mA
IDRV
Driver output current
VDRV = 4 V,
VSEN = 0.8 VOUT (nom)
Full range
5
mA
Reference
I
Pin current, VREF
20
250
nA
Reference
I
V
REF
Pin current, VREF
Full range
500
nA
V25 output voltage
IOUT = 1 mA to 3 A,
2.5
Output regulation
V25 output voltage
regulation
IOUT = 1 mA to 3 A,
VPWR = 3 .3 V ± 10%
Full range
2.45
2.5
2.55
Output regulation
(see Figure 1)
VADJ output voltage
IOUT = 1 mA to 2 A,
VREF
V
(see Figure 1)
VADJ output voltage
regulation
IOUT = 1 mA to 2 A,
VPWR = 3.3 V ±10%,
VREF = V25/2
Full range
0.98
×
VREF
1.02
×
VREF
V
Supply
ICC
Supply current
2
mA
Supply
ICC
Supply current
Full range
2.5
mA
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