參數(shù)資料
型號(hào): TPS2848PWPR
廠商: Texas Instruments, Inc.
元件分類: MOSFETs
英文描述: 30V N-Channel PowerTrench MOSFET
中文描述: 30V的N溝道的PowerTrench MOSFET的
文件頁(yè)數(shù): 15/20頁(yè)
文件大?。?/td> 283K
代理商: TPS2848PWPR
VDRV
ADJ
R2
R1
SLVS367A
MARCH 2001
REVISED JUNE 2001
15
www.ti.com
TYPICAL CHARACTERISTICS
Figure 20
VDRV LINE REGULATION
VCC
Supply Voltage
V
8.055
8.056
8.06
8.061
8.062
8.057
8.058
8.059
10
13
11
12
15
14
CL(VDRV) = 1
μ
F
TJ = 25
°
C
V
Figure 21
VDRV LOAD REGULATION
II
Input Current
mA
8.085
8.09
8.11
8.115
8.095
8.1
8.105
10
50
10
30
90
70
110
150
130
CL(VDRV) = 1
μ
F
TJ = 25
°
C
V
APPLICATION INFORMATION
Figure 22 shows the circuit schematic of a 100-kHz synchronous-buck converter implemented with a TL5001ACD
pulse-width-modulation (PWM) controller and a TPS2838 driver. The converter operates over an input range from
4.5 V to 12 V and has a 3.3-V output. The circuit can supply 3-A continuous load. The converter achieves an efficiency
of 94% for V
IN
= 5 V, I
L
=1 A, and 93% for V
IN
= 5 V, I
L
= 3 A.
R1
(k
)
R2
(k
)
VDRV
Voltage
(V)
30
67
4
30
91
5
30
165
8
30
261
12
30
322
14.5
To set the regulator voltage (TPS2838/39) use the following equation:
R
2
R
1
1.235
VDRV
R
1
相關(guān)PDF資料
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TPS2849PWPR 30V N-Channel PowerTrench MOSFET
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