參數(shù)資料
型號: TPS54331DG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 2 A SWITCHING REGULATOR, 684 kHz SWITCHING FREQ-MAX, PDSO8
封裝: GREEN, PLASTIC, MS-012AA, SOIC-8
文件頁數(shù): 23/27頁
文件大?。?/td> 794K
代理商: TPS54331DG4
Error
Amplifier
RQ
S
Boot
Charge
Boot
UVLO
Current
Sense
Oscillator
Frequency
Shift
Gate
Drive
Logic
Slope
Compensation
PWM
Latch
PWM
Comparator
ECO-MODE
MinimumClamp
Maximum
Clamp
Voltage
Reference
Discharge
Logic
VSENSE
COMP
PH
BOOT
VIN
GND
Thermal
Shutdown
EN
Enable
Comparator
Shutdown
Logic
Shutdown
Enable
Threshold
S
1.25V
0.8V
80mW
165 C
2.1V
12 A/V
SS
Shutdown
VSENSE
1 A
m
3 A
m
gm=92 A/V
DCgain=800V/V
BW=2.7MHz
m
2kW
2 A
m
60
65
70
75
80
85
90
95
100
105
110
-50
-25
0
25
50
75
100
125
150
T -JunctionTemperature-°C
J
Rdson-OnResistance-m
W
VIN=12V
0
1
2
3
4
3
8
13
18
23
28
V -InputVoltage-V
I
Isd-ShutdownCurrent-
A
m
EN=0V
T =150°C
J
T =25°C
J
T =-40°C
J
550
555
560
565
570
575
580
585
590
-50
-25
0
25
50
75
100
125
150
fsw-OscillatorFrequency-kHz
T -JunctionTemperature-°C
J
VIN=12V
www.ti.com
SLVS839C – JULY 2008 – REVISED MARCH 2010
FUNCTIONAL BLOCK DIAGRAM
TYPICAL CHARACTERISTICS
CHARACTERIZATION CURVES
ON RESISTANCE
SHUTDOWN QUIESCENT CURRENT
SWITCHING FREQUENCY
vs
JUNCTION TEMPERATURE
INPUT VOLTAGE
JUNCTION TEMPERATURE
Figure 1.
Figure 2.
Figure 3.
Copyright 2008–2010, Texas Instruments Incorporated
5
Product Folder Link(s): TPS54331
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