參數(shù)資料
型號(hào): TPS54286PWPG4
廠商: TEXAS INSTRUMENTS INC
元件分類(lèi): 穩(wěn)壓器
英文描述: 3.6 A DUAL SWITCHING CONTROLLER, 750 kHz SWITCHING FREQ-MAX, PDSO14
封裝: GREEN, PLASTIC, HTSSOP-14
文件頁(yè)數(shù): 3/52頁(yè)
文件大?。?/td> 1110K
代理商: TPS54286PWPG4
www.ti.com
BLOCK DIAGRAM
7
FB1
+
Soft Start
1
C
COMP
+
S
Q
R
+
Current
Comparator
BP
f(I
DRAIN1
) + DC(ofst)
2
1
3
Anti-Cross
Conduction
1.2 MHz
Oscilator
Divide
by 2/4
Ramp
Gen 1
Ramp
Gen 2
CLK1
CLK2
BP
CLK1
Weak
Pull-Down
MOSFET
5
EN1
6
EN2
6 mA
VDD2
Internal
Control
10
SEQ
150 kW
Output
Undervoltage
Detect
BP
FB1
FB2
CLK1
4
GND
8
FB2
+
Soft Start
2
C
COMP
+
S
Q
R
+
Current
Comparator
BP
13
14
12
Anti-Cross
Conduction
BP
CLK2
Weak
Pull-Down
MOSFET
11
BP
9
ILIM2
150 kW
BP
CLK2
4
GND
Level
Select
5.25-V
Regulator
References
BOOT1
PVDD1
SW1
BOOT2
PVDD2
SW2
f(I
DRAIN2
) + DC(ofst)
0.8 V
REF
I
MAX2
(Set to one of two limits)
f(I
DRAIN1
)
f(I
MAX1
)
Overcurrent Comp
f(I
SLOPE1
)
Level
Shift
Level
Shift
f(I
DRAIN2
)
f(I
MAX2
)
f(I
SLOPE2
)
FET
Switch
TSD
PVDD2
f(I
SLOPE1
)
f(I
SLOPE2
)
SD1
SD2
UVLO
0.8 V
REF
SD2
0.8 V
REF
SD1
UDG-07007
Overcurrent Comp
R
COMP
R
COMP
SLUS749C – JULY 2007 – REVISED OCTOBER 2007
Copyright 2007, Texas Instruments Incorporated
11
Product Folder Link(s): TPS54283 TPS54286
相關(guān)PDF資料
PDF描述
TPS54283PWPR 3.6 A DUAL SWITCHING CONTROLLER, 375 kHz SWITCHING FREQ-MAX, PDSO14
TPS54286PWPRG4 3.6 A DUAL SWITCHING CONTROLLER, 750 kHz SWITCHING FREQ-MAX, PDSO14
TPS54290PWP 4.6 A DUAL SWITCHING CONTROLLER, 360 kHz SWITCHING FREQ-MAX, PDSO16
TPS54291PWPR 4.6 A DUAL SWITCHING CONTROLLER, 720 kHz SWITCHING FREQ-MAX, PDSO16
TPS5430DDAR 6 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8
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