參數(shù)資料
型號(hào): TPS65251RHAT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PQCC40
封裝: 6 X 6 MM, GREEN, PLASTIC, VQFN-40
文件頁(yè)數(shù): 12/31頁(yè)
文件大?。?/td> 1827K
代理商: TPS65251RHAT
TPS65251
GND
VIN
LX3
VIN
LX3
GND
BST3
VIN3
EN3
F
B
1
S
1
S
Y
N
C
M
P
1
R
O
S
C
R
L
IM
1
C
M
P
3
R
L
IM
3
F
B
3
S
3
LX2
BST2
LX1
VIN2
LX2
EN2
VIN1
EN1
LX1
BST1
C
M
P
2
G
N
D
F
B
2
L
O
W
_
P
S
2
V
7
V
A
G
N
D
P
G
O
D
V
3
V
V1
VIN1
VIN
V3
VIN3
VIN
VIN2
R
L
IM
2
V2
F
B
3
FB3
F
B
1
FB1
FB2
F
B
2
OSC
EN3
12V DC Supply
from enable logic
INTERNAL
VOLTAGE RAILS
V3V
V7V
Vout BUCK1
LX1
FB1
COMP1
BST1
BUCK1
Vout BUCK2
LX2
FB2
COMP2
BST2
BUCK2
Vout BUCK3
LX3
FB3
COMP3
BST3
BUCK3
EN2
from enable logic
EN1
from enable logic
SS2
SS1
SS3
VIN1
VIN2
VIN3
Rlim1
ROSC
AGND
PG
Generator
PGOOD
SYNC
Rlim2
Rlim3
PFM mode
LOW_P
VIN
GND
SLVSAA4B – JUNE 2010 – REVISED JANUARY 2011
www.ti.com
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more
susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.
FUNCTIONAL BLOCK DIAGRAM
2
Copyright 2010–2011, Texas Instruments Incorporated
Product Folder Link(s): TPS65251
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