参数资料
型号: TPS51727RHATG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PQCC40
封装: 6 X 6 MM, GREEN, PLASTIC, QFN-40
文件页数: 2/42页
文件大小: 0K
代理商: TPS51727RHATG4
FUNCTIONAL BLOCK DIAGRAM
2
5
4
VREF
CSN1
CSP1
TPS51727
8
9
GFB
VFB
DROOP
ISLEW
TONSEL
1
37
39
30
40
26
25
28
29
PGND
V5IN
DRVH1
LL1
VBST1
DRVL1
V5FILT
UDG-08004
16
17
18
19
20
VID0
VID4
VID3
VID2
VID1
27
6
7
CSN2
CSP2
21
23
22
DRVH2
LL2
VBST2
DRVL2
24
+
DAC
+
V
FB
E/A
Differential Amplifier
DAC
+
PWM
+
S
+
I AMP
Current
Sensing
Circuitry
On-Time
Generator
CLK
MUX
De-MUX
CO
ADDR
LL1
LL2
Smart
Driver
Smart
Driver
IS1
IS2
ILIM
ISHARE
CMP
LL
ADDR
VFB
+
CO1
CO2
31
P
G
O
D
32
S
L
P
34
E
N
P
C
N
T
13
Control Logic and Status
Circuitry
38
O
S
R
S
E
L
T
R
IP
S
E
L
P
M
O
N
10
T
H
R
M
36
35
T
H
A
L
11
3
G
N
D
Analog and Protection
Circuitry
IS1
IS2
DACS 14
SLUS806B – APRIL 2008 – REVISED JANUARY 2009 ..................................................................................................................................................... www.ti.com
Figure 1. TPS51727 Functional Block Diagram
10
Copyright 2008–2009, Texas Instruments Incorporated
Product Folder Link(s): TPS51727
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