參數(shù)資料
型號： TPS65167RHAT
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 4.9 A SWITCHING REGULATOR, 900 kHz SWITCHING FREQ-MAX, PQCC40
封裝： 6 X 6 MM, GREEN, PLASTIC, MO-220VJJD-2, QFN-40
文件頁數(shù)： 37/41頁
文件大?。?/td> 1270K
代理商： TPS65167RHAT
www.ti.com
6
7
8
9
10
25
24
23
22
21
11
12
13
14
15
16
35
36
37
38
39
40
PGND
VLOGIC
FBB
REGOUT
REF
F
B
N
S
U
P
N
D
R
V
N
G
N
D
C
1
P
C
1
N
GDLY
CTRL
DRN
VGH
POUT
B
A
S
E
F
B
L
D
O
A
V
IN
G
N
D
G
D
S
W
18
19
20
C
2
P
C
2
N
S
U
P
F
B
P
30
29
28
27
26
COMP
FB
RHVS
HVS
EN
1
2
3
4
5
VINB
BOOT
SWB
PGND
31
32
33
S
W
P
G
N
D
P
G
N
D
T
E
M
P
17
34
Exposed
ThermalDie
(SeeNOTE)
SLVS760C – APRIL 2007 – REVISED MARCH 2008
ELECTRICAL CHARACTERISTICS (continued)
AVIN=VINB=SUPN=12V, EN=REGOUT, Vs = 15V, Vlogic = 3.3V , Vaux = 1.8V, TA = –40°C to 85°C, typical values are at
TA = 25°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V(POUT)
Positive charge pump output voltage
TPS65167, HVS = high
29
30
31
V
RHVS pull down resistance
TPS65167A, TPS65167, HVS = high, I(HVS) = 100 A
450
650
850
Ilkg
RHVS leakage current
TPS65167A, TPS65167, HVS = low, V(RHVS) = 5 V
100
nA
NOTE: The thermally enhance PowerPAD is connected to GND.
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
NO.
VINB
1
I
Power input for the buck converter.
This pin generates the gate drive voltage for the Buck converter. Connect a 100 nF from this pin to the
BOOT
2
I
switch pin of the step-down converter SWB.
SWB
3, 4
O
Switch pin of the step-down converter
PGND
5
Power ground for the step-down converter
PGND
6
Power ground for the negative charge pump
VLOGIC
7
I
Output sense of the step-down converter
FBB
8
I
Feedback pin of the step-down converter
REGOUT
9
O
Output of the internal 5V regulator. Connect a 4.7
F bypass capacitor to this pin.
REF
10
O
Internal reference output typically 1.213 V. Connect a 100 nF bypass capacitor to this pin.
FBN
11
I
Feedback pin of negative charge pump
SUPN
12
I
Power supply pin for the negative charge pump driver.
Copyright 2007–2008, Texas Instruments Incorporated
5
Product Folder Link(s): TPS65167 TPS65167A
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