參數(shù)資料
型號: LTC1929IG-PG
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 3 A DUAL SWITCHING CONTROLLER, 310 kHz SWITCHING FREQ-MAX, PDSO28
封裝: 0.209 INCH, PLASTIC, SSOP-28
文件頁數(shù): 21/28頁
文件大小: 310K
代理商: LTC1929IG-PG
28
LTC1929/LTC1929-PG
Linear
Technology
Corporation1
630
McCarthy
Blvd.,
Milpitas,
CA
95035-
7
4
1
7
(408)
432-1900
l
FAX:
(408)
434-05179
l
www.linear-tech.com
7
L
INE
AR
T
E
CHN
O
L
O
G
Y
CO
RP
O
R
A
T
IO
N
1
999
1929f
LT/TP
0510
4K
PRINTED
IN
USA
TYPICALAPPLICATIOU
RELA
TED
PARTS
PART
NUMBER
DESCRIPTION
COMMENTSLTC1438/LTC1439Dual
High
Efficiency
Low
Noise
Synchronous
Step-Down
Switching
Regulators POR,
Auxiliary
Regulator
LTC1438-ADJ
Dual Synchronous Controller with Auxiliary Regulator
POR, External Feedback Divider
LTC1538-AUX
Dual
High
Efficiency
Low
Noise
Synchronous
Step-Down
Switching
Regulator
Auxiliary
Regulator,
5V
Standby
LTC1539
Dual
High
Efficiency
Low
Noise
Synchronous
Step-Down
Switching
Regulator
5V
Standby,
POR,
Low-Battery,
Aux
Regulator
LTC1435/LTC1435A
High
Efficiency
Synchronous
Step-Down
Switching
Regulator
Burst
Mode
TM
Operation,
16-Pin
Narrow
SO
LTC1436A-PLL
High
Efficiency
Low
Noise
Synchronous
Step-Down
Switching
Regulator
Adaptive
PowerTM
Mode,
21-Pin
SSOP
LTC1628/LTC1628-PGDual
High
Efficiency,
2-Phase
Synchronous
Step-Down
Switching
Regulator
Constant
Frequency,
Standby,
5V
and
933V
LDOs
LTC1629/LTC1629-PGPolyPhase
High
Efficiency
Controller
Expandable
Up
to
12
Phases,
G-28,
Up
to
120A
LTC1702/LTC1703Dual
High
Efficiency,
2-Phase
Synchronous
Step-Down
Switching
Regulator
510kHz,
25MHz
GBW
LTC1735
High
Efficiency
Synchronous
Step-Down
Controller
Burst
Mode
Operation,
16-Pin
Narrow
SSOP,
Fault
Protection,
935V
V
IN
36V
LTC1736
High
Efficiency
Synchronous
Step-Down
Controller
with
5-Bit
VID
Output
Fault
Protection,
Power
Good,
GN-24,
935V
V
IN
36V,
0.8V
V
OUT
6V
Adaptive
Power
and
Burst
Mode
are
trademarks
of
Linear
Technology
Corporation.
Figure
13.
2V/20A
CPU
Power
Supply
with
Active
Voltage
Positioning
1
2
9
4
5
6
7
8
910
11
12
19
14
28
27
26
25
24
29
22
21
20
19
18
17
16
15
RUN/SS
SENSE1+
SENSE1
EAIN
PLLFLTR
PLLIN
NC
I
TH
SGND
V
DIFFOUT
V
OS
V
OS
+
SENSE2
SENSE2
+NCTG1SW1
BOOST1
V
IN
BG1
EXTV
CCINTV
CC
PGND
BG2
BOOST2
SW2
TG2
PGOOD
1000pF
0.22
F
LTC1929-PG
M1 M2
D1
MBRS140T3D2
MBRS140T3V
IN
5V
TO
28V
V
OUT
2V
20A
SWITCHING
FREQUENCY
=
200kHz
C
IN:
5A
RIPPLE
CURRENT
RATING
REQUIRED
C
OUT
:
4
×
280
F/4V
PANASONIC
SP
L1
TO
L2:
1.5
H
SUMIDA
CEP125-1R5MC
M1
TO
M4:
FAIRCHILD
FDS7760A
10 F0.1F
5V(OPT)
1000pF100pF3.3nF
INTVCC
470pF
0.1
F
47k
15k10k
15k
10k
2.7k
51k
0222
F
PGOOD
100k
10
C
IN47
F35V
0.004
02004
M3L2
M4
1929F13
COUT
+
+L1
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