參數(shù)資料
型號: LTC1957-2EMS
英文描述: AMP POWER CONTROLLER
中文描述: 安培電源控制器
文件頁數(shù): 28/28頁
文件大?。?/td> 389K
代理商: LTC1957-2EMS
LTC1929/LTC1929-PG
Linear Technology Corporation
G
G
LINEAR TECHNOLOGY CORPORATION 1999
1929f LT/TP 0500 4K PRINTED IN USA
TYPICAL APPLICATIO
U
RELATED PARTS
PART NUMBER
LTC1438/LTC1439
LTC1438-ADJ
LTC1538-AUX
LTC1539
LTC1435/LTC1435A
LTC1436A-PLL
LTC1628/LTC1628-PG
LTC1629/LTC1629-PG
LTC1702/LTC1703
LTC1735
DESCRIPTION
Dual High Efficiency Low Noise Synchronous Step-Down Switching Regulators POR, Auxiliary Regulator
Dual Synchronous Controller with Auxiliary Regulator
Dual High Efficiency Low Noise Synchronous Step-Down Switching Regulator
Dual High Efficiency Low Noise Synchronous Step-Down Switching Regulator
High Efficiency Synchronous Step-Down Switching Regulator
High Efficiency Low Noise Synchronous Step-Down Switching Regulator
Dual High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator
PolyPhase High Efficiency Controller
Dual High Efficiency, 2-Phase Synchronous Step-Down Switching Regulator
High Efficiency Synchronous Step-Down Controller
COMMENTS
POR, External Feedback Divider
Auxiliary Regulator, 5V Standby
5V Standby, POR, Low-Battery, Aux Regulator
Burst Mode
TM
Operation, 16-Pin Narrow SO
Adaptive Power
TM
Mode, 24-Pin SSOP
Constant Frequency, Standby, 5V and 3.3V LDOs
Expandable Up to 12 Phases, G-28, Up to 120A
500kHz, 25MHz GBW
Burst Mode Operation, 16-Pin Narrow SSOP,
Fault Protection, 3.5V
V
IN
36V
Output Fault Protection, Power Good, GN-24,
3.5V
V
IN
36V, 0.8V
V
OUT
6V
LTC1736
High Efficiency Synchronous Step-Down Controller with 5-Bit VID
Adaptive Power and Burst Mode are trademarks of Linear Technology Corporation.
Figure 13. 2V/20A CPU Power Supply with Active Voltage Positioning
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
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
+
NC
TG1
SW1
BOOST1
V
IN
BG1
EXTV
CC
INTV
CC
PGND
BG2
BOOST2
SW2
TG2
PGOOD
1000pF
0.22
μ
F
LTC1929-PG
M1
M2
D1
MBRS140T3
D2
MBRS140T3
V
5V TO 28V
V
OUT
2V
20A
SWITCHING FREQUENCY = 200kHz
C
IN
: 5A RIPPLE CURRENT RATING REQUIRED
C
: 4
×
180
μ
F/4V PANASONIC SP
L1 TO L2: 1.5
μ
H SUMIDA CEP125-1R5MC
M1 TO M4: FAIRCHILD FDS7760A
10
μ
F
0.1
μ
F
5V (OPT)
1000pF
100pF
3.3nF
INTV
CC
470pF
0.1
μ
F
47k
15k
10k
15k
10k
2.7k
51k
0.22
μ
F
PGOOD
100k
10
C
47
μ
F 35V
0.004
0.004
M3
L2
M4
1929 F13
C
OUT
+
+
L1
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