参数资料
型号: LTC1530CS8#TR
厂商: Linear Technology
文件页数: 24/24页
文件大小: 0K
描述: IC SW REG CTRLR SYNC HIPWR 8SOIC
标准包装: 2,500
应用: 控制器,Intel Pentium? II,AMD-K6?-2
输入电压: 3.75 V ~ 13.2 V
输出数: 1
输出电压: 1.3 V ~ 3.5 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 带卷 (TR)
LTC1530
TYPICAL APPLICATIO N
LTC1530 – 5V to 2.5V, 5A Inverting Polarity Converter
(OPTIONAL)
GND
Z1
1N4742A
R8
4.7 ?
MBRS130
MBRS130
C IN
1500 μ F
+
+
C4
10 μ F
C5
0.1 μ F
R6
2k
R7
22 ?
R SENSE
0.02 ?
L1
2.5 μ H
C8
0.22 μ F
+
C OUT
1500 μ F
6.3V
× 3
V OUT *
2.5V
5A
Q4
6.3V
× 3
C1
1000pF
4
R C
5.6k
C C
0.1 μ F
1 5 6
PV CC I MAX I FB
COMP G1
LTC1530-ADJ
G2
GND V SENSE
2 3
8
7
Q1
Q2
Z2
BZX55C6V2
1/2W, 6.2V
R10
1k
2N3904
R9
10k
R11
10k R13
1k
R12
40k
C10
1 μ F
Q5
2N3904
R1
1.5K
Q3
2N3906
GND
R2
1k
C9
1 μ F
V IN = –5V
C IN , C OUT = 3 × SANYO 6MV1500GX
L1 = PANASONIC ETQP6F2R5HA PCC-N6
Q1,Q2 = SILICONIX SUD50N03-10
R SENSE = DALE LVR-1, 1W
RELATED PARTS
*FOR HIGHER OUTPUT VOLTAGE (EX 3.3V),
INCREASE R8 TO 20 ? AND INSTALL Z1
HARD CURRENT LIMIT CIRCUIT
(OPTIONAL)
1530 TA06
No R SENSE Current Mode Synchronous Step-Down Controller
PART NUMBER
LTC1625/LTC1775
LTC1628
LTC1709-7
LTC1709-8
LTC1735
LTC1736
LTC1772
LTC1773
LTC1778
LTC1876
LTC3701
LTC3713
LTC3778
LTC3832
DESCRIPTION
TM
Dual, 2-Phase Synchronous Step-Down Controller
High Efficiency, 2-Phase Synchronous Step-Down Controller
with 5-Bit VID
High Efficiency, 2-Phase Synchronous Step-Down Controller
High Efficiency, Synchronous Step-Down Controller
High Efficiency, Synchronous Step-Down Controller with 5-Bit VID
SOT-23 Step-Down Controller
Synchronous Step-Down Controller
No R SENSE , Wide Input Step-Down Controller
2-Phase, Dual Synchronous Step-Down Controller with
Step-Up Regulator
Dual, Step-Down Controller
Low V IN High Current Synchronous Step-Down Controller
Low V OUT , Optional R SENSE Synchronous Step-Down Controller
High Power, Low V IN Step-Down Controller
COMMENTS
97% Efficiency; No Sense Resistor; 16-Pin SSOP
Power Good Output; Minimum Input/Output Capacitors;
3.5V ≤ V IN ≤ 36V, Synchronizable 150kHz to 300kHz
Up to 42A Output; 0.925V ≤ V OUT ≤ 2V
Up to 42A Output; VRM 8.4; 1.3V ≤ V OUT ≤ 3.5V
Burst Mode ? Operation; 16-Pin Narrow SSOP;
3.5V ≤ V IN ≤ 36V
Mobile VID; 0.925V ≤ V OUT ≤ 2V; 3.5V ≤ V IN ≤ 36V
Current Mode; 550kHz; Very Small Solution Size
Up to 95% Efficiency, 550kHz, 2.65V ≤ V IN ≤ 8.5V,
0.8V ≤ V OUT ≤ V IN , Synchronizable to 750kHz
No R SENSE Required, 4V ≤ V IN ≤ 36V, True Current Mode,
0.8V ≤ V OUT , I OUT ≤ 20A
3.5V ≤ V IN ≤ 36V, Power Good Output, 300kHz Operation
Current Mode; 300kHz to 750kHz; Small 16-Pin SSOP,
V IN < 9.8V
1.5V ≤ V IN ≤ 36V, 0.8V ≤ V OUT ≤ (0.9)V IN , I OUT Up to 20A
0.6V ≤ V OUT ≤ (0.9)V IN , 4V ≤ V IN ≤ 36V, I OUT Up to 20A
3V ≤ V IN ≤ 8V, No R SENSE , V OUT ≥ 0.6V, I OUT ≤ 20A
Burst Mode is a registered trademark of Linear Technology Corporation. No R SENSE is a trademark of Linear Technology Corporation.
1530fa
(408) 432-1900 q FAX: (408) 434-0507 www.linear.com
24
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
q
LT/TP 1002 1K REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 1998
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