参数资料
型号: LTC3736EUF-1#TRPBF
厂商: Linear Technology
文件页数: 28/28页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 24-QFN
标准包装: 2,500
系列: PolyPhase®
PWM 型: 电流模式
输出数: 2
频率 - 最大: 825kHz
占空比: 100%
电源电压: 2.75 V ~ 9.8 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 24-WFQFN 裸露焊盘
包装: 带卷 (TR)
LTC3736-1
TYPICAL APPLICATIO
2-Phase, Spread Spectrum Dual Output, Synchronous DC/DC Converter
R FB1A
59k
R FB1B
187k
V IN
5V
C IN
10 μ F
× 2
C ITH1A
100pF
C ITH1
220pF R ITH1
15k
2200pF
R VIN 10 ?
C ITH2
C VIN 220pF
1 μ F
R ITH2
15k
22
23
24
1
2
3
4
5
9
7
8
6
SW1 SENSE1 +
IPRG1 PGND
V FB1 BG1
I TH1 SSDIS
IPRG2 TG1
FREQ PGND
SGND TG2
V IN RUN/SS
LTC3736EUF-1
BG2
PGOOD PGND
V FB2 SENSE2 +
I TH2
TRACK SW2
PGND
21
20
19
18
17
16
15
14
13
12
11
10
MP1
MP2
MN1
MN2
L1
1.5 μ H
L2
1.5 μ H
+
V OUT1
2.5V
2A
C OUT1
150 μ F
C OUT2
150 μ F V OUT2
1.8V
2A
C SS
10nF C ITH2B
100pF
25
1.18k
R FB2A
59k
R TRACKA
590 ?
R FB2B R TRACKB
118k
37361 TA02
MP1, MP2: FDC638P
MN1, MN2: FDC637N
L1, L2: VISHAY IHLP-2525CZ-01
C OUT1 , C OUT2 : SANYO 4TPB150MC
RELATED PARTS
PART NUMBER
LTC1628/
LTC1628-PG
LTC1735
LTC1772
LTC1773
LTC1778
LTC2923
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LTC3252
LTC3416
LTC3701
LTC3708
LTC3728/LTC3728L
LTC3736
LTC3737
LTC6902
DESCRIPTION
Dual High Efficiency, 2-Phase Synchronous
Step-Down Controllers
High Efficiency Synchronous Step-Down Controller
Constant Frequency Current Mode Step-Down
DC/DC Controller
Synchronous Step-Down Controller
No R SENSE TM Synchronous Step-Down Controller
Power Supply Tracking Controller
500mA High Efficiency, Low Noise, Inductorless
Step-Down DC/DC Converters
Dual, Low Noise, Inductorless Step-Down DC/DC Converter
4A, 4MHz, Synchronous Step-Down DC/DC Converter
with Output Tracking
2-Phase, Low Input Voltage Dual Step-Down DC/DC Controller
Fast 2-Phase, No R SENSE Buck Controller with
Output Tracking
Dual, 550kHz, 2-Phase, Synchronous Step-Down
Switching Regulator
Dual, 2-Phase, No R SENSE , Synchronous Controller with Output
Tracking
Dual, 2-Phase, No R SENSE Controller with Output Tracking
Multiphase Oscillator with Spread Spectrum Frequency
Modulation
COMMENTS
Constant Frequency, Standby, 5V and 3.3V LDOs, V IN to 36V,
28-Lead SSOP
Burst Mode Operation, 16-Pin Narrow SSOP, Fault Protection,
3.5V ≤ V IN ≤ 36V
2.5V ≤ V IN ≤ 9.8V, I OUT Up to 4A, SOT-23 Package, 550kHz
2.65V ≤ V IN ≤ 8.5V, I OUT Up to 4A, 10-Lead MSOP
Current Mode Operation Without Sense Resistor,
Fast Transient Response, 4V ≤ V IN ≤ 36V
Controls Up to Three Supplies, 10-Lead MSOP
2-Phase, Spread Spectrum Operation, 10-Pin MSOP Package
Spread Spectrum Operation, 4mm × 3mm 12-Pin DFN Package
95% Efficiency, V IN : 2.25V to 5.5V, I SD = <1 μ A,
TSSOP-20E Package
2.5V ≤ V IN ≤ 9.8V, 550kHz, PGOOD, PLL, 16-Lead SSOP
Constant On-Time Dual Controller, V IN Up to 36V, Very Low
Duty Cycle Operation, 5mm × 5mm QFN Package
Constant Frequency, V IN to 36V, 5V and 3.3V LDOs,
5mm × 5mm QFN or 28-Lead SSOP
V IN : 2.75V to 9.8V, I OUT Up to 5A, 4mm × 4mm QFN Package
V IN : 2.75V to 9.8V, I OUT Up to 5A, 4mm × 4mm QFN Package
Resistor Programs Nominal Frequency and Spreading;
2-, 3-, or 4-Phase Outputs; 10-Pin MSOP Package
No R SENSE is a trademark of Linear Technology Corporation.
37361f
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
28
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
LT/TP 0804 1K ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2004
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LTC3736EUF-2#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 24-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX
LTC3737EGN 功能描述:IC REG CTRLR BUCK PWM CM 24-SSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR)
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