参数资料
型号: LTC3834EUFD#PBF
厂商: Linear Technology
文件页数: 2/28页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 20-QFN
标准包装: 73
PWM 型: 电流模式
输出数: 1
频率 - 最大: 580kHz
占空比: 99.4%
电源电压: 4 V ~ 36 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: 20-WFQFN 裸露焊盘
包装: 管件
LTC3834
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Supply Voltage (V IN ) ......................... 36V to –0.3V
Topside Driver Voltage (BOOST) ................ 42V to –0.3V
Switch Voltage (SW) ..................................... 36V to –5V
INTV CC , (BOOST-SW), CLKOUT, PGOOD .. 8.5V to –0.3V
RUN, TRACK/SS ......................................... 7V to –0.3V
SENSE + , SENSE – Voltages ........................ 11V to –0.3V
PLLIN/MODE, PHASMD, PLLLPF ......... INTV CC to –0.3V
EXTV CC ...................................................... 10V to –0.3V
I TH , V FB Voltages ...................................... 2.7V to –0.3V
Peak Output Current <10μs (TG, BG) ..........................3A
INTV CC Peak Output Current ................................. 50mA
Operating Temperature Range (Note 2).... –40°C to 85°C
Junction Temperature (Note 3) ............................. 125°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
FE Package ....................................................... 300°C
PIN CONFIGURATION
TOP VIEW
TOP VIEW
CLKOUT
PLLLPF
1
2
20 PHASMD
19 PLLIN/MODE
I TH
3
18 PGOOD
20 19 18 17
TRACKS/SS
4
17 SENSE +
I TH 1
16 PGOOD
V FB
SGND
PGND
BG
5
6
7
8
21
16 SENSE –
15 RUN
14 BOOST
13 TG
TRACK/SS 2
V FB 3
SGND 4
PGND 5
BG 6
21
15 SENSE +
14 SENSE –
13 RUN
12 BOOST
11 TG
INTV CC
9
12 SW
EXTV CC 10
11 V IN
7
8
9 10
FE PACKAGE
20-LEAD PLASTIC TSSOP
T JMAX = 125°C, θ JA = 35°C/W
EXPOSED PAD (PIN 21) IS SGND, MUST BE SOLDERED TO PCB
UFD PACKAGE
20-PIN (4mm 5mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 37°C/W
EXPOSED PAD (PIN 21) IS SGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LTC3834EFE#PBF
LTC3834IFE#PBF
LTC3834EUFD#PBF
LTC3834IUFD#PBF
TAPE AND REEL
LTC3834EFE#TRPBF
LTC3834IFE#TRPBF
LTC3834EUFD#TRPBF
LTC3834IUFD#TRPBF
PART MARKING*
LTC3834FE
LTC3834FE
3834
3834
PACKAGE DESCRIPTION
20-Lead Plastic TSSOP
20-Lead Plastic TSSOP
20-Lead (4mm × 5mm) Plastic QFN
20-Lead (4mm × 5mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 85°C (Note 2)
–40°C to 85°C
–40°C to 85°C (Note 2)
–40°C to 85°C
Consult LTC Marketing for parts speci?ed with wider operating temperature ranges. *The temperature grade is identi?ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based ?nish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel speci?cations, go to: http://www.linear.com/tapeandreel/
3834fb
2
相关PDF资料
PDF描述
RLB9012-152KL INDUCTOR HI CURRNT RADIAL 1500UH
RBA32DCBD CONN EDGECARD 64POS R/A .125 SLD
LTC1929CG-PG#PBF IC REG CTRLR BUCK PWM CM 28-SSOP
RBA32DCBH CONN EDGECARD 64POS R/A .125 SLD
LTC1929CG-PG IC REG CTRLR BUCK PWM CM 28-SSOP
相关代理商/技术参数
参数描述
LTC3834IDHC-1#PBF 功能描述:IC REG CTRLR BUCK PWM CM 16-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 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
LTC3834IDHC-1#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 16-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 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
LTC3834IFE#PBF 功能描述:IC REG CTRLR BUCK PWM CM 20TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 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
LTC3834IFE#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 20TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 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
LTC3834IGN-1#PBF 功能描述:IC REG CTRLR BUCK PWM CM 16-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 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