- 您现在的位置：买卖IC网 > PDF目录15239 > LTC3880IUJ-1#TRPBF (Linear Technology)IC REG CTRLR BUCK PWM CM 40-QFN PDF资料下载
参数资料
| 型号： | LTC3880IUJ-1#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 7/112页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BUCK PWM CM 40-QFN |
| 软件下载： | LTpowerPlay™ |
| 标准包装： | 2,000 |
| 系列： | PolyPhase® |
| PWM 型： | 电流模式 |
| 输出数： | 2 |
| 频率 - 最大： | 1MHz |
| 电源电压： | 4.5 V ~ 24 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： | 40-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
第1页第2页第3页第4页第5页第6页当前第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页第66页第67页第68页第69页第70页第71页第72页第73页第74页第75页第76页第77页第78页第79页第80页第81页第82页第83页第84页第85页第86页第87页第88页第89页第90页第91页第92页第93页第94页第95页第96页第97页第98页第99页第100页第101页第102页第103页第104页第105页第106页第107页第108页第109页第110页第111页第112页
LTC3880/LTC3880-1
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at T A = 25°C. (Note 2) V IN = 12V, V RUN0,1 = 3.3V, f SYNC = 500kHz (externally
driven) unless otherwise specified.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Temperature Readback (T0, T1, T2)
T RES_T Resolution
T0,1_TUE External TSNS TUE
T2_TUE Internal TSNS TUE
t CONVERT_T Update Rate
INTV CC Regulator
V INTVCC Internal V CC Voltage No Load (LTC3380)
V LDO_INT INTV CC Load Regulation (LTC3380)
V DD33 Regulator
V DD33 Internal V DD33 Voltage
I LIM(VDD33) V DD33 Current Limit
V DD33_OV V DD33 Overvoltage Threshold
V DD33_UV V DD33 Undervoltage Threshold
V DD25 Regulator
V DD25 Internal V DD25 Voltage
I LIM(VDD25) V DD25 Current Limit
Oscillator and Phase-Locked Loop
Oscillator Frequency Accuracy
f OSC
? V TSNS = 72mV (Note 8)
V RUN0,1 = 0.0V, f SYNC = 0kHz (Note 8)
(Note 6)
6V < V IN < 24V
I CC = 0mA to 50mA
4.5V < V INTVCC /V EXTVCC
V DD33 = GND
V DD25 = GND
250kHz < f SYNC < 1MHz Measured Falling
Edge-to-Falling Edge of SYNC with SWITCH_
FREQUENCY = 250.0.and 1000.0
l
l
l
l
l
4.8
3.2
2.25
0.25
±1
120
5
0.5
3.3
70
3.5
3.1
2.5
50
±3
5.2
±2
3.40
2.75
±7.5
°C
°C
°C
ms
V
%
V
mA
V
V
V
mA
%
V TH,SYNC
V OL,SYNC
I LEAKSYNC
θ SYNC- θ 0
θ SYNC- θ 1
SYNC Input Threshold
SYNC Low Output Voltage
SYNC Leakage Current in Slave Mode
SYNC to Ch0 Phase Relationship Based on
the Falling Edge of Sync and Rising Edge of
TG0
SYNC to Ch1 Phase Relationship Based on
the Falling Edge of Sync and Rising Edge of
TG1
V CLKIN Falling
V CLKIN Rising
I LOAD = 3mA
0V ≤ V PIN ≤ 3.6V
MFR_PWM_CONFIG_LTC3880[2:0] = 0, 2, 3
MFR_PWM_CONFIG_LTC3880[2:0] = 5
MFR_PWM_CONFIG_LTC3880[2:0] = 1
MFR_PWM_CONFIG_LTC3880[2:0] = 4, 6
MFR_PWM_CONFIG_LTC3880[2:0] = 3
MFR_PWM_CONFIG_LTC3880[2:0] = 0
MFR_PWM_CONFIG_LTC3880[2:0] = 2, 4, 5
MFR_PWM_CONFIG_LTC3880[2:0] = 1
MFR_PWM_CONFIG_LTC3880[2:0] = 6
l
1
1.5
0.2
0
60
90
120
120
180
240
270
300
0.4
±5
V
V
V
μA
Deg
Deg
Deg
Deg
Deg
Deg
Deg
Deg
Deg
EEPROM Characteristics
Endurance (Note 13)
0°C < T J < 85°C During EEPROM Write
Operations
l
10,000
Cycles
Retention
Mass_Write
(Note 13)
Mass Write Operation Time
T J < T JMAX
STORE_USER_ALL, 0°C < TJ < 85°C During
EEPROM Write Operations
l
l
10
440
4100
Years
ms
Digital Inputs SCL, SDA, RUN0, RUN1, GPIO0 , GPIO1
V IH Input High Threshold Voltage
V IL Input Low Threshold Voltage
V HYST Input Hysteresis
C PIN Input Capacitance
Digital Input WP
SCL, SDA, RUN0, RUN1, GPIO0 , GPIO1
SCL, SDA, RUN0, RUN1, GPIO0 , GPIO1
SCL, SDA
l
l
1.4
0.08
2.0
10
V
V
V
pF
I PUWP Input Pull-Up Current WP
Open-Drain O utputs SCL, SDA, GPIO0 , GPIO1 , ALERT , RUN0 , RUN1, SHARE_CLK
10
μA
V OL
Output Low Voltage
I SINK = 3mA
l
0.4
V
3880fb
For more information www.linear.com/LTC3880
7
相关PDF资料 |
PDF描述 |
|---|---|
| SRP1040-R50M | INDUCTOR 500NH 23A SMD |
| LTC3729EUH#TRPBF | IC REG CTRLR BUCK PWM CM 32-QFN |
| ELL-6PM1R0N | COIL PWR CHOKE 1UH 2.7A SMD |
| LTC3729EUH#TR | IC REG CTRLR BUCK PWM CM 32-QFN |
| SRP1040-R39M | INDUCTOR 390NH 24A SMD |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3883EUH#PBF | 制造商:Linear Technology 功能描述:IC REG CTRLR BUCK PWM VM 32-QFN 制造商:Linear Technology 功能描述:BUCK CNTRL 24V 1MHZ 0.5/5.5V 32QFN 制造商:Linear Technology 功能描述:BUCK, CNTRL, 24V, 1MHZ, 0.5/5.5V, 32QFN 制造商:Linear Technology 功能描述:PWM CONTROLLER, BUCK, 1MHZ, 24V, QFN-32, Input Voltage:24V, Output Voltage:5.5V, Output Current:30A, Supply Voltage Min:4.5V, Supply Voltage Max:24V, Digital IC Case Style:QFN, No. of Pins:32, Frequency:1MHz, MSL:MSL 1 - Unlimited , RoHS Compliant: Yes 制造商:Linear Technology 功能描述:DP-SWREG/Controller, Digitally Programmable, Multiphase Step-Down DC/DC Controll |
| LTC3883EUH#TRPBF | 制造商:Linear Technology 功能描述:IC REG CTRLR BUCK PWM VM 32-QFN 制造商:Linear Technology 功能描述:DP-SWREG/Controller, Digitally Programmable, Multiphase Step-Down DC/DC Controll |
| LTC3883EUH-1#PBF | 制造商:Linear Technology 功能描述:IC REG CTRLR BUCK PWM VM 32-QFN 制造商:Linear Technology 功能描述:BUCK CNTRL 24V 1MHZ 0.5/5.5V 32QFN 制造商:Linear Technology 功能描述:BUCK, CNTRL, 24V, 1MHZ, 0.5/5.5V, 32QFN 制造商:Linear Technology 功能描述:PWM CONTROLLER, BUCK, 1MHZ, 24V, QFN-32, Input Voltage:24V, Output Voltage:5.5V, Output Current:30A, Supply Voltage Min:4.5V, Supply Voltage Max:24V, Digital IC Case Style:QFN, No. of Pins:32, Frequency:1MHz, MSL:MSL 1 - Unlimited , RoHS Compliant: Yes 制造商:Linear Technology 功能描述:DP-SWREG/Controller, Digitally Programmable, Multiphase Step-Down DC/DC Controll |
| LTC3883EUH-1#TRPBF | 制造商:Linear Technology 功能描述:IC REG CTRLR BUCK PWM VM 32-QFN |
| LTC3883IUH#PBF | 制造商:Linear Technology 功能描述:DC DC Cntrlr Single-OUT Sync Step Down 4.5V to 24V Input 32-Pin QFN EP 制造商:Linear Technology 功能描述:IC REG CTRLR BUCK PWM VM 32-QFN 制造商:Linear Technology 功能描述:BUCK CNTRL 24V 1MHZ 0.5/5.5V 32QFN 制造商:Linear Technology 功能描述:BUCK, CNTRL, 24V, 1MHZ, 0.5/5.5V, 32QFN 制造商:Linear Technology 功能描述:PWM CONTROLLER, BUCK, 1MHZ, 24V, QFN-32, Input Voltage:24V, Output Voltage:5.5V, Output Current:30A, Supply Voltage Min:4.5V, Supply Voltage Max:24V, Digital IC Case Style:QFN, No. of Pins:32, Frequency:1MHz, MSL:MSL 1 - Unlimited , RoHS Compliant: Yes 制造商:Linear Technology 功能描述:DP-SWREG/Controller, Digitally Programmable, Multiphase Step-Down DC/DC Controll |
发布紧急采购，3分钟左右您将得到回复。