參數(shù)資料
型號(hào)： LTC3880IUJ-1#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： 0.1 A DUAL SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC40
封裝： 6 X 6 MM, LEAD FREE, PLASTIC, WJJD-2, QFN-40
文件頁(yè)數(shù)： 80/112頁(yè)
文件大?。?/td> 2182K
代理商： LTC3880IUJ-1#PBF
LTC3880/LTC3880-1
7
3880fa
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating
junction temperature range, otherwise specifications are at TA = 25°C. (Note 2) VIN = 12V, VRUN0,1 = 3.3V, fSYNC = 500kHz (externally
driven) unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Temperature Readback (T0, T1, T2)
TRES_T
Resolution
0.25
°C
T0,1_TUE
External TSNS TUE
VTSNS = 72mV (Note 8)
l
±3
°C
T2_TUE
Internal TSNS TUE
VRUN0,1 = 0.0V, fSYNC = 0kHz (Note 8)
±1
°C
tCONVERT_T
Update Rate
(Note 6)
120
ms
INTVCC Regulator
VINTVCC
Internal VCC Voltage No Load (LTC3380)
6V < VIN < 24V
l
4.8
5
5.2
V
VLDO_INT
INTVCC Load Regulation (LTC3380)
ICC = 0mA to 50mA
0.5
±2
%
VDD33 Regulator
VDD33
Internal VDD33 Voltage
4.5V < VINTVCC/VEXTVCC
l
3.2
3.3
3.40
V
ILIM(VDD33)
VDD33 Current Limit
VDD33 = GND
70
mA
VDD33_OV
VDD33 Overvoltage Threshold
3.5
V
VDD33_UV
VDD33 Undervoltage Threshold
3.1
V
VDD25 Regulator
VDD25
Internal VDD25 Voltage
l
2.25
2.5
2.75
V
ILIM(VDD25)
VDD25 Current Limit
VDD25 = GND
50
mA
Oscillator and Phase-Locked Loop
fOSC
Oscillator Frequency Accuracy
250kHz < fSYNC < 1MHz Measured Falling
Edge-to-Falling Edge of SYNC with SWITCH_
FREQUENCY = 250.0.and 1000.0
l
±7.5
%
VTH,SYNC
SYNC Input Threshold
VCLKIN Falling
VCLKIN Rising
1
1.5
V
VOL,SYNC
SYNC Low Output Voltage
ILOAD = 3mA
l
0.2
0.4
V
ILEAKSYNC
SYNC Leakage Current in Slave Mode
0V ≤ VPIN ≤ 3.6V
±5
A
θSYNC-θ0
SYNC to Ch0 Phase Relationship Based on
the Falling Edge of Sync and Rising Edge of
TG0
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
0
60
90
120
Deg
θSYNC-θ1
SYNC to Ch1 Phase Relationship Based on
the Falling Edge of Sync and Rising Edge of
TG1
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
120
180
240
270
300
Deg
EEPROM Characteristics
Endurance
(Note 13)
0°C < TJ < 85°C During EEPROM Write
Operations
l
10,000
Cycles
Retention
(Note 13)
TJ < TJMAX
l
10
Years
Mass_Write Mass Write Operation Time
STORE_USER_ALL, 0°C < TJ < 85°C During
EEPROM Write Operations
l
440
4100
ms
Digital Inputs SCL, SDA, RUN0, RUN1, GPIO0, GPIO1
VIH
Input High Threshold Voltage
SCL, SDA, RUN0, RUN1, GPIO0, GPIO1
l
2.0
V
VIL
Input Low Threshold Voltage
SCL, SDA, RUN0, RUN1, GPIO0, GPIO1
l
1.4
V
VHYST
Input Hysteresis
SCL, SDA
0.08
V
CPIN
Input Capacitance
10
pF
Digital Input WP
IPUWP
Input Pull-Up Current
WP
10
A
Open-Drain Outputs SCL, SDA, GPIO0, GPIO1, ALERT, RUN0, RUN1, SHARE_CLK
VOL
Output Low Voltage
ISINK = 3mA
l
0.4
V
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PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)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
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