參數(shù)資料
型號： LTC3675EUFF#TRPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： POWER SUPPLY SUPPORT CKT, PQCC44
封裝： 4 X 7 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-44
文件頁數(shù)： 32/36頁
文件大?。?/td> 413K
代理商： LTC3675EUFF#TRPBF
LTC3675
5
3675f
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
junction temperature range, otherwise specications are at TA = 25°C. VIN = 3.6V.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VFB3,4(HIGH)
Feedback Regulation Voltage
Pulse-Skipping Mode Full-Scale (1,1,1,1)
l
780
800
820
mV
VFB3,4(LOW)
Feedback Regulation Voltage
Pulse-Skipping Mode Full-Scale (0,0,0,0)
l
405
425
445
mV
VLSB3,4
FB3, FB4 Regulation Voltage Step Size
25
mV
IFB3,4
Feedback Leakage Current
VFB3 = VFB4 = 0.85V
–50
50
nA
DMAX3,4
Maximum Duty Cycle
VFB3 = VFB4 = 0V
l
100
%
RPMOS3,4
PMOS On-Resistance
ISW3 = ISW4 = 100mA
500
mΩ
RNMOS3,4
NMOS On-Resistance
ISW3 = ISW4 = –100mA
510
mΩ
ILEAKP3,4
PMOS Leakage Current
EN3 = EN4 = 0
–1
1
μA
ILEAKN3,4
NMOS Leakage Current
EN3 = EN4 = 0
–1
1
μA
RSWPD3,4
Output Pull-Down Resistance in Shutdown
EN3 = EN4 = 0 (I2C Bit Set)
10
kΩ
tSS3,4
Soft-Start Time
500
μs
Buck Regulators Combined
IFWD1+2
PMOS Current Limit
FB2 = VIN (Note 6)
5.6
A
IFWD2+3
PMOS Current Limit
FB3 = VIN (Note 6)
4
A
IFWD3+4
PMOS Current Limit
FB4 = VIN (Note 6)
2.4
A
1A Boost Regulator
IVIN5
PWM Mode
Burst Mode Operation
VFB5 = 0.85V (Notes 4, 5)
150
35
300
60
μA
VOUT5(MAX)
Maximum Regulated Output Voltage
5.35
5.55
5.75
V
IFWD5
Forward Current Limit
(Note 6)
2.5
3.15
3.9
A
VFB5(HIGH)
Feedback Regulation Voltage
PWM Mode Full-Scale (1,1,1,1)
l
780
800
820
mV
VFB5(LOW)
Feedback Regulation Voltage
PWM Mode Full-Scale (0,0,0,0)
l
405
425
445
mV
VLSB5
FB5 Regulation Voltage Step Size
25
mV
IFB5
Feedback Leakage Current
VFB5 = 0.85V
–50
50
nA
DCMAX5
Maximum Duty Cycle
NMOS Switch
90
%
RPMOS5
PMOS On-Resistance
260
mΩ
RNMOS5
NMOS On-Resistance
275
mΩ
ILEAKP
PMOS Switch Leakage Current
–2
2
μA
ILEAKN
NMOS Switch Leakage Current
–2
2
μA
ROUTPD5
Output Pull-Down Resistance in Shutdown
Boost Regulator Off
10
kΩ
tSS5
Soft-Start Time
500
μs
1A Buck-Boost Regulator
IVIN6
PWM Mode
Burst Mode Operation
VFB6 = 0.85V (Note 4, 5)
VFB6 = 0.85V(Note 4, 5)
220
20
400
40
μA
VOUT6(LOW)
Minimum Regulated Output Voltage
2.65
2.8
V
VOUT6(HIGH)
Maximum Regulated Output Voltage
5.25
5.65
V
IFWD6
Forward Current Limit
PWM Mode (Note 6)
2.1
2.65
3.2
A
IPEAK6
Peak Current Limit
Burst Mode Operation (Note 6)
200
275
350
mA
IZERO6
Zero Current Limit
Burst Mode Operation
–30
0
30
mA
VFB6(HIGH)
Feedback Regulation Voltage
PWM Mode Full-Scale (1,1,1,1)
l
780
800
820
mV
VFB6(LOW)
Feedback Regulation Voltage
PWM Mode Full-Scale (0,0,0,0)
l
405
425
445
mV
VLSB6
FB6 Regulation Voltage Step Size
25
mV
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參數(shù)描述
LTC3676EUJ#PBF 制造商:Linear Technology 功能描述: 制造商:Linear Technology 功能描述:DP-PMIC Multifunction, PMIC For Applications Processors
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LTC3676IUJ#PBF 制造商:Linear Technology 功能描述: 制造商:Linear Technology 功能描述:IC CONV I.MX6 40QFN 制造商:Linear Technology 功能描述:IC POWER MANAGEMENT SOLUTION 制造商:Linear Technology 功能描述:DP-PMIC Multifunction, PMIC For Applications Processors
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