OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

LTC3676IUJ-1#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P38
LTC3676/LTC3676-1
4
3676fe
For more information www.linear.com/LTC3676
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
= PV
IN1
= PV
IN2
= PV
IN3
= PV
IN4
= V
IN_L2
= V
IN_L3
=
V
IN_L4
= DV
DD
= 3.8V. All regulators disabled unless otherwise noted.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Operating Input Supply Voltage, V
IN
l
2.7 5.5 V
V
IN
Standby Current PWR_ON = 0V
l
12 21 µA
Step-Down Switching Regulators 1, 2, 3 and 4
Output Voltage Range V
FB
PV
IN
V
Burst Mode
®
V
IN
Quiescent Current
Pulse-Skipping Mode V
IN
Quiescent Current
Forced Continuous V
IN
Quiescent Current
V
FB
= 850mV (Note 5)
V
FB
= 850mV (Note 5)
V
FB
= 0V (Note 5)
l
l
l
23
120
170
50
200
300
µA
µA
µA
Feedback Pin Input Current V
FB
= 850mV –0.05 0.05 µA
Maximum Duty Cycle V
FB
= 0V 100 %
SW Pull-Down Resistance Regulator Disabled 625 Ω
Feedback Reference Soft-Start Rate (Note 6) 0.8 V/ms
High Feedback Regulation Voltage (V
FB
) DVBxA[4:0] = DVBxB[4:0] = 11111,
V
IN
= 2.7V to 5.5V
l
788 800 812 mV
Default Feedback Regulation Voltage (V
FB
) DVBxA[4:0] = DVBxB[4:0] = 11001,
V
IN
= 2.7V to 5.5V
l
714 725 736 mV
Low Feedback Regulation Voltage (V
FB
) DVBxA[4:0] = DVBxB[4:0] = 00000,
V
IN
= 2.7V to 5.5V
l
404 412.5 421 mV
Feedback LSB Step Size 12.5 mV
Switching Frequency BUCKx[2] = 0
BUCKx[2] = 1
l
l
1.7
0.85
2.25
1.125
2.7
1.35
MHz
MHz
1.5A Step-Down Switching Regulators 1 and 2
PMOS Current Limit
l
2 A
PMOS On-Resistance (Note 7) 160 mΩ
NMOS On-Resistance (Note 7) 80 mΩ
2.5A Step-Down Switching Regulators 3 and 4
PMOS Current Limit
l
3.0 A
PMOS On-Resistance (Note 7) 120 mΩ
NMOS On-Resistance (Note 7) 70 mΩ
Step-Down Switching Regulator 1 and VTTR (LTC3676-1)
Buck 1 Feedback Regulation V
oltage VDDQIN = 1.5V
l
VTTR – 10 VTTR VTTR + 10 mV
VTTR Output Voltage VDDQIN = 1.5V
l
0.49•VDDQIN 0.5•VDDQIN 0.51•VDDQIN mV
VTTR Maximum Output Current
l
–10 10 mA
I
VIN
VTTR Enabled 1 mA
LDO Regulators 2, 3 and 4
Feedback Reference Soft-Start Rate 10 V/ms
Output Pull-Down Resistance Regulator Disabled 625 Ω
LDO Regulator 1
Output Voltage Range V
FB_L1
V
IN
Feedback Regulation Voltage (V
FB_L1
)
l
689 725 761 mV
Line Regulation I
LDO1
= 1mA, V
LDO1
= 1.2V,
V
IN
= 2.7V to 5.5V
0.15 %/V
Load Regulation I
LDO1
= 0.1mA to 25mA,
V
LDO1
= 3.3V
0.1 %
LTC3676/LTC3676-1
5
3676fe
For more information www.linear.com/LTC3676
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
= PV
IN1
= PV
IN2
= PV
IN3
= PV
IN4
= V
IN_L2
= V
IN_L3
=
V
IN_L4
= DV
DD
= 3.8V. All regulators disabled unless otherwise noted.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Available Output Current
l
25 mA
Short-Circuit Output Current Limit 65 100 mA
Dropout Voltage (Note 4) I
LDO1
= 25mA, V
LDO1
= 3.3V 200 280 mV
Feedback Pin Input Current V
FB_L1
= 850mV –0.05 0.05 µA
LDO Regulator 2
V
IN_L2
Input Voltage
l
1.7 V
IN
V
LDO2 Output Voltage Range I
LDO2
= 1mA V
FB_L2
V
IN_L2
V
Available Output Current
l
300 mA
V
IN_L2
Quiescent Current
V
IN_L2
Shutdown Current
Regulator Enabled, I
LDO2
= 0A
Regulator Disabled
l
l
12
0
25
1
µA
µA
V
IN
Quiescent Current Regulator Enabled
l
50 85 µA
Feedback Regulation Voltage (V
FB_L2
)
l
0.707 0.725 0.743 V
Line Regulation I
LDO2
=1mA, V
IN
= 2.7V to 5.5V 0.01 %/V
Load Regulation I
LDO2
= 1mA to 300mA 0.01 %
Short-Circuit Current Limit 770 mA
Dropout Voltage (Note 4) I
LDO2
= 300mA, V
LDO2
= 2.5V
I
LDO2
= 300mA, V
LDO2
= 1.2V
210
450
260
615
mV
mV
Feedback Pin Input Current V
FB_L2
= 725mV –0.05 0.05 µA
LDO Regulator 3
V
IN_L3
Input Voltage
l
2.35 V
IN
V
Output Voltage V
IN_L3
= V
IN
, I
LDO3
= 1mA
l
1.746 1.8 1.854 V
Available Output Current
l
300 mA
V
IN_L3
Quiescent Current
V
IN_L3
Shutdown Current
Regulator Enabled, I
LDO3
= 0A
Regulator Disabled
l
l
14
0
25
1
µA
µA
V
IN
Quiescent Current Regulator Enabled
l
50 85 µA
Line Regulation I
LDO3
=1mA, V
IN
= 2.7V to 5.5V 0.01 %/V
Load Regulation I
LDO3
= 1mA to 300mA 0.05 %
Short-Circuit Current Limit 770 mA
Dropout Voltage (Note 4) I
LDO3
= 300mA, V
LDO3
= 1.8V 280 350 mV
LDO Regulator 4
V
IN_L4
Input Voltage
l
1.7 V
IN
V
LDO4 Output Voltage Range (LTC3676) I
LDO4
= 1mA V
FB_L4
V
IN_L4
V
Feedback Regulation Voltage (LTC3676) (V
FB_L4
)
l
0.707 0.725 0.743 V
Output Voltage (LTC3676-1) I
LDO4
= 1mA, LDOB[4:3] = 00
LDOB[4:3] = 01
LDOB[4:3] = 10
LDOB[4:3] = 11
l
l
l
l
1.164
2.425
2.716
2.91
1.2
2.5
2.8
3.0
1.236
2.575
2.884
3.09
V
V
V
V
Available Output Current
l
300 mA
V
IN_L4
Quiescent Current
V
IN_L4
Shutdown Current
Regulator Enabled, I
LDO4
= 0A
Regulator Disabled
l
l
12
0
25
1
µA
µA
V
IN
Quiescent Current Regulator Enabled
l
50 85 µA
Line Regulation I
LDO4
=1mA, V
IN
= 2.7V to 5.5V 0.01 %/V
LTC3676/LTC3676-1
6
3676fe
For more information www.linear.com/LTC3676
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
= PV
IN1
= PV
IN2
= PV
IN3
= PV
IN4
= V
IN_L2
= V
IN_L3
=
V
IN_L4
= DV
DD
= 3.8V. All regulators disabled unless otherwise noted.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Load Regulation (LTC3676)
Load Regulation (LTC3676-1)
I
LDO4
= 1mA to 300mA 0.01
0.05
%
%
Short-Cir
cuit Current Limit 770 mA
Dropout Voltage (Note 4) I
LDO4
= 300mA, V
LDO4
= 2.5V
I
LDO4
= 300mA, V
LDO4
= 1.2V
210
450
260
615
mV
mV
Feedback Pin Input Current (LTC3676) V
FB_L4
= 725mV –0.05 0.05 µA
Enable Inputs
Threshold Rising All Enables Low
l
0.75 1.2 V
Threshold Falling One Enable High
l
0.4 0.7
Precision Threshold One or More Enables
l
0.370 0.400 0.430 V
Input Pull-Down Resistance 4.5 MΩ
VSTB, PWR_ON Inputs
Threshold
l
0.370 0.400 0.430 V
Pull-Down Resistance 4.5 MΩ
Pushbutton Interface
ON Threshold Rising
ON Threshold Falling
l
l
0.4
0.75
0.7
1.2 V
V
ON Input Current ON
= V
IN
ON = 0V
–1
–40
1 µA
µA
ON Low T
ime to IRQ Low 50 ms
ON High Time to IRQ High 0.2 µs
ON Low Time to WAKE High 400 ms
ON Low Time to Hard Reset CNTRL[6] = 0 10 sec
IRQ Minimum Pulse Width 50 ms
IRQ Blanking from WAKE Low 1 sec
Minimum WAKE Low Time 1 sec
WAKE High Time with PWR_ON = 0V 5 sec
PWR_ON High to WAKE High 3 ms
PWR_ON Low to WAKE Low 3 ms
Status Output Pins (WAKE, PGOOD, RSTO, IRQ)
WAKE Output Low Voltage I
WAKE
= 3mA 0.1 0.4 V
WAKE Output High Leakage Current V
WAKE
= 3.8V –0.1 0.1 µA
PGOOD Output Low Voltage I
PGOOD
= 3mA 0.1 0.4 V
PGOOD Output High Leakage Current V
PGOOD
= 3.8V –0.1 0.1 µA
PGOOD Threshold Rising
PGOOD Threshold Falling
–6
–8
%
%
RSTO Output Low V
oltage I
RSTO
= 3mA 0.1 0.4 V
RSTO Output High Leakage Current V
RSTO
= 3.8V –0.1 0.1 µA
LDO1 Power Good Threshold Rising
LDO1 Power Good Threshold Falling
–7.5
–10
%
%
IRQ Output Low V
oltage I
IRQ
= 3mA 0.1 0.4 V
IRQ Output High Leakage Current V
IRQ
= 3.8V –0.1 0.1 µA
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P38

LTC3676IUJ-1#TRPBF

Mfr. #:
Buy LTC3676IUJ-1#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators Pwr M Solution for Application Processor
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet