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LTC3567 Datasheet(PDF) 4 Page - Linear Technology

Part # LTC3567
Description  High Effi ciency USB Power Manager Plus 1A Buck-Boost Converter with I2C Control
PDF  28 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3567 Datasheet(HTML) 4 Page - Linear Technology

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LTC3567
4
3567f
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VBUS = 5V, VIN1 = VOUT1 = 3.8V, VBAT = 3.8V, DVCC = 3.3V, RPROG = 1k,
RCLPROG = 3.01k, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RON_CHG
Battery Charger Power FET On
Resistance (Between VOUT and
BAT)
0.18
Ω
TLIM
Junction Temperature in Constant
Temperature Mode
110
°C
NTC
VCOLD
Cold Temperature Fault Threshold
Voltage
Rising Threshold
Hysteresis
75.0
76.5
1.5
78.0
%VBUS
%VBUS
VHOT
Hot Temperature Fault Threshold
Voltage
Falling Threshold
Hysteresis
33.4
34.9
1.5
36.4
%VBUS
%VBUS
VDIS
NTC Disable Threshold Voltage
Falling Threshold
Hysteresis
0.7
1.7
50
2.7
%VBUS
mV
INTC
NTC Leakage Current
VNTC = VBUS = 5V
–50
50
nA
Ideal Diode
VFWD
Forward Voltage
VBUS = 0V, IOUT = 10mA
IOUT = 10mA
2
15
mV
mV
RDROPOUT
Internal Diode On-Resistance,
Dropout
VBUS = 0V
0.18
Ω
IMAX_DIODE
Internal Diode Current Limit
1.6
A
Always On 3.3V Supply
VLDO3V3
Regulated Output Voltage
0mA < ILDO3V3 < 25mA
3.1
3.3
3.5
V
RCL_LDO3V3
Closed-Loop Output Resistance
4
Ω
ROL_LDO3V3
Dropout Output Resistance
23
Ω
Logic (CHRGEN, EN1)
VIL
Logic Low Input Voltage
0.4
V
VIH
Logic High Input Voltage
1.2
V
IPD_EN1
EN1 Pull-Down Current
1.6
μA
IPD_CHRGEN
CHRGEN Pull-Down Current
1.6
10
μA
I2C Port (Note 6)
DVCC
Input Supply Voltage
1.6
5.5
V
IDVCC
DVCC Current
SCL/SDA = 0kHz
0.3
1
μA
VDVCC_UVLO
DVCC UVLO
1.0
V
ADDRESS
I2C Address
0001001[0]
VIH, SDA, SCL
Input High Voltage
70
%DVCC
VIL, SDA, SCL
Input Low Voltage
30
%DVCC
IIH, IIL SDA, SCL
Input High/Low Current
–1
0
1
μA
VOLSDA
SDA Output Low Voltage
ISDA = 3mA
0.4
V
fSCL
Clock Operating Frequency
400
kHz
tBUF
Bus Free Time Between Stop and
Start Condition
1.3
μs
tHD_STA
Hold Time After (Repeated) Start
Condition
0.6
μs
tSU_STA
Repeated Start Condition Setup
Time
0.6
μs



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