LTC3567 Datasheet, PDF (4/28 Pages) Linear Technology – High Effi ciency USB Power Manager Plus 1A Buck-Boost Converter with I2C Control

LTC3567
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C. V_BUS = 5V, V_IN1 = V_OUT1 = 3.8V, V_BAT = 3.8V, DV_CC = 3.3V, R_PROG = 1k,
R_CLPROG = 3.01k, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX UNITS
R_{ON_CHG}
Battery Charger Power FET On
Resistance (Between V_OUT and
BAT)
0.18
Ω
T_LIM
Junction Temperature in Constant
Temperature Mode
110
°C
NTC
V_COLD
V_HOT
V_DIS
Cold Temperature Fault Threshold
Voltage
Hot Temperature Fault Threshold
Voltage
NTC Disable Threshold Voltage
Rising Threshold
Hysteresis
Falling Threshold
Hysteresis
Falling Threshold
Hysteresis
75.0
76.5
78.0 %V_BUS
1.5
%V_BUS
33.4
34.9
36.4 %V_BUS
1.5
%V_BUS
0.7
1.7
2.7
%V_BUS
50
mV
I_NTC
Ideal Diode
NTC Leakage Current
V_NTC = V_BUS = 5V
–50
50
nA
V_FWD
R_DROPOUT
Forward Voltage
Internal Diode On-Resistance,
Dropout
V_BUS = 0V, I_OUT = 10mA
I_OUT = 10mA
V_BUS = 0V
2
mV
15
mV
0.18
Ω
I_{MAX_DIODE}
Internal Diode Current Limit
Always On 3.3V Supply
1.6
A
V_LDO3V3
Regulated Output Voltage
R_{CL_LDO3V3}
Closed-Loop Output Resistance
R_{OL_LDO3V3}
Dropout Output Resistance
Logic (CHRGEN, EN1)
0mA < I_LDO3V3 < 25mA
3.1
3.3
3.5
V
4
Ω
23
Ω
V_IL
V_IH
I_{PD_EN1}
I_{PD_CHRGEN}
I²C Port (Note 6)
Logic Low Input Voltage
Logic High Input Voltage
EN1 Pull-Down Current
CHRGEN Pull-Down Current
0.4
V
1.2
V
1.6
μA
1.6
10
μA
DV_CC
I_DVCC
V_{DVCC_UVLO}
ADDRESS
Input Supply Voltage
DV_CC Current
DV_CC UVLO
I²C Address
SCL/SDA = 0kHz
1.6
5.5
V
0.3
1
μA
1.0
V
0001001[0]
V_IH, SDA, SCL
V_IL, SDA, SCL
I_IH, I_IL SDA, SCL
V_OLSDA
f_SCL
t_BUF
Input High Voltage
Input Low Voltage
Input High/Low Current
SDA Output Low Voltage
Clock Operating Frequency
Bus Free Time Between Stop and
Start Condition
I_SDA = 3mA
70
%DV_CC
30
%DV_CC
–1
0
1
μA
0.4
V
400
kHz
1.3
μs
t_{HD_STA}
Hold Time After (Repeated) Start
Condition
0.6
μs
t_{SU_STA}
Repeated Start Condition Setup
Time
0.6
μs
3567f
4