ltc3566 Linear Technology Corporation, ltc3566 Datasheet - Page 4

• Manufacturer Part Number: ltc3566
• Description: High Ef?ciency Usb Power Manager Plus 1a Buck-boost Converter
• Manufacturer: Linear Technology Corporation

LTC3566
ELECTRICAL CHARACTERISTICS
SYMBOL
R
T
NTC
V
V
V
I
Ideal Diode
V
R
I
Always On 3.3V Supply
V
R
R
Logic (ILIM, ILIM1, EN1, CHRGEN , MODE)
V
V
I
Buck-Boost Regulator
V
V
f
I
4
temperature range, otherwise specifi cations are at T
V
NTC
MAX_DIODE
PD1
OSC
VIN1
LIM
ON_CHG
COLD
HOT
DIS
FWD
DROPOUT
LDO3V3
CL_LDO3V3
OL_LDO3V
IL
IH
IN1
OUTUVLO
IN1
= V
OUT1
= 3.8V unless otherwise noted.
PARAMETER
Battery Charger Power FET On
Resistance (Between V
Junction Temperature in Constant
Temperature Mode
Cold Temperature Fault Threshold
Voltage
Hot Temperature Fault Threshold
Voltage
NTC Disable Threshold Voltage
NTC Leakage Current
Forward Voltage
Internal Diode On-Resistance,
Dropout
Internal Diode Current Limit
Regulated Output Voltage
Closed-Loop Output Resistance
Dropout Output Resistance
Logic Low Input Voltage
Logic High Input Voltage
Pull-Down Currents
Input Supply Voltage
V
V
Oscillator Frequency
Input Current
OUT
OUT
UVLO -V
UVLO - V
OUT
OUT
Falling
Rising
OUT
and BAT)
CONDITIONS
Rising Threshold
Hysteresis
Falling Threshold
Hysteresis
Falling Threshold
Hysteresis
V
V
I
V
0mA < I
V
Low Impedance. Switching Regulator
Disabled in UVLO
PWM Mode
PWM Mode, I
Burst Mode Operation, I
Shutdown
OUT
NTC
BUS
BUS
IN1
A
= 25°C. V
= 10mA
Connected to V
= V
= 0V, I
= 0V
LDO3V3
BUS
The
OUT
= 5V
OUT1
●
< 25mA
BUS
= 10mA
denotes the specifi cations which apply over the full operating
= 0μA
= 5V, V
OUT
OUT1
Through
BAT
= 0μA
= 3.8V, DV
●
CC
= 3.3V, R
MIN
75.0
33.4
–50
0.7
1.6
3.1
1.2
2.7
2.5
1.8
CLPROG
0.18
76.5
34.9
0.18
2.25
= 3.01k, R
TYP
110
220
1.5
1.5
1.7
3.3
1.6
2.6
2.8
50
15
23
13
2
4
0
PROG
MAX
78.0
36.4
400
2.7
3.5
0.4
5.5
2.9
2.7
50
20
1
= 1k,
%V
%V
%V
%V
%V
UNITS
3566p
MHz
BUS
BUS
BUS
BUS
BUS
mV
mV
mV
nA
μA
μA
μA
μA
°C
Ω
Ω
Ω
Ω
A
V
V
V
V
V
V