ltc3576 Linear Technology Corporation, ltc3576 Datasheet - Page 8

• Manufacturer Part Number: ltc3576
• Description: Switching Power Manager With Usb On-the-go + Triple Step-down Dc/dcs
• Manufacturer: Linear Technology Corporation

LTC3576/LTC3576-1
TYPICAL PERFORMANCE CHARACTERISTICS
8
300
600
500
400
100
200
60
50
40
30
20
10
25
20
10
15
0
5
0
0
3.40
–40
0
V
V
Battery Charge Current vs V
Voltage
V
Temperature
R
R
5x MODE
V
BUS
BUS
BUS
CLPROG
PROG
BUS
3.45
Quiescent Current vs
Voltage (Suspend)
Quiescent Current vs
= 5V
–15
= 2k
1
3.50
= 3.01k
TEMPERATURE (°C)
5x MODE
1x MODE
BUS VOLTAGE (V)
3.55
10
2
V
OUT
3.60
(V)
3.65
35
3
3.70
60
4
OUT
3.75
3576 G13
3576 G10
3576 G16
3.80
85
5
5.0
4.5
3.5
3.0
2.5
4.7
4.5
4.3
4.1
3.9
3.7
3.5
3.3
3.1
2.9
2.7
4.0
60
50
40
30
20
10
0
–40
2.7
0
V
Suspend
V
(Charger Overprogrammed)
V
Suspend vs Temperature
V
V
BAT = 3.3V
R
OUT
OUT
V
I
R
R
BUS
VOUT
BUS
BUS
CLPROG
BUS
CLPROG
PROG
1x MODE
= 5V
Voltage vs Load Current in
= 5V
Voltage vs Battery Voltage
Quiescent Current in
= 5V
–15
3.0
0.5
= 0V
= 1k
HIGH POWER SUSPEND
= 3.01k
LOW POWER SUSPEND
= 3.01k
BATTERY VOLTAGE (V)
LOAD CURRENT (mA)
TEMPERATURE (°C)
3.3
1.0
10
5x MODE
1.5
3.6
35
2.0
3.9
60
T
A
3576 G17
3576 G14
3576 G11
= 25°C unless otherwise specifi ed.
4.2
2.5
85
0.999
0.998
0.997
0.996
1.001
1.000
2.5
2.0
0.5
1.5
1.0
35
30
25
20
15
10
0
5
0
–40
–40
0
V
Suspend
Normalized Battery Charger Float
Voltage vs Temperature
Battery Drain Current vs
Temperature
V
BAT = 3.3V
R
BUS
BUS
CLPROG
HIGH POWER
Current vs Load Current in
= 5V
–15
–15
0.5
SUSPEND
= 3.01k
LOAD CURRENT (mA)
TEMPERATURE (°C)
TEMPERATURE (°C)
LOW POWER SUSPEND
1.0
10
10
1.5
35
35
BAT = 3.8V
V
SWITCHING
REGULATORS OFF
BUS
= 0V
2.0
60
60
3576 G18
3576 G12
3576 G15
3576f
2.5
85
85