LTC3576EUFE#PBF Linear Technology, LTC3576EUFE#PBF Datasheet - Page 7

• Manufacturer Part Number: LTC3576EUFE#PBF
• Description: IC POWER MANAGER W/USB OTG 38QFN
• Manufacturer: Linear Technology

Specifications of LTC3576EUFE#PBF

• Applications: Handheld/Mobile Devices
• Voltage - Supply: 4.35 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 38-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -

TYPICAL PERFORMANCE CHARACTERISTICS
AC COUPLED
500mA/DIV
50mV/DIV
600
500
400
200
900
800
700
300
100
0.2
1.0
0.8
0.6
0.4
0
0
I
V
VOUT
2.7
0mA
OUT
0
Ideal Diode V-I Characteristics
USB Limited Load Current vs Battery
Voltage (Battery Charger Disabled)
PowerPath Switching Regulator
Transient Response
V
V
CHARGER OFF
10 MODE
BUS
OUT
INTERNAL IDEAL DIODE
WITH SUPPLEMENTAL
EXTERNAL VISHAY
Si2333 PMOS
0.04
3.0
= 5V
= 3.65V
FORWARD VOLTAGE (V)
BATTERY VOLTAGE (V)
0.08
3.3
20μs/DIV
0.12
INTERNAL IDEAL
DIODE ONLY
3.6
V
5 MODE
0.16
V
3.9
BUS
BUS
3576 G04
= 5V
= 5V
3576 G01
0.20
4.2
3576 G07
–250
–500
0.25
0.20
0.10
0.05
0.15
750
500
100
250
90
80
70
60
50
40
30
0
0
2.7
10
0
Ideal Diode Resistance
vs Battery Voltage
Battery and V
vs Load Current
PowerPath Switching Regulator
Effi ciency vs Load Current
V
BAT = 3.8V
5 MODE
R
R
BUS
100 200 300 400 500 600 700
CLPROG
PROG
1 MODE
INTERNAL IDEAL
= 5V
3.0
= 1k
= 3.01k
INTERNAL IDEAL DIODE
DIODE
WITH SUPPLEMENTAL
BATTERY VOLTAGE (V)
LOAD CURRENT (mA)
LOAD CURRENT (mA)
EXTERNAL VISHAY
V
Si2333 PMOS
3.3
BUS
BUS
BATTERY CURRENT
CURRENT
100
5 , 10 MODE
(DISCHARGING)
Currents
BATTERY CURRENT
(CHARGING)
3.6
800
3.9
T
900 1000
A
3576 G02
3576 G05
3576 G08
= 25°C unless otherwise specifi ed.
1000
4.2
LTC3576/LTC3576-1
4.50
4.25
4.00
3.75
3.50
3.25
300
600
500
400
100
200
75
70
60
95
90
85
80
65
50
55
0
–40
2.7
0
V
(Battery Charger Disabled)
Battery Charge Current
vs Temperature
Battery Charging Effi ciency
vs Battery Voltage with No
External Load (P
R
R
R
OUT
PROG
CLPROG
PROG
0.1 0.2 0.3 0.4 0.5 0.6 0.7
–20
5 MODE
Voltage vs Load Current
3.0
= 2k
= 1k
= 3.01k
BAT = 3.4V
0
BAT = 4V
BATTERY VOLTAGE (V)
TEMPERATURE (°C)
LOAD CURRENT (A)
20
THERMAL REGULATION
3.3
40
BAT
1 MODE
/P
3.6
60
VBUS
80
)
0.8
3.9
100
0.9 1.0
3576 G09
3576 G03
3576 G06
3576fb
7
120
4.2