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LTC4090EDJC-PBF Datasheet(PDF) 6 Page - Linear Technology

Part # LTC4090EDJC-PBF
Description  USB Power Manager with 2A High Voltage Bat-Track Buck Regulator
Download  28 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4090EDJC-PBF Datasheet(HTML) 6 Page - Linear Technology

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LTC4090/LTC4090-5
6
4090fa
SWITCH CURRENT (mA)
0
400
500
700
1500
4090 G11
300
200
500
1000
2000
2500
100
0
600
0
3000
4000
5000
80
4090 G07
2000
1000
2500
3500
4500
1500
500
0
20
40
60
100
VFWD (mV)
VBAT = 3.7V
VIN = 0V
Si2333 PFET
–50
°C
0
°C
50
°C
100
°C
VBAT (V)
0
0
100
300
400
500
1
2
2.5
4.5
4090 G04
200
0.5
1.5
3
3.5
4
600
VIN = 5V
VOUT = NO LOAD
RPROG = 100k
RCLPROG = 2k
HPWR = 5V
HPWR = 0V
TEMPERATURE (
°C)
–50
400
500
600
25
75
4090 G05
300
200
–25
0
50
100
125
100
0
RPROG = 2.1k
VIN = 5V
VBAT = 3.5V
θJA = 40°C/W
VFWD (mV)
0
0
100
300
400
500
1000
700
50
100
4090 G06
200
800
900
600
150
200
VBAT = 3.7V
VIN = 0V
–50
°C
0
°C
50
°C
100
°C
IOUT (A)
0
80
90
100
0.8
4090 G08
70
60
75
85
95
65
55
50
0.2
0.4
0.6
1.0
HVIN = 8V
HVIN = 12V
HVIN = 24V
HVIN = 36V
FIGURE 12 SCHEMATIC
VBAT = 4.21V (IBAT = 0)
HVIN (V)
5
1.8
2.0
2.2
2.4
2.6
3.0
10
15
20
25
4090 G09
30
35
2.8
FIGURE 12 SCHEMATIC
VBAT = 4.21V (IBAT = 0)
TYPICAL
MINIMUM
TEMPERATURE (˚C)
80
100
120
4090 G10
60
40
20
0
140
–50
25
–25
0
50
75
100
150
125
TYPICAL PERFORMANCE CHARACTERISTICS
Charging from USB, IBAT vs VBAT
Charge Current vs Temperature
(Thermal Regulation)
Ideal Diode Current vs Forward
Voltage and Temperature (No
External Device)
Ideal Diode Current vs Forward
Voltage and Temperature with
External Device
LTC4090 High Voltage Regulator
Efficiency vs Output Load
High Voltage Regulator Maximum
Load Current
High Voltage Regulator Minimum
Switch On-Time vs Temperature
High Voltage Regulator Switch
Voltage Drop
LTC4090-5 High Voltage Regulator
Efficiency vs Output Load
IOUT (A)
0
80
90
100
0.8
4090 G29
70
60
75
85
95
65
55
50
0.2
0.4
0.6
1.0
HVIN = 8V
HVIN = 12V
HVIN = 24V
HVIN = 36V
FIGURE 12 SCHEMATIC
VBAT = 4.21V (IBAT = 0)


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