LTC3675EUFF#PBF Linear Technology, LTC3675EUFF#PBF Datasheet - Page 13

• Manufacturer Part Number: LTC3675EUFF#PBF
• Description: IC, PMIC, 1A, QFN-44
• Manufacturer: Linear Technology

Specifications of LTC3675EUFF#PBF

• Supply Voltage: 5.5V
• No. Of Step-down Dc - Dc Converters: 4
• No. Of Ldo Regulators: 1
• Digital Ic Case Style: QFN
• No. Of Pins: 44
• No. Of Regulated Outputs: 7
• Operating Temperature Range: -40°C To +125°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
10.25
10.20
10.15
10.10
10.05
10.00
3.40
3.38
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
3.20
9.95
9.90
9.85
9.80
9.75
100
90
80
70
60
50
40
30
20
10
0
–55
–55
1
Buck-Boost Regulator,
V
LED Driver, Dual String Effi ciency,
10 LEDs per String
LED Driver, LED Current
vs Temperature
PWM MODE, LOAD = 500mA
SINGLE LED STRING CURRENT
MODE0 = MODE1 = 0
OUT6
–35
–35
V
IN
–15
vs Temperature
–15
V
= 4.2V
IN
DAC CODE (DECIMAL)
= 2.7V
TEMPERATURE (°C)
TEMPERATURE (°C)
10
5
5
25
25
V
V
IN
45
45
IN
= 2.7V
= 2.7V
V
V
IN
100
65
R
65
IN
LED_FS
V
= 3.6V
= 5.5V
V
IN
IN
85 105 125
85 105 125
= 5.5V
= 3.6V
= 20kΩ
3675 G40
3675 G43
3675 G46
1000
2.90
2.85
2.80
2.75
2.70
2.65
2.60
2.55
2.50
2.45
2.40
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
–55
1
1
Buck-Boost Regulator, Forward
Current Limit vs Temperature
LED Driver, Dual String Effi ciency,
4 LEDs per String
High Voltage Boost Regulator,
Effi ciency vs Load
MODE1 = 1, MODE0 = 0
V
OUT
–35
= 12V
V
–15
IN
V
V
IN
= 4.2V
DAC CODE (DECIMAL)
IN
LOAD CURRENT (mA)
TEMPERATURE (°C)
V
= 3.6V
10
10
IN
= 3.6V
5
= 2.7V
V
IN
25
= 2.7V
V
V
IN
IN
45
= 4.2V
= 5.5V
V
100
IN
100
R
65
LED_FS
= 2.7V
85 105 125
= 20kΩ
3675 G41
3675 G44
3675 G47
1000
1000
1.220
1.215
1.210
1.205
1.200
1.195
1.190
1.185
1.180
2.10
2.05
2.00
1.95
1.90
1.85
1.80
1.75
1.70
1.65
1.60
0.60
0.55
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
–55
–55
0.1
Buck-Boost Regulator, Switch
R
LED Driver, Forward Current Limit
vs Temperature
Always-On LDO, Load Regulation
DSON
–35
PMOS R
–35
V
IN
V
–15
–15
vs Temperature
= 2.7V
IN
NMOS R
V
DSON
= 3.6V
IN
LOAD CURRENT (mA)
TEMPERATURE (°C)
TEMPERATURE (°C)
PMOS R
5
5
= 5.5V
1
, V
V
IN
NMOS R
IN
DSON
25
25
= 2.7V
= 2.7V
LTC3675
DSON
, V
45
45
IN
V
DSON
, V
IN
= 4.2V
65
65
10
IN
= 5.5V
V
, V
= 4.2V
IN
85 105 125
IN
85 105 125
= 3.6V
13
= 2.7V
3675 G45
3675 G42
3675 G48
3675f
100