LTC3675EUFF#PBF Linear Technology, LTC3675EUFF#PBF Datasheet - Page 8

• 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

LTC3675
TYPICAL PERFORMANCE CHARACTERISTICS
8
2.70
2.65
2.60
2.55
2.50
2.45
2.40
2.35
2.30
900
850
800
750
700
650
600
550
500
450
400
100
90
80
70
60
50
40
30
20
10
0
–55
–55
1
Undervoltage Threshold
vs Temperature
Enable Threshold vs Temperature
1A Buck Regulators,
Effi ciency vs Load
V
ALL REGULATORS AND LED
DRIVER DISABLED, V
OUT
–35
–35
= 2.5V
V
V
V
V
V
V
–15
–15
IN
IN
IN
IN
IN
IN
= 2.7V Burst Mode OPERATION
= 3.6V Burst Mode OPERATION
= 5.5V Burst Mode OPERATION
= 2.7V PULSE SKIPPING-MODE
= 3.6V PULSE SKIPPING-MODE
= 5.5V PULSE SKIPPING-MODE
LOAD CURRENT (mA)
TEMPERATURE (°C)
TEMPERATURE (°C)
EN FALLING
10
5
5
25
25
IN
45
45
= 3.6V
EN RISING
V
V
100
65
65
IN_RISING
IN_FALLING
85 105 125
85 105 125
3675 G04
3675 G06
3675 G01
1000
1.220
1.216
1.212
1.208
1.204
1.200
1.196
1.192
1.188
1.184
1.180
420
415
410
405
400
395
390
385
380
50
45
40
35
30
25
20
15
10
5
0
–55
–55
1
Input Supply Current
vs Temperature
Enable Pin Precision Threshold
vs Temperature
1A Buck Regulators,
Load Regulation
ALL REGULATORS AND LED
DRIVER IN SHUTDOWN
PULSE-SKIPPING MODE
THRESHOLD MEASURED WITH A
REGULATOR ENABLED, V
–35
–35
–15
–15
LOAD CURRENT (mA)
V
TEMPERATURE (°C)
TEMPERATURE (°C)
10
IN
5
5
= 3.6V
25
25
45
45
IN
EN FALLING
V
V
EN RISING
= 3.6V
100
IN
65
65
IN
V
V
= 5.5V
= 3.6V
IN
IN
V
IN
85 105 125
85 105 125
= 2.7V
= 5.5V
= 2.7V
T
3675 G05
3675 G08
3675 G02
A
1000
= 25°C, unless otherwise noted.
1.220
1.216
1.212
1.208
1.204
1.200
1.196
1.192
1.188
1.184
1.180
2.50
2.45
2.40
2.35
2.30
2.25
2.20
2.15
2.10
2.05
2.00
100
90
80
70
60
50
40
30
20
10
0
–55
2.7
1
Oscillator Frequency
vs Temperature
1A Buck Regulators,
Effi ciency vs Load
1A Buck Regulators,
Line Regulation
PULSE-SKIPPING MODE
V
OUT
–35
3.1
= 1.2V
–15
V
V
V
V
V
V
IN
IN
IN
IN
IN
IN
3.5
= 2.7V Burst Mode OPERATION
= 3.6V Burst Mode OPERATION
= 5.5V Burst Mode OPERATION
= 2.7V PULSE SKIPPING-MODE
= 3.6V PULSE SKIPPING-MODE
= 5.5V PULSE SKIPPING-MODE
LOAD CURRENT (mA)
TEMPERATURE (°C)
V
V
10
5
IN
IN
= 5.5V
= 2.7V
LOAD = 100mA
3.9
25
V
IN
LOAD = 500mA
(V)
45
4.3
100
65
V
IN
4.7
= 3.6V
85 105 125
5.1
3675 G09
3675 G03
3675 G06
3675f
1000
5.5