LTC3535EDD#PBF Linear Technology, LTC3535EDD#PBF Datasheet - Page 4

• Manufacturer Part Number: LTC3535EDD#PBF
• Description: IC DC/DC CONV 550MA DL 12-DFN
• Manufacturer: Linear Technology
• Type: Step-Up (Boost)r

Specifications of LTC3535EDD#PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 1.5 ~ 5.25 V
• Current - Output: 550mA
• Frequency - Switching: 1MHz
• Voltage - Input: 0.5 ~ 5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 12-DFN
• Primary Input Voltage: 6V
• No. Of Outputs: 2
• Output Voltage: 5.25V
• Output Current: 550mA
• No. Of Pins: 12
• Operating Temperature Range: -40°C To +85°C
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

LTC3535
4
TYPICAL PERFORMANCE CHARACTERISTICS
100
100
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
30
0.01
40
35
25
20
15
10
1.0
0
5
Efficiency vs Load Current
and V
Start-Up Delay Time vs V
1.0
Burst Mode Threshold Current
vs V
EFFICIENCY
V
L = 4.7µH
OUT
1.5
IN
IN
0.1
= 3.3V
for V
1.5
2.0
LOAD CURRENT (mA)
OUT
1
2.5
V
IN
V
= 5V
IN
2.0
(V)
ENTER BURST
LEAVE BURST
3.0
(V)
10
POWER LOSS
3.5
V
V
V
V
IN
2.5
100
IN
IN
IN
IN
= 1.2V
= 2.4V
= 3.6V
= 4.2V
4.0
3535 G03
3535 G07
3535 G08c
1000
4.5
3.0
100
10
1
0.1
0.01
1000
50
40
30
20
10
400
350
300
250
200
150
100
0
30
25
20
15
10
50
1.0
5
0
0
Burst Mode Threshold Current
vs V
0.5
Burst Mode Threshold Current
vs V
1
Maximum Output Current vs V
V
L = 4.7µH
V
L = 4.7µH
OUT
V
OUT
1.5
OUT
IN
1.0
IN
= 5V
V
= 1.8V
= 1.8V
OUT
2.0
1.5
ENTER BURST
= 2.5V
V
2.0
2.5
OUT
V
LEAVE BURST
IN
V
V
1.25
IN
= 3.3V
IN
(V)
2.5
3.0
(V)
(V)
LEAVE BURST
V
3.0
ENTER BURST
OUT
3.5
= 5V
3.5
L = 4.7µH
4.0
(Each Channel) T
3535 G08d
4.0
3535 G08a
IN
3535 G05
4.5
1.5
4.5
10000
1000
100
–1
–3
–2
40
35
30
25
20
15
10
10
3
2
0
1
0
5
1.5
0.65
1
Oscillator Frequency Change
vs V
A
Burst Mode Threshold Current
vs V
Minimum Load Resistance
During Start-Up vs V
NORMALIZED TO V
V
L = 4.7µH
= 25°C, unless otherwise noted.
OUT
2.0
OUT
IN
0.75
= 2.5V
1.25
2.5
0.85
3.0
V
LEAVE BURST
OUT
V
V
OUT
IN
IN
1.5
0.95
(V)
= 3.3V
(V)
3.5
(V)
ENTER BURST
IN
4.0
1.05
1.75
V
OUT
4.5
= 3.3V
3535 G08b
1.15
3535 G09
3526 G06
3535fa
5.0
2