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LTC3528EDDB-2#TRMPBF
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
L
TC3528-2
4
35282fb
Maximum Output Current vs V
IN
Minimum Load Resistance During
Start-Up vs V
IN
Start-Up Delay Time vs V
IN
Efficiency vs Load Current
and V
IN
for V
OUT
= 5V
Efficiency vs Load Current
and V
IN
for V
OUT
= 3.3V
V
IN
(V)
1
I
OUT
(mA)
700
2.5
35282 G05
400
200
1.5
2
3
100
0
800
600
500
300
3.5
4
4.5
V
OUT
= 1.8V
V
OUT
= 3.3V
V
OUT
= 5V
V
IN
(V)
0.7
10
R
LOAD
(Ω)
1000
100
10000
0.8
0.9
1
35282 G06
V
IN
(V)
1
DELA
Y (µs)
120
2.5
35282 G07
90
70
1.5
2
3
60
50
130
110
100
80
3.5
4
4.5
TYPICAL
PERFORMANCE
CHARACTERISTICS
(T
A
= 25°C unless other
wise noted)
LOAD CURRENT (mA)
0.01
80
90
100
100
35282 G02
70
60
0.1
1
10
1000
50
40
30
100
1000
10
1
0.1
0.01
EFFICIENCY (%)
POWER LOSS (mW)
V
IN
= 1.2V
V
IN
= 1.8V
V
IN
= 2.4V
V
IN
= 3V
EFFICIENCY
POWER
LOSS
LOAD CURRENT (mA)
0.01
80
90
100
100
35282 G03
70
60
0.1
1
10
1000
50
40
30
100
1000
10
1
0.1
EFFICIENCY (%)
POWER LOSS (mW)
V
IN
= 1.2V
V
IN
= 2.4V
V
IN
= 3.6V
V
IN
= 4.2V
EFFICIENCY
POWER
LOSS
V
IN
(V)
1
10
I
IN
(µA)
30
50
70
90
110
130
2
3
4
5
35282 G04
V
OUT
= 1.8V
V
OUT
= 3V
V
OUT
= 3.3V
V
OUT
= 5V
No-Load Input Current vs V
IN
Burst Mode Threshold Current
vs V
IN
Burst Mode Threshold Current
vs V
IN
Burst Mode Threshold Current
vs V
IN
V
IN
(V)
1
I
OUT
(mA)
40
60
1.4
35282 G08
20
0
1.1
1.2
1.3
1.5
80
V
OUT
= 1.8V
ENTER BURST
EXIT BURST
V
IN
(V)
1
I
OUT
(mA)
40
60
35282 G09
20
0
1.5
2
2.5
80
V
OUT
= 3V
ENTER BURST
EXIT BURST
V
IN
(V)
1
I
OUT
(mA)
40
60
3
35282 G10
20
0
1.5
2
2.5
80
V
OUT
= 3.3V
ENTER BURST
EXIT BURST
L
TC3528-2
5
35282fb
Oscillator Frequency Change
vs V
OUT
R
DS(ON)
vs V
OUT
Oscillator Frequency Change
vs T
emperature
R
DS(ON)
Change vs T
emperature
V
FB
vs T
emperature
Start-Up Voltage vs T
emperature
TYPICAL
PERFORMANCE
CHARACTERISTICS
(T
A
= 25°C unless other
wise noted)
Burst Mode Threshold Current
vs V
IN
V
IN
(V)
1
0
I
OUT
(mA)
20
40
60
80
1.5
2
2.5
3
35242 G11
3.5
4
V
OUT
= 5V
ENTER BURST
EXIT BURST
V
OUT
(V)
1.5
FREQUENCY CHANGE (%)
–1.50
0
0.25
0.50
2.5
3.5
4
35282 G12
–2.00
–0.50
–1.00
–1.75
–0.25
–2.25
–0.75
–1.25
2
3
4.5
5
V
OUT
(V)
1.5
300
350
450
3
4
35282 G13
250
200
2
2.5
3.5
4.5
5
150
100
400
R
DS(ON)
(mΩ)
PMOS
NMOS
TEMPERATURE (˚C)
–50
FREQUENCY CHANGE (%)
0
1
2
25
75
35282 G14
–1
–2
–25
0
50
100
125
–3
–4
TEMPERATURE (°C)
–50
1.196
V
FB
(V)
1.197
1.198
1.199
1.200
–25
0
25
50
35282 G16
75
100
125
TEMPERATURE (°C)
–50
–25
600
START-UP VOLTAGE (mV)
700
850
0
50
75
35282 G17
650
800
750
25
100
125
Output Voltage vs Load Current
for V
OUT
= 5V
LOAD CURRENT (mA)
0
CHANGE IN OUTPUT VOLTAGE (%)
–0.05
0
0.05
3528-2 G27
–0.10
–0.15
–0.20
200
400
0.10
0.15
0.20
V
IN
= 3.6V
600
Output Voltage vs Load Current
for V
OUT
= 3.3V
LOAD CURRENT (mA)
0
CHANGE IN OUTPUT VOLTAGE (%)
–0.05
0
0.05
35282 G28
–0.10
–0.15
–0.20
100
50
150
0.10
0.15
0.20
V
IN
= 1.2V
200
TEMPERATURE (˚C)
–50
CHANGE (%)
20
30
40
25
75
35282 G15
10
0
–25
0
50
100
125
–10
–20
L
TC3528-2
6
35282fb
Load Step Response (Burst Mode
Operation, 3.6V to 5V)
V
OUT
and I
IN
During Soft-Start
TYPICAL
PERFORMANCE
CHARACTERISTICS
(T
A
= 25°C unless other
wise noted)
V
OUT
1V/DIV
SHDN
PIN
200µs/DIV
35282 G21
V
IN
= 1.2V
V
OUT
= 3.3V
C
OUT
= 10µF
L = 2.2µH
I
IN
200mA/DIV
V
OUT
100mV/DIV
20µs/DIV
35282 G23
V
IN
= 3.6V
V
OUT
= 5V
C
OUT
= 10µF
L = 2.2µH
LOAD CURRENT = 20mA TO 550mA
LOAD
CURRENT
200mA/DIV
Load Step Response (Fixed
Frequency, 1.2V to 3.3V)
Load Step Response (Burst Mode
Operation, 1.2V to 3.3V)
V
OUT
100mV/DIV
20µs/DIV
35282 G24
V
IN
= 1.2V
V
OUT
= 3.3V
C
OUT
= 10µF
L = 2.2µH
LOAD CURRENT = 20mA TO 170mA
LOAD
CURRENT
100mA/DIV
V
OUT
100mV/DIV
20µs/DIV
35282 G25
V
IN
= 1.2V
V
OUT
= 3.3V
C
OUT
= 10µF
L = 2.2µH
LOAD CURRENT = 10mA TO 160mA
LOAD
CURRENT
100mA/DIV
Load Step Response (Fixed
Frequency, 3.6V to 5V)
V
OUT
100mV/DIV
20µs/DIV
35282 G22
V
IN
= 3.6V
V
OUT
= 5V
C
OUT
= 10µF
L = 2.2µH
LOAD CURRENT = 100mA TO 550mA
LOAD
CURRENT
200mA/DIV
Fixed Frequency V
OUT
Ripple and
Inductor Current Waveforms
V
OUT
20mV/DIV
500ns/DIV
35282 G19
V
IN
= 1.2V
V
OUT
= 3.3V
C
OUT
= 10µF
C
FF
= 33pF
I
OUT
= 100mA
L = 2.2µH
I
L
200mA/DIV
Burst Mode Waveforms
5µs/DIV
35282 G20
V
IN
= 3.6V
V
OUT
= 5V
C
OUT
= 10µF
C
FF
= 33pF
I
LOAD
= 30mA
V
OUT
50mV/DIV
INDUCTOR
CURRENT
100mA/DIV
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
LTC3528EDDB-2#TRMPBF
Mfr. #:
Buy LTC3528EDDB-2#TRMPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 1A, 2MHz Synchronous Step-Up DC/DC Converter in 2mm x 3mm DFN
Lifecycle:
New from this manufacturer.
Delivery:
DHL
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Ups
TNT
EMS
Payment:
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