LTC3127EMSE#PBF Linear Technology, LTC3127EMSE#PBF Datasheet - Page 5
LTC3127EMSE#PBF
Manufacturer Part Number
LTC3127EMSE#PBF
Description
IC BUCK BOOST SYNC ADJ 12MSOP
Manufacturer
Linear Technology
Datasheet
1.LTC3127EDDPBF.pdf
(20 pages)
Specifications of LTC3127EMSE#PBF
Applications
Energy Harvesting
Current - Supply
400µA
Voltage - Supply
1.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
12-MSOP Exposed Pad
Primary Input Voltage
3.6V
No. Of Outputs
1
Output Voltage
5.25V
Output Current
1A
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Typical perForMance characTerisTics
–0.20
–0.40
–0.80
–0.60
0.20
0.00
325
275
125
225
175
–50
1.8
Feedback Voltage vs Temperature
(Normalized)
PMOS R
L = 4.7µH
V
V
OUT
IN
= 3.6V
–30
2.4
= 3.3V
500mA/DIV
100mV/DIV
–10
DS(ON)
TEMPERATURE (°C)
3
1A/DIV
I
SWA
V
LOAD
OUT
10
I
V
IN
vs V
IN
3.6
V
R
R3 = 499k
Load Transient Response in Fixed
Frequency Mode, No Load to 1A,
in Input Current Limit
MODE = 0V
(V)
IN
PROG
SWD
30
IN
= 3.6V
4.2
= 32.4k
50
4.8
70
V
C
C1 = 100pF
3127 G09
OUT
OUT
3127 G12
200µs/DIV
= 3.3V
= 4.4mF
90
5.4
–0.10
–0.20
–0.30
–0.40
–0.50
–0.60
2250
2000
1500
1250
1000
1750
0.40
0.30
0.20
0.10
750
500
250
0
0
1.8
0
V
(Normalized)
Maximum Load Current vs V
V
R
3127 G15
OUT
OUT
PROG
2.2
V
= 3.3V
OUT
Regulation vs Load Current
200
= 90k
2.6
= 2.4V
LOAD CURRENT (mA)
3
400
3.4
V
IN
500mA/DIV
V
20mV/DIV
3.8
OUT
(V)
600
V
= 5V
4.2
OUT
I
V
L
Burst Mode Operation
OUT
V
R
R3 = 499k
4.6
IN
PROG
800
= 3.3V
= 3.6V
IN
5
= 32.4k
(T
3127 G13
3127 G10
5.4
J
1000
= 25°C, unless otherwise noted )
V
C
C1 = 100pF
OUT
OUT
50mV/DIV
5µs/DIV
1A/DIV
1A/DIV
1A/DIV
= 3.3V
= 4.4mF
I
V
LOAD
300
250
100
200
150
OUT
I
IN
I
L
1.8
NMOS R
Load Transient Response in Fixed
Frequency Mode, No Load to 1A,
Not in Input Current Limit
V
R
R3 = 499k
IN
PROG
= 3.6V
2.4
= 90k
DS(ON)
3127 G16
3
V
C
C1 = 100pF
OUT
OUT
SWB
200µs/DIV
V
vs V
= 3.3V
= 4.4mF
IN
LTC3127
3.6
(V)
SWC
IN
4.2
4.8
3127 G11
3127 G14
3127f
5.4