LTC3525LESC6-3#TRMPBF Linear Technology, LTC3525LESC6-3#TRMPBF Datasheet - Page 5
LTC3525LESC6-3#TRMPBF
Manufacturer Part Number
LTC3525LESC6-3#TRMPBF
Description
IC DC/DC CONV 3V SC70-6
Manufacturer
Linear Technology
Type
Step-Up (Boost)r
Datasheet
1.LTC3525LESC6-3TRPBF.pdf
(12 pages)
Specifications of LTC3525LESC6-3#TRMPBF
Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
1
Voltage - Output
3V
Current - Output
400mA
Voltage - Input
0.5 ~ 4.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SC-70-6, SC-88, SOT-363
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Frequency - Switching
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
SHDN (Pin 1): Logic-Controlled Shutdown Input. Connect
to a voltage >0.88V to enable the LTC3525L-3. Connect to
a voltage <0.3V to disable the LTC3525L-3.
GND (Pins 2, 5): Ground.
V
from V
than (V
ceramic bypass capacitor from V
value of 1µF is recommended.
PIN FUNCTIONS
BLOCK DIAGRAM
IN
(Pin 3): Input Voltage. The LTC3525L-3 is powered
SHDN
IN
IN
+ 0.2V typical), it is powered from V
until V
1
SHUTDOWN
SHUTDOWN
OUT
V
THERMAL
OUT
V
UVLO
V
BEST
REF
SHUTDOWN
exceeds V
START-UP
VB
SHUTDOWN
V
REF
TSD
UVLO
IN
V
SEL
. Once V
IN
to GND. A minimum
GATE DRIVERS
CONDUCTION
ANTI-CROSS
LOGIC
AND
OUT
OUT
is greater
. Place a
5
I
PK
GND
I
VAL
WAKE
COMPARATOR
6
10µH
INTEGRATOR
–
+
2
SW
I
PK
ADJUST
GND
OFFSET
COMPARATOR
V
Synchronous Rectifier. Connect the output filter capacitor
from V
10µF ceramic is recommended. Use 22µF for reduced
output ripple. The output disconnect feature disconnects
V
SW (Pin 6): Switch Pin. Connect an inductor from this
pin to V
across SW and V
to zero to minimize EMI.
OUT
OUT
I
VALLEY
–
+
+
–
(Pin 4): Output Voltage Sense and the Output of the
from V
ADJUST
OUT
IN
COMPARATOR
. An internal antiringing resistor is connected
SLEEP
to GND, close to the IC. A minimum value of
–
+
IN
OFFSET
when SHDN is <0.3V.
IN
V
FB
REF
after the inductor current has dropped
+
–
ADJUST
SWITCH
WELL
3
V
IN
LTC3525L-3
3525L BD
4
V
OUT
1µF
10µF
V
V
IN
OUT
3525lfa
5