OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

LTC3448EDD#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
16
LTC34 48
3448f
TYPICAL APPLICATIO S
U
Single Li-Ion 1.2V/600mA Regulator for
High Efficiency and Small Footprint Efficiency vs Output Current
Load StepLoad Step
V
IN
9
1
3
316k
C
IN
: TAIYO YUDEN JMK212BJ475MG
C
OUT
: TAIYO YUDEN JMK212BJ475MG
*MURATA LQH32CN2R2M33
316k
2
5
C
IN
4.7µF
CER
V
IN
2.7V
TO 5.5V
LTC3448
FREQ
SYNC
2.2µH*
3448 TA07
SW
4
8
6
7
RUN
V
OUT
MODE
V
FB
GND
C
OUT
10µF
CER
22pF
V
OUT
1.2V
LOAD CURRENT (A)
30
EFFICIENCY (%)
90
100
20
10
80
50
70
60
40
0.0001 0.01 0.1 1
23448 G02
0
0.001
V
OUT
= 1.2V
T
A
= 25°C
V
IN
= 2.7V
V
IN
= 3.6V
V
IN
= 4.2V
V
OUT
100mV/DIV
AC COUPLED
I
LOAD
100mA/DIV
I
L
500mA/DIV
V
IN
= 3.6V
V
OUT
= 1.2V
I
LOAD
= 100µA TO 200mA
20µs/DIV
3448 TA09
V
OUT
100mV/DIV
AC COUPLED
I
LOAD
250mA/DIV
I
L
500mA/DIV
V
IN
= 3.6V
V
OUT
= 1.2V
I
LOAD
= 50mA TO 600mA
20µs/DIV
3448 TA10
17
LTC34 48
3448f
TYPICAL APPLICATIO S
U
Single Li-Ion 2.5V/600mA Regulator with 1.8MHz External
Synchronization and External MODE
V
IN
9
1
3
1.58M
500k
2
5
C
IN
4.7µF
CER
V
IN
2.5V TO 5.5V
TO
µPROCESSOR
CONTROL
TO 0V TO 1.3V
OR GREATER 1.8MHz
EXTERNAL CLOCK
LTC3448
FREQ
SYNC
2.2µH
3448 TA12
SW
4
8
6
7
RUN
V
OUT
MODE
V
FB
GND
C
OUT
10µF
CER
C
FF
22pF
V
OUT
2.5V
600mA
Single Li-Ion 1.2V/600mA Regulator with 2.5MHz External Synchronization
V
IN
9
1
3
316k
316k
2
5
C
IN
4.7µF
CER
V
IN
2.5V TO 5.5V
TO 0V TO 1.3V OR
GREATER 2.5MHz
EXTERNAL CLOCK
LTC3448
FREQ
SYNC
2.2µH
3448 TA13
SW
4
8
6
7
RUN
V
OUT
MODE
V
FB
GND
C
OUT
10µF
CER
C
FF
22pF
V
OUT
1.2V
600mA
V
OUT
100mV/DIV
AC COUPLED
LDOCNTRL
2V/DIV
I
LOAD
250mA/DIV
V
IN
= 3.6V
V
OUT
= 2.5V
I
LOAD
= 100µA TO 300mA
40µs/DIV
3448 TA12b
V
OUT
100mV/DIV
AC COUPLED
LDOCNTRL
2V/DIV
I
LOAD
250mA/DIV
V
IN
= 3.6V
V
OUT
= 2.5V
I
LOAD
= 100µA TO 600mA
40µs/DIV
3448 TA12c
Load Step Load Step
18
LTC34 48
3448f
U
PACKAGE DESCRIPTIO
DD Package
8-Lead Plastic DFN (3mm × 3mm)
(Reference LTC DWG # 05-08-1698)
3.00 ±0.10
(4 SIDES)
NOTE:
1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WEED-1)
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
ON TOP AND BOTTOM OF PACKAGE
0.38 ± 0.10
BOTTOM VIEW—EXPOSED PAD
1.65 ± 0.10
(2 SIDES)
0.75 ±0.05
R = 0.115
TYP
2.38 ±0.10
(2 SIDES)
14
85
PIN 1
TOP MARK
(NOTE 6)
0.200 REF
0.00 – 0.05
(DD8) DFN 1203
0.25 ± 0.05
2.38 ±0.05
(2 SIDES)
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
1.65 ±0.05
(2 SIDES)2.15 ±0.05
0.50
BSC
0.675 ±0.05
3.5 ±0.05
PACKAGE
OUTLINE
0.25 ± 0.05
0.50 BSC
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

LTC3448EDD#TRPBF

Mfr. #:
Buy LTC3448EDD#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 600mA, Synch Step-Down Reg in DFN
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet