Electronic component search and free download site. Transistors,MosFET ,Diode,Integrated circuits
English
한국어
日本語
русский
简体中文
español
Número de pieza
componentes Descripción
LTC3448 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC3448
1.5MHz/2.25MHz, 600mA Synchronous Step-Down Regulator with LDO Mode
Linear Technology
LTC3448 Datasheet PDF : 20 Pages
1
2
3
4
5
6
7
8
9
10
Next
Last
LTC3448
TYPICAL PERFOR A CE CHARACTERISTICS
(From Figure1a Except for the Resistive Divider Resistor Values)
R
DS(ON)
vs Temperature
0.6
0.5
0.4
0.3
0.2
MAIN SWITCH SYNCH SWITCH
0.1
2.5V
2.5V
3.6V
3.6V
4.2V
4.2V
0
–50 –25 0 25 50 75
TEMPERATURE (
°
C)
100 125
3448 G10
Switch Leakage vs Temperature
350
V
IN
= 5.5V
RUN = 0V
300
250
200
MAIN
SWITCH
150
100
SYNCHRONOUS
SWITCH
50
0
–50 –25
0 25 50 75
TEMPERATURE (
°
C)
100 125
3448 G13
Load Step
Dynamic Supply Current
vs Supply Voltage
340
I
LOAD
= 0A
320
T
A
= 25
°
C
300
280
2.25MHz
260
1.5MHz
240
220
Dynamic Supply Current
vs Temperature
320
V
IN
= 3.6V
I
LOAD
= 0A
300
280
2.25MHz
260
1.5MHz
240
220
200
2
3
4
5
SUPPLY VOLTAGE (V)
6
3448 G11
200
–50 –25
0 25 50 75
TEMPERATURE (
°
C)
100 125
3448 G12
Switch Leakage vs Input Voltage
10
RUN = 0V
T
A
= 25
°
C
1
SYNCHRONOUS
SWITCH
MAIN
SWITCH
Start-Up from Shutdown
RUN
5V/DIV
V
OUT
1V/DIV
0.1
I
L
500mA/DIV
0.01
0.001
0
1
2
3
4
5
6
INPUT VOLTAGE (V)
3448 G14
V
IN
= 3.6V
V
OUT
= 1.5V
I
LOAD
= 600mA
40
µ
s/DIV
3448 G15
Load Step
V
OUT
200mV/DIV
AC COUPLED
I
LOAD
100mA/DIV
I
L
500mA/DIV
V
IN
= 3.6V
10
µ
s/DIV
V
OUT
= 1.5V
I
LOAD
= 100
µ
A TO 200mA
C
OUT
= 10
µ
F
3448 G16
V
OUT
100mV/DIV
AC COUPLED
I
LOAD
250mA/DIV
I
L
500mA/DIV
V
IN
= 3.6V
10
µ
s/DIV
V
OUT
= 1.5V
I
LOAD
= 50mA TO 600mA
C
OUT
= 10
µ
F
3448 G17
3448f
5
Share Link:
datasheetq.com [
Privacy Policy
]
[
Request Datasheet
] [
Contact Us
]