LTC1707 LINER [Linear Technology], LTC1707 Datasheet - Page 4

• Manufacturer Part Number: LTC1707
• Description: High Efficiency Monolithic Synchronous Step-Down Switching Regulator
• Manufacturer: LINER [Linear Technology]

LTC1707
TYPICAL PERFOR A CE CHARACTERISTICS
4
1000
600
800
400
200
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
2.5
2.5
Maximum Output Current vs
Input Voltage
Switch Resistance
vs Input Voltage
V
OUT
MAIN SWITCH
V
V
OUT
3.5
OUT
= 1.5V
3.5
V
V
OUT
= 1.8V
OUT
= 2.9V
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
= 2.5V
4.5
= 3.3V
4.5
SYNCHRONOUS SWITCH
5.5
5.5
V
OUT
= 5V
6.5
6.5
W
T
L = 15 H
J
7.5
7.5
= 85 C
1707 G10
1707 G13
U
8.5
8.5
AC COUPLED
500mA/DIV
50mV/DIV
0.5V/DIV
1800
1400
1200
1000
1600
I
V
800
600
400
LOAD
200
OUT
I
TH
0
– 50
Switch Leakage Current
vs Temperature
Load Step Transient Response
FIGURE 1A
V
IN
– 25
= 8.4V
0
TEMPERATURE ( C)
25 s/DIV
25
SYNCHRONOUS
50
SWITCH
75
V
SWITCH
IN
100
= 5V
MAIN
1707 G11
1707 G14
125
AC COUPLED
200mA/DIV
20mV/DIV
5V/DIV
I
V
LOAD
0.9
0.7
0.6
0.5
0.4
0.2
0.8
0.3
0.1
SW
OUT
0
– 50
Switch Resistance
vs Temperature
Burst Mode Operation
FIGURE 1A
V
IN
– 25
= 5V
SYNCHRONOUS
0
TEMPERATURE ( C)
SWITCH
25
10 s/DIV
MAIN
SWITCH
50
I
75
LOAD
V
= 50mA
100
IN
1707 G12
= 5V
1707 G15
125