LTC1707IS8 Linear Technology, LTC1707IS8 Datasheet - Page 4

• Manufacturer Part Number: LTC1707IS8
• Description: IC BUCK SYNC ADJ .6A 8SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1707IS8

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 8.5 V
• Current - Output: 600mA
• Frequency - Switching: 35kHz ~ 350kHz
• Voltage - Input: 2.85 ~ 8.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

LTC1707
TYPICAL PERFOR A CE CHARACTERISTICS
4
1000
800
600
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
3.5
= 1.5V
V
V
OUT
= 1.8V
OUT
= 2.9V
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
= 2.5V
= 3.3V
4.5
4.5
SYNCHRONOUS SWITCH
5.5
5.5
V
OUT
= 5V
6.5
6.5
W
T
L = 15 H
7.5
J
7.5
= 85 C
1707 G10
1707 G13
U
8.5
8.5
AC COUPLED
500mA/DIV
50mV/DIV
0.5V/DIV
1800
1600
1400
1200
1000
I
V
800
400
LOAD
600
200
OUT
I
TH
0
– 50
Switch Leakage Current
vs Temperature
V
V
L = 15 H
C
C
I
Burst Mode OPERATION
Load Step Transient Response
LOAD
IN
OUT
IN
OUT
V
IN
= 5V
= 22 F
– 25
= 3.3V
= 100 F
= 0mA TO 500mA
= 8.4V
0
TEMPERATURE ( C)
25 s/DIV
25
SYNCHRONOUS
50
SWITCH
75
SWITCH
100
MAIN
1707 G11
1707 G14
125
AC COUPLED
200mA/DIV
20mV/DIV
5V/DIV
I
V
LOAD
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
SW
OUT
0
– 50
Switch Resistance
vs Temperature
Burst Mode Operation
V
V
L = 15 H
C
C
I
LOAD
IN
OUT
IN
OUT
V
IN
= 5V
= 22 F
– 25
= 3.3V
= 100 F
= 5V
= 50mA
SYNCHRONOUS
0
TEMPERATURE ( C)
SWITCH
25
10 s/DIV
MAIN
SWITCH
50
75
100
1707 G12
1707 G15
125