LTC3718EG Linear Technology, LTC3718EG Datasheet - Page 5

• Manufacturer Part Number: LTC3718EG
• Description: IC DC/DC CONTRLR DDR/QDR 24-SSOP
• Manufacturer: Linear Technology

Specifications of LTC3718EG

• Applications: Controller, DDR, QDR
• Voltage - Input: 1.5 ~ 36 V
• Number Of Outputs: 1
• Voltage - Output: 0.75 ~ 18 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 24-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TYPICAL PERFOR A CE CHARACTERISTICS
1000
800
600
400
200
0
On-Time vs V
0
I
ION
= 30 A
200mV/DIV
5A/DIV
V
V
1
OUT
ON
I
ON
450
400
350
300
250
200
150
100
L
50
VOLTAGE (V)
0
1.5
Voltage
Frequency vs Input Voltage
Load-Step Transient
V
V
LOAD = 500mA TO 10A STEP
FIGURE 1 CIRCUIT
IN
OUT
V
FIGURE 1 CIRCUIT
= 2.5V
OUT
1.7
= 1.25V
2
= 1.25V
W
1.9
INPUT VOLTAGE (V)
LOAD = 10A
LOAD = 0A
2.1
3718 G11
U
20 s/DIV
3
2.3
2.5
300
250
100
200
150
2.7
50
0
–50
3718 G10.eps
On-Time vs Temperature
3718 G07
I
2.9
ION
–25
= 30 A
0
TEMPERATURE ( C)
25
50
75
1V/DIV
2A/DIV
V
OUT
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
I
100
L
0
3718 G12
0
Load Regulation
Start-Up Response
V
V
LOAD = 0.2
FIGURE 1 CIRCUIT
125
IN
OUT
FIGURE 1 CIRCUIT
1
= 2.5V
= 1.25V
2
3
LOAD CURRENT (A)
100
10k
1k
10
4
4ms/DIV
1
On-Time vs I
5
6
V
V
IN
OUT
7
I
= 2.5V
ON
= 1.25V
8
ON
CURRENT ( A)
3718 G09.eps
3718 G08
9
Current
10
LTC3718
10
V
VON
3718 G13
= 0V
3718fa
5
100