LTC1474IS8-5#TRPBF Linear Technology, LTC1474IS8-5#TRPBF Datasheet - Page 4

• Manufacturer Part Number: LTC1474IS8-5#TRPBF
• Description: IC CONV STEP-DWN HI-EFF 8-SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1474IS8-5#TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Output: 750mA
• Voltage - Input: 3 ~ 18 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Frequency - Switching: -

LTC1474/LTC1475
TYPICAL PERFORMANCE CHARACTERISTICS
4
100
500
400
300
200
100
1.0
0.8
0.6
0.4
0.2
95
90
85
80
75
70
0
0
Efficiency vs Input Voltage
0
Current Trip Threshold vs
Temperature
0
Switch Leakage Current vs
Temperature
0
V
V
IN
IN
= 18V
= 10V
20
4
20
INPUT VOLTAGE (V)
TEMPERATURE ( C)
TEMPERATURE ( C)
40
I
LOAD
8
I
40
LOAD
= 25mA
R
R
FIGURE 1 CIRCUIT
L: CDRH73-101
SENSE
SENSE
60
= 1mA
12
I
LOAD
= 0
= 1.1
60
W
= 200mA
80
1474/75 G01
1474/75 G04
1474/75 G07
16
U
100
80
–10
–20
120
100
40
30
20
10
80
60
40
20
0
0
5
4
3
2
1
0
Line Regulation
0
Switch Resistance vs
Input Voltage
0
V
0
IN
FIGURE 1 CIRCUIT
I
LOAD
DC Supply Current
= 100mA
4
4
5
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
ACTIVE MODE
SLEEP MODE
8
8
T = 70 C
T = 25 C
10
R
SENSE
12
R
12
SENSE
= 0
15
16
= 0.33
1474/75 G02
1474/75 G08
1474/75 G05
16
20
20
–10
–20
–30
10.0
40
30
20
10
7.5
5.0
2.5
80
60
40
20
0
0
0
0
Load Regulation
Off-Time vs Output Voltage
Supply Current in Shutdown
0
0
FIGURE 1 CIRCUIT
% OF REGULATED OUTPUT VOLTAGE (%)
50
20
5
LOAD CURRENT (mA)
100
INPUT VOLTAGE (V)
40
150
10
V
V
V
IN
IN
IN
60
= 15V
= 10V
= 5V
200
15
V
IN
80
250
= 10V
1474/75 G03
1474/75 G09
1474/75 G06
300
100
20