LTC1266ACS Linear Technology, LTC1266ACS Datasheet - Page 5

• Manufacturer Part Number: LTC1266ACS
• Description: IC REG CNTRLR N/PCH MOSFET16SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck), Step-Up (Boost)r

Specifications of LTC1266ACS

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: Adjustable
• Current - Output: 50mA
• Frequency - Switching: 400kHz
• Voltage - Input: 3.5 ~ 18 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

TYPICAL PERFOR A CE CHARACTERISTICS
100
100
95
90
85
80
75
70
3.0
2.5
2.0
1.5
1.0
0.5
95
90
80
75
70
85
0
Efficiency vs Input Voltage
3
0
0
Efficiency vs Input Voltage
V
FIGURE 1 CIRCUIT
FIGURE 11 CIRCUIT
IN
I
DC Supply Current
LOAD
4
4
4
I
LOAD
= 5A
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
5
= 100mA
8
8
ACTIVE MODE
I
SLEEP MODE
LOAD
6
I
LOAD
12
= 1A
12
I
LOAD
= 100mA
7
I
LOAD
= 2.5A
W
16
16
8
= 2.5A
1266 G01
1266 G04
1266 G07
U
20
20
9
– 40
– 40
–20
–30
–20
–30
–10
–10
40
30
20
10
40
30
20
10
25
20
15
10
0
0
5
0
3
0
Line Regulation
Line Regulation
0
Power V
FIGURE 1 CIRCUIT
I
FIGURE 11 CIRCUIT
I
LOAD
LOAD
4
= 1A
= 1A
4
4
IN
ACTIVE MODE
SLEEP MODE
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
DC Supply Current
5
8
8
6
12
12
7
16
8
16
1266 G02
1266 G05
1266 G08
LTC1266-3.3/LTC1266-5
20
9
–10
–40
–10
–20
–50
–20
–30
–30
–40
20
10
30
20
10
50
40
30
20
10
0
0
0
0
Load Regulation
0
Load Regulation
0
Supply Current in Shutdown
FIGURE 1 CIRCUIT
FIGURE 11 CIRCUIT
OPERATION INHIBITED)
V
IN
0.5
= 5V (Burst Mode
1
OPERATION ENABLED)
V
V
OPERATION ENABLED)
IN
5
IN
LOAD CURRENT (A)
LOAD CURRENT (A)
= 12V (Burst Mode
V
1.0
INPUT VOLTAGE (V)
= 9V (Burst Mode
IN
V
IN
= 5V
2
= 5V
1.5
V
OPERATION INHIBITED)
10
IN
V
PWR V
LTC1266
= 5V (Burst Mode
IN
3
2.0
IN
15
4
2.5
1266 G06
1266 G03
1266 G09
5
3.0
5
20