LT1767EMS8#PBF Linear Technology, LT1767EMS8#PBF Datasheet - Page 4

• Manufacturer Part Number: LT1767EMS8#PBF
• Description: IC SW REG STEP-DWN 1.25MHZ 8MSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LT1767EMS8#PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.2 ~ 20 V
• Current - Output: 1.5A
• Frequency - Switching: 1.25MHz
• Voltage - Input: 3 ~ 25 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Dc To Dc Converter Type: Step Down
• Pin Count: 8
• Input Voltage: 25V
• Output Voltage: 1.2 to 20V
• Switching Freq: 1.4MHz
• Output Current: 1.5A
• Package Type: MSOP
• Output Type: Adjustable
• Switching Regulator: Yes
• Mounting: Surface Mount
• Input Voltage (min): 3V
• Operating Temp Range: -40C to 125C
• Operating Temperature Classification: Automotive
• Primary Input Voltage: 25V
• No. Of Outputs: 1
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 1 - Unlimited
• Supply Voltage Range: 3V To 25V
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant

LT1767/LT1767-1.8/
LT1767-2.5/LT1767-3.3/LT1767-5
TYPICAL PERFOR A CE CHARACTERISTICS
4
1.40
1.38
1.36
1.34
1.32
1.30
3.5
3.3
3.1
2.9
2.7
2.5
2.0
1.5
1.0
0.5
0.001
0
–50
0
SHDN Threshold vs Temperature
Minimum Input Voltage for 2.5V Out
Current Limit Foldback
–25
0.2
FEEDBACK VOLTAGE (V)
0
TEMPERATURE ( C)
LOAD CURRENT (A)
0.01
0.4
SWITCH CURRENT
FB CURRENT
25
0.6
50
0.1
0.8
75
W
100
1
1767 G04
1767 G07
1767 G10
U
125
1.2
1
40
30
20
10
0
300
250
200
150
100
50
7
6
5
4
3
2
1
0
0
1.5
1.3
1.1
0.9
0.7
0.5
SHDN Supply Current vs V
0
SHDN Supply Current
0
SHDN = 0V
V
0
Maximum Load Current,
V
IN
0.2
OUT
= 15V
5
SHUTDOWN VOLTAGE (V)
= 5V
0.4
5
10
INPUT VOLTAGE (V)
0.6
V
IN
10
15
(V)
0.8
20
15
1
IN
L = 4.7 H
L = 2.2 H
L = 1.5 H
25
1.2
20
1767 G05
1767 G08
1767 G11
1.4
30
25
1200
1000
–12
–10
800
600
400
200
–8
–6
–4
–2
1.5
1.3
1.1
0.9
0.7
0
0
–50
0
Input Supply Current
SHDN I
0
Maximum Load Current,
V
OUT
–25
5
= 2.5V
P
5
MINIMUM
VOLTAGE
Current vs Temperature
0
TEMPERATURE ( C)
INPUT VOLTAGE (V)
INPUT
10
SHUTTING DOWN
INPUT VOLTAGE (V)
STARTING UP
25
10
15
50
15
20
75
L = 4.7 H
L = 2.2 H
L = 1.5 H
sn1767 1767fas
25
20
100
1767 G06
1767 G09
1767 G12
125
30
25