LT1767EMS8E#PBF Linear Technology, LT1767EMS8E#PBF Datasheet - Page 4

• Manufacturer Part Number: LT1767EMS8E#PBF
• Description: IC, STEP-DOWN REGULATOR, MSOP-8
• Manufacturer: Linear Technology

Specifications of LT1767EMS8E#PBF

• Primary Input Voltage: 25V
• No. Of Outputs: 1
• Output Voltage: 20V
• Output Current: 3A
• No. Of Pins: 8
• Operating Temperature Range: -40°C To +125°C
• Supply Voltage Range: 3V To 25V
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS 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