LT1912EMSE#PBF Linear Technology, LT1912EMSE#PBF Datasheet - Page 5

• Manufacturer Part Number: LT1912EMSE#PBF
• Description: IC, STEP-DOWN REGULATOR, MSOP-10
• Manufacturer: Linear Technology

Specifications of LT1912EMSE#PBF

• Primary Input Voltage: 36V
• No. Of Outputs: 1
• Output Voltage: 20V
• Output Current: 2A
• No. Of Pins: 10
• Operating Temperature Range: -40°C To +125°C
• Supply Voltage Range: 3.6V To 36V
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
840
820
800
780
760
140
120
100
80
60
40
20
0
–50
–50
Feedback Voltage
Minimum Switch On-Time
–25
–25
0
0
TEMPERATURE (°C)
TEMPERATURE (˚C)
25
25
1.4
1.2
1.0
0.8
0.6
0.4
0.2
50
50
0
0
Boost Diode
75
75
100
100
BOOST DIODE CURRENT (A)
0.5
125
125
1912 G09
1912 G12
150
150
1.0
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
1.0
4.0
3.5
3.0
2.5
2.0
1.5
0.5
0
1.5
–50
0
Switching Frequency
Soft-Start
–25
0.5
1912 G15
2.0
RUN/SS PIN VOLTAGE (V)
0
1
TEMPERATURE (°C)
25
1.5
50
2
–10
–20
–30
–40
–50
75
50
40
30
20
10
0
–200
2.5
Error Amp Output Current
100
125
3
T
1912 G13
1912 G10
–100
FB PIN ERROR VOLTAGE (V)
A
= 25°C, unless otherwise noted.
3.5
150
0
1.2
1.0
0.6
0.4
0.8
0.2
12
10
0
4
0
8
6
2
0
Frequency Foldback
0
RUN/SS Pin Current
100
100
5
200
RUN/SS PIN VOLTAGE (V)
1912 G16
10
FB PIN VOLTAGE (mV)
300
200
15
400
500
20
LT1912
600
25
700
30
800
1912 G11
1912 G14
1912fa
5
900
35