LT1936EMS8E#TRPBF Linear Technology, LT1936EMS8E#TRPBF Datasheet - Page 17

• Manufacturer Part Number: LT1936EMS8E#TRPBF
• Description: IC REG SW 1.4A 8-MSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LT1936EMS8E#TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.2 ~ 31.3 V
• Current - Output: 1.4A
• Frequency - Switching: 500kHz
• Voltage - Input: 3.6 ~ 36 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP Exposed Pad, 8-HMSOP, 8-eMSOP
• Dc To Dc Converter Type: Step Down
• Pin Count: 8
• Input Voltage: 36V
• Output Voltage: 1.2 to 31.32V
• Switching Freq: 600kHz
• Output Current: 2.6A
• Package Type: MSOP EP
• Output Type: Adjustable
• Switching Regulator: Yes
• Line Regulation: 0.01%/V
• Mounting: Surface Mount
• Input Voltage (min): 3.6V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant

TYPICAL APPLICATIONS
3.6V TO 20V
3.6V TO 20V
ON OFF
ON OFF
V
V
IN
IN
D1: DFLS140L
D2: 1N4148
L1: TOKO D63CB
D1: DFLS140L
D2: 1N4148
L1: TOKO D63CB
C1
4.7μF
C1
4.7μF
1.8V Step-Down Converter
1.2V Step-Down Converter
SHDN
COMP
SHDN
COMP
V
V
V
V
IN
IN
LT1936
C
LT1936
C
D2
D2
BOOST
BOOST
GND
GND
SW
SW
FB
FB
6.3V TO 36V
0.22μF
0.22μF
ON OFF
R2
20k
100k
C3
C3
D1
V
IN
D1
4.7μH
3.3μH
10k
R1
L1
L1
C1
4.7μF
5V Step-Down Converter
SHDN
COMP
1936 TA05a
1936 TA06a
C2
47μF
×2
C2
47μF
×2
V
V
V
1.8V
1.3A
V
1.2V
1.3A
IN
LT1936
C
OUT
OUT
BOOST
GND
SW
FB
0.22μF
C3
R2
10k
D1
90
80
70
60
50
80
75
70
65
60
55
50
31.6k
15μH
D2
R1
L1
0
0
V
T
V
T
A
A
OUT
OUT
= 25°C
= 25°C
= 1.8V
= 1.2V
Effi ciency, 1.8V Output
Effi ciency, 1.2V Output
1936 TA04
C2
22μF
V
5V
1.2A
OUT
LOAD CURRENT (A)
LOAD CURRENT (A)
0.5
0.5
V
V
IN
V
IN
IN
= 12V
= 12V
= 5V
POWER LOSS
POWER LOSS
V
IN
1
1
= 5V
1936 TA05b
1936 TA06b
1.5
1.5
LT1936
0.5
0.5
2.0
1.5
1.0
0
2.0
1.5
1.0
0
17
1936fd