LTC1871EMS#TRPBF Linear Technology, LTC1871EMS#TRPBF Datasheet - Page 5

• Manufacturer Part Number: LTC1871EMS#TRPBF
• Description: IC CONTRLR CURRENT MODE 10-MSOP
• Manufacturer: Linear Technology
• Type: Step-Up (Boost), Flyback, Sepicr

Specifications of LTC1871EMS#TRPBF

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.23 ~ 72 V
• Current - Output: 50mA
• Frequency - Switching: 50kHz ~ 1MHz
• Voltage - Input: 2.5 ~ 36 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Number Of Pwm Outputs: 1
• On/off Pin: No
• Adjustable Output: No
• Topology: Boost/Buck/Flyback
• Switching Freq: 50 TO 1000kHz
• Duty Cycle: 97%
• Operating Supply Voltage (max): 36V
• Synchronous Pin: Yes
• Rise Time: 17ns
• Fall Time: 8ns
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 10
• Package Type: MSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
1.25
1.24
1.23
1.22
1.21
300
500
400
200
100
30
20
10
0
0
–50
–50
0
FB Voltage vs Temp
Shutdown Mode I
Burst Mode I
–25
–25
10
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
Q
V
vs Temperature
IN
20
50
50
(V)
Q
vs V
75
75
IN
100
100 125 150
30
125
1871 G04
1871 G01
1871 G07
150
40
1.231
1.230
1.229
18
14
12
10
16
20
15
10
8
6
4
0
5
0
2
–50
0
FB Voltage Line Regulation
Shutdown Mode I
Dynamic I
0
V
C
I
Q(TOT)
IN
L
–25
= 3300pF
= 5V
200
5
= 550μA + Qg • f
0
10
TEMPERATURE (°C)
Q
400
FREQUENCY (kHz)
vs Frequency
25
15
V
IN
600
50
Q
(V)
20
vs Temperature
75
800
25
100 125 150
1000
30
1871 G08
1871 G05
1871 G02
1200
35
600
500
100
400
300
200
60
50
40
30
20
10
60
50
10
40
30
20
0
0
0
–50
0
0
FB Pin Current vs Temperature
Burst Mode I
Gate Drive Rise and
Fall Time vs C
–25
2000
10
0
4000
TEMPERATURE (°C)
25
Q
L
C
vs V
V
6000
L
IN
LTC1871
50
20
(pF)
(V)
RISE TIME
IN
FALL TIME
75
8000
100
30
10000 12000
125 150
1871 G09
1871 G03
1871 G06
1871fe
5
40