LTC1871EMS-7 Datasheet, PDF (6/36 Pages) Linear Technology – Wide Input Range, No RSENSE Current Mode Boost,

LTC1871
TYPICAL PERFORMANCE CHARACTERISTICS
RUN Thresholds vs V_IN
1.5
RUN Thresholds vs Temperature
1.40
R_T vs Frequency
1000
1.35
1.4
1.30
100
1.3
1.25
1.2
0
10
20
30
40
V_IN (V)
1871 G10
Frequency vs Temperature
325
320
315
310
305
300
295
290
285
280
275
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
1871 G13
INTV_CC Load Regulation
V_IN = 7.5V
5.2
5.1
5.0
0
10 20 30 40 50 60 70 80
INTV_CC LOAD (mA)
1871 G16
6
1.20
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
1871 G11
Maximum Sense Threshold
vs Temperature
160
155
150
145
140
–50 –25 0 25 50 75 100 125 150
TEMPERATURE (°C)
1871 G14
INTV_CC Line Regulation
5.4
5.3
5.2
5.1
0
5 10 15 20 25 30 35 40
V_IN (V)
1871 G17
10
0 100 200 300 400 500 600 700 800 900 1000
FREQUENCY (kHz)
1871 G12
SENSE Pin Current
vs Temperature
35
GATE HIGH
V_SENSE = 0V
30
25
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
1871 G15
INTV_CC Dropout Voltage
vs Current, Temperature
500
450
150°C
400
125°C
350
75°C
300
25°C
250
200
0°C
150
–50°C
100
50
0
0
5
10
15
20
INTV_CC LOAD (mA)
1871 G18
1871fe