LTC1871IMS-1#TRPBF Linear Technology, LTC1871IMS-1#TRPBF Datasheet - Page 3

• Manufacturer Part Number: LTC1871IMS-1#TRPBF
• Description: IC CONTRLR CURRENT MODE 10-MSOP
• Manufacturer: Linear Technology
• Type: Step-Up (Boost), Flyback, Sepicr

Specifications of LTC1871IMS-1#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 ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
SYMBOL
V
V
V
I
V
I
ΔV
ΔV
ΔV
ΔV
ΔV
g
V
V
I
I
Oscillator
f
D
f
t
t
V
V
R
V
RUN
FB
SENSE(ON)
SENSE(OFF)
OSC
SYNC/
SYNC(MIN)
SYNC(MAX)
m
RUN
RUN
RUN(HYST)
FB
ITH(BURST)
SENSE(MAX)
IL(MODE)
IH(MODE)
FREQ
MAX
MODE/SYNC
FB
IN
FB
ITH
FB(OV)
+
–
f
OSC
PARAMETER
Rising RUN Input Threshold Voltage
Falling RUN Input Threshold Voltage
RUN Pin Input Threshold Hysteresis
RUN Input Current
Feedback Voltage
FB Pin Input Current
Line Regulation
Load Regulation
ΔFB Pin, Overvoltage Lockout
Error Amplifi er Transconductance
Burst Mode Operation I
Maximum Current Sense Input Threshold
SENSE Pin Current (GATE High)
SENSE Pin Current (GATE Low)
Oscillator Frequency
Oscillator Frequency Range
Maximum Duty Cycle
Recommended Maximum Synchronized
Frequency Ratio
MODE/SYNC Minimum Input Pulse Width
MODE/SYNC Maximum Input Pulse Width
Low Level MODE/SYNC Input Voltage
High Level MODE/SYNC Input Voltage
MODE/SYNC Input Pull-Down Resistance
Nominal FREQ Pin Voltage
TH
Pin Voltage
A
= 25°C. V
CONDITIONS
I-Grade (Note 2)
V
V
V
2.5V ≤ V
2.5V ≤ V
V
V
I-Grade (Note 2)
V
I
Falling I
Duty Cycle < 20%
Duty Cycle < 20%, I-Grade (Note 2)
V
V
R
R
I-Grade (Note 2)
I-Grade (Note 2)
f
f
V
V
I-Grade (Note 2)
I-Grade (Note 2)
TH
OSC
OSC
ITH
ITH
ITH
MODE/SYNC
MODE/SYNC
FB(OV)
SENSE
SENSE
SYNC
SYNC
FREQ
FREQ
Pin Load = ±5μA (Note 5)
= 300kHz (Note 6)
= 300kHz (Note 6), I-Grade (Note 2)
= 0.4V (Note 5)
= 0.4V (Note 5), I-Grade (Note 2)
= 0.4V (Note 5)
= 80k
= 80k, I-Grade (Note 2)
= 0V to 5V
= 0V to 5V
The
= 0V
= 30V
– V
TH
IN
IN
IN
= 5V, V
Voltage (Note 5)
≤ 30V
≤ 30V, I-Grade (Note 2)
FB(NOM)
l
= 0V, V
= 0V, V
denotes the specifi cations which apply over the full operating
RUN
ITH
ITH
in Percent
= 1.5V, R
= 0.5V to 0.9V (Note 5)
= 0.5V to 0.9V (Note 5)
FREQ
= 80k, V
MODE/SYNC
●
●
●
●
●
●
●
●
●
●
●
●
●
●
1.223
1.198
1.218
1.212
1.205
MIN
120
100
250
250
2.5
1.2
1.2
– 1
– 1
50
35
50
50
87
87
= 0V, unless otherwise specifi ed.
0.8/f
LTC1871-1
1.348
1.248
1.230
0.002
0.002
–0.1
–0.1
1.25
1.25
0.62
TYP
100
100
650
195
150
300
300
0.1
18
35
92
92
25
50
1
6
OSC
1.273
1.298
1.242
1.248
1.255
MAX
1000
1000
0.02
0.03
1.30
1.30
150
175
180
200
350
350
0.3
0.3
60
60
10
50
97
97
5
UNITS
18711fb
μmho
3
%/V
%/V
kHz
kHz
kHz
kHz
mV
mV
mV
mV
mV
kΩ
nA
nA
μA
μA
ns
ns
%
%
%
%
%
V
V
V
V
V
V
V
V
V
V
V