LT1316 LINER [Linear Technology], LT1316 Datasheet - Page 3

• Manufacturer Part Number: LT1316
• Description: Micropower DC/DC Converter with Programmable Peak Current Limit
• Manufacturer: LINER [Linear Technology]

Commercial grade 0 C to 70 C, Industrial grade – 40 C to 85 C, V
PARAMETER
Switch OFF Time
Switch ON Time
Maximum Duty Cycle
Switch Saturation Voltage
Switch Leakage
Commercial grade 0 C to 70 C, V
FB Comparator Trip Point
Peak Switch Current
Industrial grade – 40 C to 85 C, V
FB Comparator Trip Point
Peak Switch Current
The
range.
Note 1: C grade device specifications are guaranteed over the 0 C to 70 C
temperature range. In addition, C grade device specifications are assured
TYPICAL PERFORMANCE CHARACTERISTICS
ELECTRICAL C
denotes specifications which apply over the specified temperature
AC COUPLED
100mV/DIV
I
LOAD
50mA
V
0mA
OUT
Load Transient Response
HARA TERISTICS
W
IN
IN
= 2V, V
= 2V, V
C
U
SHDN
SHDN
CONDITIONS
FB > 1V
FB < 1V
Current Limit Not Asserted
1V < FB < 1.2V
Current Limit Not Asserted
1V < FB < 1.2V
I
I
Switch Off, V
R
R
R
R
R
R
R
SW
SW
SET
SET
SET
SET
SET
SET
SET
= 0.5A
= 0.1A
= 27.4k, T
= 27.4k, T
= 27.4k, T
= 10K
= 121k
= 27.4k,
= 10k
= V
= V
IN
IN
, T
, T
SW
A
A
1316 G01
A
A
A
= 25 C unless otherwise noted.
= 5V
= 25 C unless otherwise noted.
= 25 C
=0 C
= 70 C
IN
= 2V, V
over the – 40 C to 85 C temperature range by design or correlation, but
are not production tested.
Note 2: I grade device specifications are guaranteed over the – 40 C to
85 C temperature range.
AC COUPLED
100mV/DIV
200mA/DIV
INDUCTOR
CURRENT
SHDN
5V/DIV
V
V
OUT
SW
= V
Burst Mode
Burst Mode IS A TRADEMARK OF LINEAR TECHNOLOGY
CORPORATION.
IN
, T
A
= 25 C unless otherwise noted. (Notes 1, 2)
TM
Operation
1.205
1.21
MIN
250
200
1.4
1.1
4.4
3.4
74
73
90
90
70
70
TYP
0.30
0.06
1.23
1.23
100
100
290
100
290
2.0
3.4
6.3
0.1
76
90
25
1.255
MAX
0.15
1.25
110
115
110
340
125
370
2.6
3.0
8.2
9.5
0.4
1316 G02
90
90
5
LT1316
UNITS
3
mA
mA
mA
mA
mA
mA
mA
%
%
V
V
A
V
V
s
s
s
s
s