LT1110 Linear Technology, LT1110 Datasheet - Page 3

• Manufacturer Part Number: LT1110
• Description: Micropower DC-DC Converter Adjustable and Fixed 5V/ 12V
• Manufacturer: Linear Technology

TYPICAL PERFOR
SYMBOL
V
A
I
I
I
V
The
temperature range.
Note 1: This specification guarantees that both the high and low trip point
of the comparator fall within the 210mV to 230mV range.
Note 2: This specification guarantees that the output voltage of the fixed
versions will always fall within the specified range. The waveform at the
sense pin will exhibit a sawtooth shape due to the comparator hysteresis.
ELECTRICAL C
REV
LIM
LEAK
CESAT
V
SW2
100
90
80
70
60
50
40
–50
denotes the specifications which apply over the full operating
Oscillator Frequency
–25
PARAMETER
Switch Saturation Voltage
Step-Up Mode
A2 Error Amp Gain
Reverse Battery Current
Current Limit
Current Limit Temperature
Coefficient
Switch OFF Leakage Current
Maximum Excursion Below GND
TEMPERATURE ( C)
0
25
HARA TERISTICS
50
W
LT1110 • TPC01
75
A
C
U
100
CE
C
CONDITIONS
V
V
V
R
(Note 4)
220 Between I
Measured at SW1 Pin
I
HARA TERISTICS
SW1
IN
IN
IN
L
80
78
76
74
72
70
68
66
64
62
60
= 100k (Note 3)
= 1.5V, I
= 1.5V, I
= 5V, I
Oscillator Frequency
0
10 A, Switch Off
3
SW
T
A
SW
SW
C
6
= 1A
= 25 C, V
= 400mA
= 500mA
LIM
INPUT VOLTAGE (V)
9
and V
12
Note 3: 100k resistor connected between a 5V source and the AO pin.
Note 4: The LT1110 is guaranteed to withstand continuous application of
+1.6V applied to the GND and SW2 pins while V
grounded.
15 18 21
IN
IN
= 1.5V, unless otherwise noted.
LT1110 • TPC02
24 27 30
MIN
1000
14
13
12
11
10
– 400
– 0.3
9
8
7
–50
TYP
300
400
700
5000
750
400
1
Switch On Time
–25
TEMPERATURE ( C)
IN
0
– 350
, I
MAX
400
600
550
750
1000
10
LIM
25
, and SW1 pins are
50
LT1110
LT1110 • TPC03
75
UNITS
%/ C
3
V/V
mV
mV
mV
mV
mV
mA
mA
mV
A
100