LT1166CN8 Linear Technology, LT1166CN8 Datasheet - Page 8

• Manufacturer Part Number: LT1166CN8
• Description: IC BIAS SYS AUTO PWR-OUTPUT 8DIP
• Manufacturer: Linear Technology

Specifications of LT1166CN8

• Configuration: High and Low Side, Synchronous
• Input Type: Non-Inverting
• Delay Time: 250ns
• Number Of Configurations: 1
• Number Of Outputs: 2
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Supply: -
• Current - Peak: -
• High Side Voltage - Max (bootstrap): -

LT1166
APPLICATIONS
APPLICATION CIRCUITS
Bipolar Buffer
Similar to the unity gain buffer in Figure 1, the LT1166 can
be used to bias bipolar transistors as shown in Figure 8.
The minimum operating voltage for the LT1166 is 2V, so
it is necessary to bias the part with adequate voltage from
8
V
IN
R
IN
–
+
R
F
Figure 7. Current Source Drive
C
F
U
R
L
INFORMATION
2
U
V
IN
V
LT1166
BOTTOM
V
TOP
1
4
SENSE
SENSE
I
I
W
T
B
I
V
I
LIM
LIM
OUT
+
+
–
–
8
7
3
6
5
1166 • F07
M1
M2
U
1
1
V
V
–
+
V
OUT
V
IN
the output stage. The simplest way to do this is to use
Darlington drivers and series diodes. There are no thermal
tracking circuits or adjustments necessary and the LT1166
does not need to be mounted on the heat sink with the
power devices. R
I
TOP
2N2907
2N2222
4.7k
and I
5.6k
BOTTOM
100
100
2
500pF
V
Figure 8. Bipolar Buffer Amp
IN
TOP
500pF
; see Typical Characteristics curves.
V
LT1166
BOTTOM
V
TOP
and R
2N2907
2N2222
47
1
4
47
SENSE
SENSE
I
15mA
I
15mA
TOP
BOT
I
I
V
LIM
LIM
OUT
BOTTOM
=
=
+
+
–
–
8
7
3
6
5
R
R
100
TOP
100
BOTTOM
can be used to replace
–15V
15V
2N2907
2N2222
150
150
IN4001
IN4001
TIP29
TIP30
1
1
+
V
+
10
220 F
OUT
220 F
1166 • F08