LT1071 Linear Technology, LT1071 Datasheet - Page 2

• Manufacturer Part Number: LT1071
• Description: 5A and 2.5A High Efficiency Switching Regulators
• Manufacturer: Linear Technology

ABSOLUTE
PACKAGE/ORDER
LT1070/LT1071
Supply Voltage
Switch Output Voltage
Feedback Pin Voltage (Transient, 1ms) ................ 15V
2
ELECTRICAL CHARACTERISTICS
SYMBOL
V
I
g
A
I
B
Q
m
REF
V
LT1070/LT1071 (Note 2) .................................... 40V
LT1070HV/LT1071HV (Note 2)........................... 60V
LT1070/LT1071 .................................................. 65V
LT1070HV/LT1071HV......................................... 75V
T
T
T
T
V
JMAX
JMAX
JMAX
JMAX
V
SW
IN
= 100 C,
= 150 C,
= 100 C,
= 150 C,
4-LEAD TO-3 METAL CAN
PARAMETER
Reference Voltage
Feedback Input Current
Error Amplifier Transconductance
Error Amplifier Source or Sink Current
Error Amplifier Clamp Voltage
Reference Voltage Line Regulation
Error Amplifier Voltage Gain
Minimum Input Voltage
Supply Current
Control Pin Threshold
Normal/Flyback Threshold on Feedback Pin
BOTTOM VIEW
JA
JA
JA
JA
1
4
K PACKAGE
= 35 C/ W, Q
= 35 C/ W, Q
= 35 C/ W, Q
= 35 C/ W, Q
W
MAXIMUM
2
3
JC
JC
JC
JC
= 2 C (LT1070C, I)
= 2 C (LT1070M)
= 4 C (LT1071C, I)
= 4 C (LT1071M)
W W
V
FB
INFORMATION
C
U
CASE
IS GND
RATINGS
W
ORDER PART
LT1070CK
LT1070HVCK
LT1070HVMK
LT1070IK
LT1070MK
LT1071CK
LT1071HVCK
LT1071HVMK
LT1071MK
NUMBER
U
CONDITIONS
Measured at Feedback Pin, V
V
V
Hi Clamp, V
Lo Clamp, V
3V V
0.9V V
3V V
Duty Cycle = 0
FB
C
I
V
C
= 1.5V
IN
= V
= 25 A
U
(Note 1)
= 15V, V
IN
IN
REF
C
V
V
FB
FB
1.4V
MAX
MAX
= 1V
= 1.5V
Operating Junction Temperature Range
Storage Temperature Range ................ – 65 C to 150 C
Lead Temperature (Soldering, 10 sec)................. 300 C
C
, V
, V
T
T
= 0.5V, V
JMAX
JMAX
Commercial (Operating) ....................... 0 C to 100 C
Commercial (Short Circuit)................... 0 C to 125 C
Industrial ......................................... – 40 C to 125 C
Military ............................................ – 55 C to 150 C
C
C
= 0.8V
= 0.6V
= 100 C,
= 100 C,
5-LEAD PLASTIC TO-220
FB
C
= 0.8V
JA
JA
FRONT VIEW
= V
T PACKAGE
= 75 C/ W, Q
= 75 C/ W, Q
REF
5
4
3
2
1
, output pin open unless otherwise specified.
JC
JC
= 2 C (LT1070C, I)
= 4 C (LT1071C)
1.224
1.214
3000
2400
MIN
1.80
0.25
150
120
500
0.8
0.6
0.4
V
V
GND
FB
V
IN
SW
C
1.244
1.244
4400
0.38
0.45
TYP
350
200
800
2.6
0.9
6
ORDER PART
LT1070CT
LT1070HVCT
LT1070HVIT
LT1070IT
LT1071CT
LT1071HVCT
LT1071HVIT
LT1071IT
NUMBER
1.264
1.274
1100
6000
7000
MAX
2.30
0.52
0.03
1.08
1.25
0.54
750
350
400
3.0
9
UNITS
mho
mho
%/V
V/V
mA
nA
nA
V
V
V
A
A
V
V
V
V
V