Datasheet

LT3692A
3
3692afc
For more information www.linear.com/3692A
elecTrical characTerisTics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
VIN1/2
= 15V unless otherwise specified. (Note 3)
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3692AEUH#PBF LT3692AEUH#TRPBF 3692A
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 125°C
LT3692AIUH#PBF LT3692AIUH#TRPBF 3692A
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 125°C
LT3692AHUH#PBF LT3692AHUH#TRPBF 3692A
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 150°C
LT3692AEFE#PBF LT3692AEFE#TRPBF 3692AFE 38-Lead Plastic TSSOP –40°C to 125°C
LT3692AIFE#PBF LT3692AIFE#TRPBF 3692AFE 38-Lead Plastic TSSOP –40°C to 125°C
LT3692AHFE#PBF LT3692AHFE#TRPBF 3692AFE 38-Lead Plastic TSSOP –40°C to 150°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
PARAMETER CONDITIONS MIN TYP MAX UNITS
SHDN Voltage Threshold Ch 1/2
l
1.24 1.32 1.4 V
SHDN Input Current Ch 1/2 V
SHDN
= 1.35V –1 0 1 µA
V
IN1
Undervoltage Lockout (Note 4) 2.5 2.8 3.1 V
V
IN
Overvoltage Lockout Ch 1/2 (Note 5) 36 39 43 V
V
IN1
Shutdown Current V
SHDN
= 0V
l
6 13 µA
V
IN2
Shutdown Current V
SHDN
= 0V
l
0 2 µA
V
IN1
Quiescent Current V
SHDN
= 2V 3 4 5 mA
V
IN2
Quiescent Current V
SHDN
= 2V 400 630 1000 µA
Feedback Voltage Ch 1/2 V
VC1/2
= 1V
l
790 806 822 mV
Feedback Voltage Regulation V
VIN1/2
= 3V to 35V, V
VC1/2
= 0.5V to 1.4V
l
780 806 830 mV
Feedback Voltage Offset Ch 1 to Ch 2 V
VC1/2
= 1V
l
–13 0 13 mV
Feedback Bias Current Ch 1/2 V
VC1/2
= 1V
l
0 85 200 nA
T
J
Output Voltage (Note 6) T
J
= 25°C, I
TJ
= 25µA, Temperature = 25°C
I
TJ
= 25µA, Temperature = 125°C
I
TJ
= 25µA, Temperature = –40°C
250
1.23
–380
mV
V
mV
T
J
Error Temperature = 25°C to 125°C
l
–100 0 100 mV
Error Amp g
m
Ch 1/2 V
VC1/2
= 1V, I
VC1/2
= ±10µA 300 400 500 µMho
Error Amp Source Current Ch 1/2 V
FB1/2
= 0.7V, V
VC1/2
= 1V 17 25 33 µA
Error Amp Sink Current Ch 1/2 V
FB1/2
=0.9V, V
VC1/2
= 1V 20 28 36 µA
Error Amp High Clamp Ch 1/2 V
FB1/2
= 0.7V 1.7 1.9 2.1 V
Error Amp Switching Threshold Ch 1/2 V
FB1/2
= 0V 0.7 0.9 1.08 V