LT1306 Ver la hoja de datos (PDF) - Linear Technology
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LT1306 Datasheet PDF : 16 Pages
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LT1306
ABSOLUTE MAXIMUM RATINGS
(Note 1)
VIN Voltage ............................................................. 10V
S/S Voltage ............................................................... 7V
FB Voltage .............................................................. 10V
VOUT Voltage .......................................................... 5.5V
Junction Temperature .......................................... 125°C
Operating Temperature Range (Note 2) .. – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
PACKAGE/ORDER INFORMATION
TOP VIEW
VC 1
FB 2
VOUT 3
GND 4
8 S/S
7 VIN
6 CAP
5 SW
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 125°C, θJA = 90°C/ W
ORDER PART
NUMBER
LT1306ES8
S8 PART MARKING
1306
Consult factory for Industrial and Military grade parts.
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 2.5V, VS/S = VIN, VC open unless otherwise noted.
PARAMETER
Reference Voltage
Reference Line Regulation
FB Input Bias Current
Error Amplifier Transconductance
Error Amplifier Output Source Current
Error Amplifier Output Sink Current
Error Amplifier Output Clamp Voltage
VIN Undervoltage Lockout Threshold
Idle Mode Output Leakage Current
Output Source Current in Shutdown
Switching Frequency
Maximum Duty Cycle
Switch Current Limit
Burst Mode Operation Switch Current Limit
Switch VCESAT
Rectifier VCESAT
Stepdown Mode Rectifier Voltage
Switch and Rectifier Leakage Current
CONDITIONS
Measured at the FB Pin
1.8V ≤ VIN ≤ 7V
VFB = VREF
∆I = ±0.2µA
VFB = 1V, VC = 0.8V
VFB = 1.5V, VC = 0.8V
VFB = 1V
VFB = 1.5V, VOUT = 5.5V, VSW = 1.7V
VOUT = 0V, VIN = VSW = 7V, VCAP = 7.2V, VS/S = 0V
1.8V ≤ VIN ≤ 7V, 0°C ≤ TA ≤ 85°C
1.8V ≤ VIN ≤ 7V, TA = – 40°C
VFB = 1V, 0°C ≤ TA ≤ 85°C
VFB = 1V, TA = – 40°C
Duty Cycle = 0.1 (Note 3)
Duty Cycle = 0.8 (Note 3)
ISW = 2A
ISW = 2A
VOUT = 0V, ISW = 1A
VOUT = 2.2V, ISW = 1A
VOUT = 0V, VIN = VSW = 7V, VCAP = 7.2V, VS/S = 0V
MIN
q 1.22
q
80
5
5
1.18
1.55
q
q
q 260
225
80
65
2.3
2.0
0.3 + VIN
1.3
q
TYP
1.24
0.002
10
150
7.5
7.5
1.28
6
310
305
90
80
250
0.45
0.49
0.1
MAX
1.26
0.1
25
220
11
11
1.38
1.8
15
–3
415
390
0.575
0.675
0.7 + VIN
1.8
20
UNITS
V
%/V
nA
µΩ – 1
µA
µA
V
V
µA
µA
kHz
kHz
%
%
A
A
mA
V
V
V
V
µA
2
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