LT1339ISW#PBF Linear Technology, LT1339ISW#PBF Datasheet - Page 3

• Manufacturer Part Number: LT1339ISW#PBF
• Description: IC DC/DC CONTROLLER HIPWR 20SOIC
• Manufacturer: Linear Technology
• Type: Step-Up (Boost)r

Specifications of LT1339ISW#PBF

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Current - Output: 65mA
• Frequency - Switching: 150kHz
• Voltage - Input: Up to 60V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Primary Input Voltage: 60V
• No. Of Outputs: 1
• Output Voltage: 54V
• Output Current: 65mA
• No. Of Pins: 20
• Operating Temperature Range: -40°C To +85°C
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Power - Output: -

The
temperature range.
Note 1: Absolute maximum ratings are those values beyond which the life
of a device may be impaired.
12V
SYMBOL
Error Amplifier
V
I
g
A
I
V
V
V
Current Sense Amplifier
A
V
I
Oscillator
f
I
V
f
Output Drivers
V
V
t
t
V
t
t
ELECTRICAL C
FB
VC
B
O
CT
SYNC
TGR
TGF
BGR
BGF
m
FB
V
VC
SENSE
IAVG
V
OS
SYNC
TG,BG
TG
BG
IN
denotes specifications which apply over the full operating
= V
BOOST
PARAMETER
Error Amplifier Reference Voltage
Feedback Input Current
Error Amplifier Transconductance
Error Amplifier Voltage Gain
Error Amplifier Source Current
Error Amplifier Sink Current
Absolute V
Peak Current Limit Threshold
Average Current Limit Threshold (Note 4)
Average Current Limit Threshold
Amplifier DC Gain
Amplifier Input Offset Voltage
Input Bias Current
Operating Frequency, Free Run
Frequency Programming Error (Note 3)
Timing Capacitor Discharge Current
SYNC Input Threshold
SYNC Frequency Range
Undervoltage Output Clamp
Standby Mode Output Clamp
Top Gate On Voltage
Top Gate Off Voltage
Top Gate Rise Time
Top Gate Fall Time
Bottom Gate On Voltage
Bottom Gate Off Voltage
Bottom Gate Rise Time
Bottom Gate Fall Time
= 12V, V
C
Clamp Voltage
C
= 2V, TS = 0V, V
HARA TERISTICS
C
FB
= V
REF
= 1.25V, C
CONDITIONS
Measured at Feedback Pin
V
V
Measured at V
Measured at Sense Inputs
Measured at Sense Inputs
Measured at I
Measured at I
2V < V
SENSE
Sink (V
Source (V
f
LT1339C
LT1339I
Rising Edge
f
12V
V
O
SYNC
FB
FB
RUN
IN
= V
– V
TG
150kHz
< 0.5V
CMSENSE
+
CMSENSE
REF
REF
= C
150kHz
– SENSE
8V
CMSENSE
= 500mV
BG
Note 2: Supply current specification does not include external FET gate
charge currents. Actual supply currents will be higher and vary with
operating frequency, operating voltages and the type of external FETs
used. See Application Information section.
Note 3: Test condition: R
Note 4: Test Condition: V
AVG
AVG
C
= 3000pF, T
< 60V,
Pin
> 5V)
–
Pin
Pin
= 0V)
= 5mV
A
= 25 C unless otherwise noted.
CT
CMSENSE
= 16.9k, C
1.242
1.235
1200
1500
MIN
2.20
2.10
11.0
11.0
200
280
170
110
0.1
0.1
0.8
– 5
= 10V.
f
O
CT
= 1000pF.
1.250
1.250
2000
3000
2.50
2.50
11.9
11.9
TYP
275
400
190
120
700
130
0.5
3.5
2.5
0.4
0.4
0.4
15
45
60
70
60
1.258
1.265
1200
1.4f
MAX
3200
2.75
2.75
12.0
12.0
LT1339
130
150
200
140
200
140
1.0
2.0
0.7
0.1
0.7
0.7
75
5
O
sn1339 1339fas
UNITS
3
mho
kHz
V/V
mV
mV
V/V
mV
mA
mA
ns
ns
ns
ns
%
V
V
A
A
A
V
V
A
A
V
V
V
V
V
V
V