ltc3803es6-5 Linear Technology Corporation, ltc3803es6-5 Datasheet - Page 2

• Manufacturer Part Number: ltc3803es6-5
• Description: Constant Frequency Current Mode Flyback Dc/dc Controller In Thinsot
• Manufacturer: Linear Technology Corporation

ABSOLUTE
ELECTRICAL CHARACTERISTICS
LTC3803-5
(Note 1)
V
NGATE Voltage ......................................... – 0.3V to V
V
SENSE Voltage ........................................... – 0.3V to 1V
NGATE Peak Output Current (<10μs) ........................ 1A
Operating Junction Temperature Range (Note 2)
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
*LTC3803-5 internal clamp circuit self regulates V
to 85°C operating junction temperature range, otherwise specifications are at T
SYMBOL
V
V
V
V
V
I
V
I
V
g
ΔV
ΔV
I
f
DC
DC
t
t
V
I
t
2
CC
ITHSTART
FB
OSC
RISE
FALL
SLMAX
SFST
m
TURNON
TURNOFF
HYST
CLAMP1mA
CLAMP25mA
ITHSHDN
FB
IMAX
CC
FB
O(LINE)
O(LOAD)
ON(MIN)
ON(MAX)
LTC3803E-5 ....................................... – 40°C to 85°C
LTC3803H-5 (Note 3) ....................... – 40°C to 150°C
, I
to GND (Current Fed) .................... 25mA into V
TH
/RUN Voltages ..............................– 0.3V to 3.5V
PARAMETER
V
V
V
V
V
Input DC Supply Current
Shutdown Threshold (at I
Start-Up Current Source
Regulated Feedback Voltage
Error Amplifier Transconductance
Output Voltage Line Regulation
Output Voltage Load Regulation
V
Oscillator Frequency
Minimum Switch On Duty Cycle
Maximum Switch On Duty Cycle
Gate Drive Rise Time
Gate Drive Fall Time
Peak Current Sense Voltage
Peak Slope Compensation Output Current
Soft-Start Time
CC
CC
CC
CC
CC
Normal Operation
Undervoltage
FB
Input Current
Turn On Voltage
Turn Off Voltage
Hysteresis
Shunt Regulator Voltage
Shunt Regulator Voltage
W
MAXIMUM
W W
TH
/RUN)
RATINGS
CC
voltage to 8V.
U
CONDITIONS
V
I
I
(Note 4)
V
V
V
V
0°C ≤ T
–40°C ≤ T
I
V
I
I
(Note 5)
V
V
V
C
C
R
(Note 7)
CC
CC
TH/RUN
TH
TH
TURNON
ITH/RUN
CC
CC
ITH/RUN
TURNOFF
ITH/RUN
ITH/RUN
ITH/RUN
LOAD
LOAD
SL
/RUN Sinking 5μA (Note 5)
/RUN Sourcing 5μA (Note 5)
= 1mA, V
= 25mA, V
= V
= V
= 0 (Note 6)
LTC3803E-5: The
= 3000pF
= 3000pF
TURNON
TURNON
J
Pin Load = ±5μA (Note 5)
CC
= 1.3V
= 0V
≤ 85°C (Note 5)
= 1.3V
= 1.3V, V
= 1.3V, V
– V
< V
J
CC
≤ 85°C (Note 5)
*
TURNOFF
ITH/RUN
CC
ITH/RUN
– 100mV
+ 100mV
< V
FB
FB
PACKAGE/ORDER
Consult LTC Marketing for parts specified with wider operating temperature ranges.
CLAMP
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
= 0V
= 0.8V
= 0.8V
= 0V
ORDER PART NUMBER
●
(Note 5)
LTC3803HS6-5
LTC3803ES6-5
indicates specifications which apply over the full –40°C
J
= 25°C. V
I
TH
CC
/RUN 1
GND 2
V
T
FB
JMAX
= 5V, unless otherwise noted. (Note 2)
6-LEAD PLASTIC TSOT-23
●
●
●
●
●
●
●
●
●
●
3
= 150°C, θ
0.788
0.780
S6 PACKAGE
0.05
0.12
0.07
MIN
200
170
3.3
6.2
6.3
TOP VIEW
70
90
4
JA
INFORMATION
= 165°C/W
U
S6 PART MARKING
0.800
0.800
0.28
0.34
TYP
240
333
200
100
4.8
0.8
8.1
0.1
6.5
0.7
6 NGATE
5 V
4 SENSE
40
10
80
40
40
4
8
3
3
5
CC
LTBMH
LTBPF
W
0.812
0.816
MAX
10.3
0.45
350
500
230
115
5.7
4.9
9.9
0.8
8.5
90
50
90
mV/μA
mV/μA
UNITS
38035fb
U
mV/V
μA/V
kHz
mV
ms
μA
μA
μA
nA
μA
ns
ns
%
%
V
V
V
V
V
V
V
V