ltc3862gn-1 Linear Technology Corporation, ltc3862gn-1 Datasheet - Page 3

• Manufacturer Part Number: ltc3862gn-1
• Description: Multi-phase Current Mode Step-up Dc/dc Controller
• Manufacturer: Linear Technology Corporation

LEAD FREE FINISH
LTC3862EUH-1#PBF
LTC3862IUH-1#PBF
LTC3862HUH-1#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
SYMBOL
Supply Input and INTV
V
I
INTV
dV
dV
V
3V8
Switcher Control Loop
V
dV
dV
g
f
V
I
I
V
I
V
V
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
operating temperature range, otherwise specifi cations are at T
VIN
0dB
ITH
FB
SENSE(ON)
m
IN
UVLO
FB
ITH
ITH(PSKIP)
SENSE(MAX)
SENSE(MATCH)
INTVCC(LINE)
INTVCC(LOAD)
FB
FB
/dV
/dV
CC
IN
ITH
PARAMETER
V
V
LDO Regulator Output Voltage
Line Regulation
Load Regulation
INTV
LDO Regulator Output Voltage
Reference Voltage
Feedback Voltage V
Feedback Voltage Load Regulation
Transconductance Amplifi er Gain
Error Amplifi er Unity-Gain Crossover
Frequency
Error Amplifi er Maximum Output Voltage
(Internally Clamped)
Error Amplifi er Minimum Output Voltage
Error Amplifi er Output Source Current
Error Amplifi er Output Sink Current
Error Amplifi er Input Bias Currents
Pulse Skip Mode Operation ITH Pin Voltage
SENSE Pin Current
Maximum Current Sense Input Threshold
CH1 to CH2 Maximum Current Sense
Threshold Matching
IN
IN
Normal Mode, No Switching
Shutdown
Supply Voltage Range
Supply Current
CC
CC
UVLO Voltage
Linear Regulator
TAPE AND REEL
LTC3862EUH-1#TRPBF
LTC3862IUH-1#TRPBF
LTC3862HUH-1#TRPBF
IN
Line Regulation
http://www.linear.com/leadfree/
PART MARKING*
38621
38621
38621
http://www.linear.com/tapeandreel/
CONDITIONS
(Note 5)
V
12V < V
Load = 0mA to 20mA
Rising INTV
Falling INTV
V
V
V
V
(Note 7)
V
V
(Note 6)
Rising ITH Voltage (Note 6)
Hysteresis
V
(Note 3)
V
(V
RUN
ITH
IN
ITH
ITH
FB
FB
SLOPE
SLOPE
SENSE1
(Notes 2, 3) The
= 8.5V to 36V (Note 6)
= 1V, No Load
= 1.5V, No Load
= 0.8V (Note 6)
= 0.5V to 1.2V (Note 6)
= 0.8V (Note 6), ITH Pin Load = ±5μA
= 0V
= Float, Low Duty Cycle
= Float, Low Duty Cycle (Note 3)
IN
A
– V
= 25°C. V
< 36V
I-Grade and H-Grade (Note 3)
CC
CC
SENSE2
)
IN
PACKAGE DESCRIPTION
24-Lead (5mm × 5mm) Plastic QFN
24-Lead (5mm × 5mm) Plastic QFN
24-Lead (5mm × 5mm) Plastic QFN
l
= 12V, RUN = 2V and SS = open, unless otherwise noted.
E-Grade (Note 3)
denotes the specifi cations which apply over the full
l
l
l
l
l
l
l
1.210
1.199
MIN
–10
8.5
9.5
–2
65
60
±0.002
0.002
1.223
1.223
0.275
LTC3862-1
10.0
0.01
0.01
TYP
660
–30
–50
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 125°C
–40°C to 150°C
1.8
7.5
7.0
3.8
1.8
2.7
30
50
30
25
75
75
1.235
1.248
–200
MAX
10.5
0.02
0.01
3.0
0.1
36
80
85
90
10
2
UNITS
μMho
38621f
3
MHz
%/V
%/V
mA
mV
mV
mV
mV
mV
μA
μA
μA
nA
μA
%
%
V
V
V
V
V
V
V
V
V