ltc3527eud-trpbf Linear Technology Corporation, ltc3527eud-trpbf Datasheet - Page 2

• Manufacturer Part Number: ltc3527eud-trpbf
• Description: Dual 800ma/400ma, 1.2mhz/2.2mhz Synchronous Step-up Dc/dc Converters
• Manufacturer: Linear Technology Corporation

ABSOLUTE MAXIMUM RATINGS
ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
LTC3527/LTC3527-1
(Note 1)
V
SW1, SW2 Voltage (DC) .............................. –0.3V to 6V
⎯ S ⎯ H ⎯ D ⎯ N ⎯ 1 , ⎯ S ⎯ H ⎯ D ⎯ N ⎯ 2 , FB1, FB2 Voltage ............... –0.3V to 6V
V
MODE, FSEL, PGOOD1, PGOOD2 ................. –0.3V to 6V
Operating Temperature (Notes 2, 5) .........–40°C to 85°C
Junction Temperature ........................................... 125°C
Storage Temperature Range ...................–65°C to 125°C
LEAD FREE FINISH
LTC3527EUD#PBF
LTC3527EUD-1#PBF
LEAD BASED FINISH
LTC3527EUD
LTC3527EUD-1
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
temperature range, –40
PARAMETER
Minimum Start-Up Voltage
Output Voltage Adjust Range
Feedback Voltage FB1, FB2
Feedback Input Current FB1, FB2
Quiescent Current: Shutdown
Quiescent Current: Burst Mode Operation
Quiescent Current: Active
NMOS Switch Leakage Current
PMOS Switch Leakage Current
2
IN
OUT1
(Pulsed < 100ns) ..................................... –0.3V to 7V
, V
IN1
, V
OUT2
, V
IN2
................................................ –0.3V to 6V
Voltage ................................. –0.3V to 6V
°
C to 85
TAPE AND REEL
LTC3527EUD#TRPBF
LTC3527EUD-1#TRPBF
TAPE AND REEL
LTC3527EUD#TR
LTC3527EUD-1#TR
°
C. V
IN
= 1.2V, V
http://www.linear.com/leadfree/
OUT1
PART MARKING
LDDK
LCXP
PART MARKING
LDDK
LCXP
CONDITIONS
I
V
V
V
V
V
V
Leakage, V
Measured on V
V
V
V
LOAD
OUT1
OUT1
OUT2
OUT2
FB1,2
⎯ S ⎯ H ⎯ D ⎯ N ⎯ 1
FB1
SW1,2
SW1,2
http://www.linear.com/tapeandreel/
= V
= V
, 0°C to 85°C
, 0°C to 85°C
= 1mA
= 1.20V
= 5V, ⎯ S ⎯ H ⎯ D ⎯ N ⎯ 1 , ⎯ 2 = 0V
= 5V, V
OUT2
= V
FB2
The
OUT1
⎯ S ⎯ H ⎯ D ⎯ N ⎯ 2
> 1.2V (Note 3)
= 3.3V, T
OUT1,2
OUT
●
= V
= 0V, Not Including Switch
denotes the specifi cations which apply over the full operating
, V
OUT2
FB1
= 0V, ⎯ S ⎯ H ⎯ D ⎯ N ⎯ 1 , ⎯ 2 = 0V
PIN CONFIGURATION
A
= 0V
= V
= 25°C, unless otherwise noted.
PACKAGE DESCRIPTION
16-Lead (3mm × 3mm) Plastic QFN
16-Lead (3mm × 3mm) Plastic QFN
PACKAGE DESCRIPTION
16-Lead (3mm × 3mm) Plastic QFN
16-Lead (3mm × 3mm) Plastic QFN
FB2
= 1.5V
EXPOSED PAD (PIN 17) IS PGND, MUST BE SOLDERED TO PCB
SHDN1
MODE
16-LEAD (3mm × 3mm) PLASTIC QFN
V
FB1
IN1
T
JMAX
1
2
3
4
●
●
●
16
= 125°C, θ
5
UD PACKAGE
TOP VIEW
15 14 13
6
1.176
17
MIN
1.7
1.6
1.7
1.6
7
JA
= 68°C/W
8
12
11
10
9
1.20
TYP
500
0.7
0.1
0.1
0.1
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
12
1
SHDN2
FB2
FSEL
V
IN2
1.224
MAX
0.88
5.25
5.25
5.25
5.25
900
50
10
10
2
UNITS
35271f
µA
µA
µA
nA
µA
µA
V
V
V
V
V
V