SP6648UEB Exar Corporation, SP6648UEB Datasheet - Page 2

• Manufacturer Part Number: SP6648UEB
• Description: Power Management Modules & Development Tools Ultra Low Quies Cur Hi-Eff Boost Reg
• Manufacturer: Exar Corporation
• Type: DC/DC Switching Converters, Regulators & Controllersr

Specifications of SP6648UEB

• Product: Power Management Modules

Date: 6/7/06 Rev B
V
otherwise noted. The ♦ denotes the specifications which apply over full operating temperature range -40°C to +85°C, unless
otherwise specified.
LX, Vo, V
SHDN, LBI ........................................................... -0.3V to V
Vo, GND, LX Current ....................................................................... 2A
Reverse V
Forward V
Storage Temperature .................................................. -65 °C to 150°C
Note 1: SHDN must transition faster than 1V/100mS for proper operation.
Inductor Current Limit, I
PARAMETER
Input Voltage Operating Range, V
Output Voltage Range, V
Start-up Input Voltage, V
Under Voltage Lock-out/UVLO
Output Voltage, V
Quiescent Current into V
Quiescent Current into V
Shutdown Current into V
Shutdown Current into V
Efficiency
Output Current
Minimum Off-Time Constant K
Maximum On-Time Constant K
Enable Valid to Output Stable
PMOS Switch Resistance
FB Set Voltage, V
FB Input Current
LBI Falling Trip Voltage
LBI Hysteresis
Low Output Voltage for LBON, V
Leakage current for LBON
SHDN Input Voltage, Note 1
SHDN Input Current
LX Pin Leakage
NMOS Switch Resistance
BATT
=V
BATT
BATT
BATT
SHDN
, LBON, FB to GND pin ................................ -0.3 to 6.0V
Current .............................................................. 500mA
Current .............................................................. 220mA
= 2.6V, V
O
FB
V
V
V
V
IL
IH
IL
IH
PK
O,
BATT,
BATT
O
BATT
FB
OUT
= 1600/R
, I
I
=0.0V, I
SDO
QO
, I
I
SDB
OFF
QB
ON
OL
BATT
LIM
LOAD
SP6648 Ultra-low Quiescent Current, High Efficiency Boost Regulator
1300
3.12
1.19
0.56
MIN
= 0mA, T
650
0.7
2.5
0.5
0.5
2.5
1.0
2.0
BATT
1600
TYP
0.85
0.61
3.30
0.30
0.30
1.25
0.61
250
250
800
100
200
150
400
300
1.0
4.0
12
84
92
25
AMB
1
1
1
+1.0V
= -40°C to +85°C, V
MAX
1000
2000
3.48
1.31
0.66
0.25
750
500
750
500
100
100
4.5
5.5
1.1
0.7
1.5
5.5
0.6
0.6
0.4
0.5
25
1
3
2
Operating Temperature ................................................ -40°C to +85°C
ESD Rating ........................................................................ 1.5kV HBM
These are stress ratings only and functional operation of the device at
these ratings or any other above those indicated in the operation sections
of the specifications below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may affect reliability.
UNITS
V*μs
V*μs
mA
mA
mA
mA
mA
mA
mV
μA
μA
μA
nA
nA
nA
nA
nA
μs
%
%
Ω
Ω
V
V
V
V
V
V
V
V
V
ABSOLUTE MAXIMUM RATINGS
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
♦
ELECTRICAL SPECIFICATIONS
OUT
= +3.3V, typical values at 27°C unless
CONDITIONS
After Startup
R
Internal Feedback Divider
V
V
V
V
V
V
R
R
V
V
V
V
K
K
I
I
I
External feedback
V
V
V
V
V
V
V
LOAD
NMOS
PMOS
OUT
OUT
SHDN
SHDN
BATT
BATT
BATT
BATT
BATT
BATT
OFF
ON
FB
BATT
BATT
BATT
BATT
BATT
BATT
LOAD
LIM
LIM
=1.3V
≥ T
= 2kΩ
= 1kΩ
≤ T
= 3.3V, V
= 3.3V, V
= 1mA
= 100mA
= 100mA
= 1.3V, I
= 2.6V, I
= 1.3V, R
= 2.6V, R
= 1.3V, R
= 2.6V, R
= 1.3V, I
= 1.3V, V
= 1.3V
= 1.3V
= 2.6V
= 2.6V
= 3kΩ
= 0.0V
= 0.0V, V
ON
OFF
(V
(V
BATT
OUT
OUT
OUT
SINK
FB
FB
LIM
LIM
LBON
BATT
LIM
LIM
)
= 1.5V, Toggle SHDN
= 1.5V
- V
= 100mA, R
= 200mA, R
= 4kΩ
= 4kΩ
=2kΩ
=2kΩ
= 1mA
© 2006 Sipex Corporation
= 2.6V
BATT
= 3.3V
)
LIM =
LIM =
2kΩ
2kΩ