SP6651AEU-L Exar Corporation, SP6651AEU-L Datasheet - Page 2

• Manufacturer Part Number: SP6651AEU-L
• Description: IC CONV SYNC BUCK 800MA 10MSOP
• Manufacturer: Exar Corporation
• Type: Step-Down (Buck)r
• Series: -r

Specifications of SP6651AEU-L

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1 V ~ 5.5 V
• Current - Output: 800mA
• Voltage - Input: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
• Primary Input Voltage: 5.5V
• No. Of Outputs: 1
• Output Voltage: 5V
• Output Current: 800mA
• No. Of Pins: 10
• Operating Temperature Range: -40°C To +85°C
• Supply Voltage Range: 2.7V To 5.5V
• Mounting Style: SMD/SMT
• Frequency - Switching: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

V
Date: 5/25/04
PV
All other pins .............................................................. -0.3V to V
PV
Storage Temperature .................................................. -65 °C to 150 °C
Operating Temperature ................................................. -40°C to +85°C
Lead Temperature (Soldering, 10 sec) ....................................... 300 °C
Thermal Resistance ø
PARAMETER
Input Voltage Operating
Range
Minimum Output Voltage
FB Set Voltage, Vr
Overall Accuracy
(-40°C to 85°C)
(0°C to 70°C)
On-Time Constant - K
Min, T
Off-Time Constant - K
Min, T
Off-Time Blanking
PMOS Switch Resistance
NMOS Switch Resistance
Inductor Current Limit
LX Leakage Current
Power Efficiency
Minimum Guaranteed Load
Current
V
V
V
V
UVLO
Undervoltage Lockout
Threshold, V
UVLO hysteresis
Battlo Trip Voltage, V
Battlo Trip Voltage Hysteresis
BLON Low Output Voltage
BLON Leakage Current
Over-Temperature
Rising Trip Point
Over-Temperature Hysteresis
D1,D0 Leakage Current
D1,D0 Input Threshold Voltage
FB Leakage Current
IN
IN
IN
OUT
OUT
IN
IN
=UV
,V
, P
Quiescent Current
Shutdown Current
10-Pin MSOP....................................................................128°C/W
10-Pin DFN ........................................................................68°C/W
IN
GND
Quiescent Current
Shutdown Current
.............................................................................................. 6V
ON
OFF
, LX current ........................................................................ 2A
IN
=V
=K
=K
ON
SDN
OFF
IN
/(V
=3.6V, V
falling
/V
JA
IN
:
OUT
-V
OUT
IN
OFF
ON
OUT
falling
)
=V
FB
SP6651A High Efficiency 800mA Synchronous Buck Regulator
, I
UVLO
0.784
2.55
2.70
2.85
0.60
MIN
800
265
O
1.0
1.5
1.6
1.0
= 0mA, T
0.800
TYP
2.25
1.25
0.01
2.70
2.85
3.00
0.90
1.25
100
900
300
140
2.4
0.3
0.3
96
92
20
40
14
1
2
1
9
1
1
AMB
IN
+0.3V
= -40°C to +85°C, typical values at 27°C unless otherwise noted.
0.816
MAX
1.50
2.85
3.00
3.15
500
500
335
500
100
5.5
3.0
3.2
0.6
0.6
0.4
1.8
±5
±4
30
3
5
1
2
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
mV
mV
mV
µA
µA
nA
µA
nA
µA
nA
nA
°C
°C
ns
%
%
Ω
Ω
V
V
V
A
V
V
V
V
ELECTRICAL CHARACTERISTICS
Result of I
25°C, I
C
Measured at V
V
Close Loop, L
Inductor current limit tripped, VFB=0.5V
Measured at V
I
I
VFB=0.5V
D0=D1=0
V
V
V
D1=D0=0V
V
D1=D0=0V
D1=0V, D0=V
D1=V
D1=V
Measured as V
V
V
High to Low Transition
Low to High Transition
FB=1V
ABSOLUTE MAXIMUM RATINGS
PMOS
NMOS
IN
OUT
OUT
OUT
OUT
IN
BLON
OUT
=3.6V, 200mA load, Close Loop
=3.3V, I
=2.5V, I
=3.3V, I
=3.3V, V
= 22µF
= 3.3V
IN
IN
=3.6V
= 200mA
= 200mA
O
, D0=0V
, D0=V
=200mA Close Loop. L
Q
SINK
measurement at V
O
O
IN
I
=200mA
=800mA
IN
IN
=1mA
IN
= 10µH,C
OUT
=3.6V and V
IN
=5.5V, no load and
-V
© Copyright 2004 Sipex Corporation
CONDITIONS
= 2V
OUT
OUT
IN
= 22µF
= 5.5V
IN
I
=PV
= 10µH,
IN
=5.5V