SP7656EN2-L Exar Corporation, SP7656EN2-L Datasheet - Page 2
SP7656EN2-L
Manufacturer Part Number
SP7656EN2-L
Description
IC CONV BUCK NON-SYNC 8HNSOIC
Manufacturer
Exar Corporation
Series
Power Blox™r
Type
Step-Down (Buck)r
Datasheet
1.SP7656EN2-LTR.pdf
(10 pages)
Specifications of SP7656EN2-L
Package / Case
8-SOIC (0.154", 3.90mm Width) Exposed Pad
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
0.6 V ~ 28 V
Current - Output
3A
Frequency - Switching
600kHz
Voltage - Input
4.5 V ~ 29 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
*
Output Current
3 Amps
Input Voltage
4.5 V
Operating Temperature Range
- 40 C to + 125 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SP7656EN2-L
Manufacturer:
SIPEX
Quantity:
5 514
Part Number:
SP7656EN2-L-TR
Manufacturer:
EXAR/艾科嘉
Quantity:
20 000
Company:
Part Number:
SP7656EN2-L/TR
Manufacturer:
SIMTEK
Quantity:
301
Company:
Part Number:
SP7656EN2-L/TR
Manufacturer:
Exar
Quantity:
135
Part Number:
SP7656EN2-L/TR
Manufacturer:
SIPEX
Quantity:
20 000
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.
PVIN….............................................................. -0.3V to 30V
SVIN…………………………………………..….. -0.3V to 30V
Lx………………………….……………………….…-2V to 30V
ISET…………………………….……………………-2V to 30V
ELECTRICAL SPECIFICATIONS
Specifications are for T
Unless otherwise specified: V
ABSOLUTE MAXIMUM RATINGS
UVLO Turn-On Threshold
UVLO Turn-Off Threshold
UVLO Hysteresis
Operating Input Voltage
Range
Operating Input Voltage
Range
Operating VCC Current
Reference Voltage Accuracy
Reference Voltage Accuracy
Reference Voltage
Reference Voltage
Switching Frequency
Minimum ON-Pulse Duration
Minimum Duty Cycle
Maximum Duty Cycle
SVIN - VDR voltage difference
Overcurrent Threshold
ISET pin Input Current
OFF interval during hiccup
Soft start time
SHDN Threshold
SHDN Threshold Hysteresis
P-Channel FET ON
Resistance
P-Channel FET Source
leakage
11/07/08 SP7656 PowerBlox
PARAMETER
AMB
=T
J
=25C, and those denoted by ♦ apply over the full operating range, -40C< T
IN
=4.5V to 29V, C
0.588
MIN
510
100
270
4.2
4.0
4.5
4.5
0.8
25
7
3
IN
= 4.7F.
TYP
4.35
4.15
600
300
100
100
0.2
0.3
0.5
0.5
0.6
0.6
1.0
40
30
60
5
3
0.612
MAX
690
100
330
4.5
4.3
5.5
1.2
29
29
35
3
2
0
9
5
2
FB……………..................................................-0.3V to 5.5V
Storage Temperature..…….……………..…-65 C to 150 C
Junction Temperature..................................-40C to 125C
Lead Temperature (Soldering, 10 sec)......…………..300 C
UNITS
kHz
mA
mV
mV
mΩ
ms
ms
µA
µA
ns
%
%
%
%
V
V
V
V
V
V
V
V
V
♦
♦
♦
♦
♦
♦
♦
0C< T
0C< T
0C< T
VFB=1.2V
*See Duty Cycle restriction- applications section
Measure SVIN – VDR, SVIN>7V
Measure SVIN - ISET
V
VFB=0.58V, measure between VIN=4.5V
and first GATE pulse
Apply voltage to FB
ISET
= SVIN
j
j
j
<85C
<85C
<85C
Copyright 2008 EXAR Corporation
CONDITIONS
j
<85C.