SP7600EN2-L/TR Exar Corporation, SP7600EN2-L/TR Datasheet - Page 2

• Manufacturer Part Number: SP7600EN2-L/TR
• Description: IC CONV PWM STP-DN 29V 8HNSOIC
• Manufacturer: Exar Corporation

Specifications of SP7600EN2-L/TR

• Package / Case: 8-SOIC (0.154", 3.90mm Width) Exposed Pad
• Constant Current: Yes
• Topology: PWM, Step-Down (Buck)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: General Purpose
• Type - Secondary: White LED
• Frequency: 960kHz ~ 1.44MHz
• Voltage - Supply: 4.5 V ~ 29 V
• Mounting Type: Surface Mount
• Low Level Output Current: 2 A
• Operating Supply Voltage: 4.5 V to 29 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 1016-1233 - EVAL BOARD FOR SP7600
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ABSOLUTE MAXIMUM RATINGS
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.
Input Voltage ............................................. -0.3V to 30V
Lx................................................................-2V to 30V
FB .....................................................-0.3V to V
Storage Temperature .............................. -65°C to 150°C
Power Dissipation (Note 1) ................... Internally Limited
Lead Temperature (Soldering, 10 sec) ................... 300°C
ESD Rating (Lx, ISET) ....................................1KV - HBM
ESD Rating (All other pins) .............................2KV - HBM
ELECTRICAL SPECIFICATIONS
Specifications with standard type are for an Operating Junction Temperature of T
Operating Junction Temperature range are denoted by a “•”. Minimum and Maximum limits are guaranteed through test,
design, or statistical correlation. Typical values represent the most likely parametric norm at T
reference purposes only. Unless otherwise indicated, V
Note 1: All parameters tested at T
© 2009 Exar Corporation
UVLO Turn-On Threshold
UVLO Turn-Off Threshold
UVLO Hysteresis
Operating Input Voltage Range
Operating Input Voltage Range
Operating VCC Current
Standby VCC Current
Reference Voltage
Reference Voltage
Switching Frequency
Minimum On-Pulse Duration
Minimum Duty Cycle
Maximum Duty Cycle
VDR Voltage
Over-Current Threshold
ISET Pin Input Current
OFF Interval During Hiccup
SHDN Threshold
SHDN Threshold Hysteresis
Switch On Resistance
Switch Leakage
Parameter
A
=25°C. Specifications over temperature are guaranteed by design.
Min.
186
960
100
300
4.0
3.8
4.5
4.5
0.8
25
7
2
2
1200
Typ.
200
200
350
100
100
4.2
4.0
0.2
0.6
1.0
A
A
40
33
95
2
3
IN
2
2
+0.3V
9
9
IN
V
V
= 4.5V to 29V, C
Max.
1440
214
100
400
4.5
4.3
5.5
1.2
29
29
40
N
N
2/13
0
3
1
5
o
o
n
n
OPERATING RATINGS
Input Voltage Range V
Junction Temperature Range ....................-40°C to 125°C
Thermal Resistance θ
-
-
S
S
Units
kHz
mΩ
y
mA
mA
mV
mV
mV
mV
y
ms
µA
µA
ns
%
%
V
V
V
V
V
V
V
n
n
c
IN
c
.
.
= 1µF, T
B
B
•
•
•
•
•
•
u
u
c
J
c
0°C ≤ T
Measure V
V
Measure V
Apply voltage to FB
0°C ≤ T
0°C ≤ T
V
V
V
= 25°C only; limits applying over the full
k
k
FB
FB
IN
IN
J
=V
=0.1V, not switching
=1.2V, not switching
= –40°C to 125°C.
> 7V
H
H
JA
Lx
IN
i
i
...................................... 59°C/W
................................4.5V to 29V
g
g
J
J
J
≤ 125°C
≤ 125°C
≤ 125°C
h
h
IN
IN
-V
-Lx
J
P
P
= 25°C, and are provided for
DR
o
Conditions
o
w
w
e
e
r
r
L
L
E
E
S
S
D
D
P
P
Rev. 2.0.0
D
D
7
7
r
r
6
6
i
i
v
v
0
0
e
e
0
0
r
r