nx2119 Microsemi Corporation, nx2119 Datasheet - Page 2

• Manufacturer Part Number: nx2119
• Description: Synchronous Pwm Controller With Current Limit Protection
• Manufacturer: Microsemi Corporation

ABSOLUTE MAXIMUM RATINGS
VCC to GND & BST to SW voltage .................... -0.3V to 6.5V
BST to GND Voltage ........................................ -0.3V to 35V
SW to GND ...................................................... -2V to 35V
All other pins .................................................... -0.3V to VCC+0.3V or 6.5V
Storage Temperature Range ............................... -65
Operating Junction Temperature Range ............... -40
ESD Susceptibility ........................................... 2kV
CAUTION: Stresses above those listed in "ABSOLUTE MAXIMUM RATINGS", may cause permanent damage to
the device. This is a stress only rating and operation of the device at these or any other conditions above those
indicated in the operational sections of this specification is not implied.
PACKAGE INFORMATION
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over Vcc = 5V, and T
= 25
temperature.
Rev.3.2
04/10/08
Reference Voltage
Ref Voltage
Ref Voltage line regulation
Supply Voltage(Vcc)
V
V
V
(Dynamic)
Supply Voltage(V
V
V
(Dynamic)
CC
CC
CC
BST
BST
o
Voltage Range
Supply Current (Static)
Supply Current
C. Low duty cycle pulse testing is used which keeps junction and case temperatures equal to the ambient
HDrv
Supply Current (Static)
Supply Current
LDrv
Gnd
BST
PARAMETER
8-LEAD PLASTIC SOIC(S)
1
2
3
4
JA
BST
130 C W
)
o
8
7
6
5
I
Vcc
I
SW
Comp
Fb
(Dynamic)
(Dynamic)
BST
CC
SYM
V
V
(Static) Outputs not switching
I
(Static) Outputs not switching
I
BST
REF
CC
CC
C
C
LOAD
LOAD
=3300pF F
=3300pF
o
Test Condition
o
C to 150
C to 125
o
o
C
C
F
S
HDrv
LDrv
=300kHz
BST
Gnd
S
=300kHz
8-LEAD PLASTIC MSOP
1
2
3
4
A
= 0 to 70
JA
Min
4.5
216 C W
o
NX2119/2119A
o
C. Typical values refer to Ta
TBD
TBD
TYP
0.8
0.2
0.2
8
7
6
5
5
3
SW
Comp
Fb
Vcc
MAX
5.5
Units
mA
mA
mA
mA
%
V
V
2