nx2154 Microsemi Corporation, nx2154 Datasheet - Page 2

• Manufacturer Part Number: nx2154
• Description: 300khz Synchronous Pwm Controller
• Manufacturer: Microsemi Corporation

ABSOLUTE MAXIMUM RATINGS
Vcc to GND & BST to SW voltage ................... 6.5V
BST to GND Voltage ...................................... 50V
Storage Temperature Range ............................. -65
Operating Junction Temperature Range ............. -40
NOTE1: 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.1.2
02/26/07
Reference Voltage
Ref Voltage
Ref Voltage line regulation
Supply Voltage(Vcc)
V
V
V
(Dynamic)
Supply Voltage(V
V
V
(Dynamic)
Under Voltage Lockout
V
V
CC
CC
CC
BST
BST
CC
CC
HDrv
LDrv
-Threshold
-Hysteresis
o
Gnd
BST
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
Supply Current (Static)
Supply Current
8-PIN PLASTIC SOIC (S)
PARAMETER
1
2
3
4
JA
BST
130 C W
)
o
8
7
6
5
Vcc
SW
Comp
Fb
I
V
I
(Dynamic)
(Dynamic)
BST
CC
V
CC
CC
SYM
V
V
(Static) Outputs not switching
I
_UVLO V
(Static) Outputs not switching
I
BST
_Hyst
REF
CC
CC
4.5V<Vcc<5.5V
C
C
V
CC
CC
LOAD
LOAD
Rising
Falling
o
o
C to 150
=3300pF F
=3300pF
C to 125
Test Condition
(NOTE1)
o
o
C
C
F
S
=300kHz
S
=300kHz
A
= 0 to 70
Min
4.5
o
NX2154/2154A
C. Typical values refer to T
TYP
0.15
0.22
0.8
0.4
4.2
5
3
5
5
MAX
5.5
Units
mA
mA
mA
mA
%
V
V
V
V
2
A