nx2158 Microsemi Corporation, nx2158 Datasheet - Page 3

• Manufacturer Part Number: nx2158
• Description: Pwm Boost Controller
• Manufacturer: Microsemi Corporation

Rev.1.2
12/30/09
ENBUS
ENBUS threshold
ENBUS Hysteresis
SS
Soft Start time
Oscillator (Rt)
Frequency
Ram p-Amplitude Voltage
LDRV Max Duty Cycle
HDRV Min Controlable On Time
Error Amplifiers
Transconductance
Input Bias Current
Com p SD Threshold
High Side Driver(C
Output Impedance , Sourcing
Output Impedance , Sinking
Rise Time
Fall T ime
Deadband Time
Low Side Driver (C
Output Impedance, Sourcing
Output Impedance, Sinking
Current
Rise Time
Fall T ime
Deadband Time
OCP
OCP current
Over temperature
Threshold
Hysteresis
PGOOD
Pgood high rising threshold
Power good hysteresis
PARAMETER
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
L
L
=2200pF)
=2200pF)
R
THdrv(Rise)
R
T Ldrv(Rise)
THdrv(Fall)
Tdead(H to
Tdead(L to
TLdrv(Fall)
R
R
source
source
sink
sink
V
SYM
Tss
RAMP
F
(Hdrv)
L)
Ib
(Ldrv)
(Hdrv)
(Ldrv)
S
Analog Mixed Signal Group
Microsemi
Rt=44k
Rt=44k
Rt=44k
going High, 10% to 10%
Ldrv going Low to Hdrv
SW going Low to Ldrv
Test Condition
I=200mA
I=200mA
I=200mA
I=200mA
1500
0.05
M in
550
0.4
60
30
78
1
1800
TYP
640
150
1.2
0.1
1.6
0.5
0.3
1.9
1.7
1.9
70
14
17
30
13
12
10
37
20
90
1
5
2500
MAX
0.15
0.58
720
250
100
NX2158
1.4
80
50
95
% Vref
Un its
umho
ohm
ohm
ohm
ohm
kHz
m S
nS
nA
uA
ns
ns
ns
ns
ns
ns
o
o
%
%
V
V
V
V
C
C
3