NX2116A MICROSEMI [Microsemi Corporation], NX2116A Datasheet - Page 3

• Manufacturer Part Number: NX2116A
• Description: SYNCHRONOUS PWM CONTROLLER WITH CURRENT LIMIT, POWER GOOD & OVER VOLTAGE
• Manufacturer: MICROSEMI [Microsemi Corporation]

Rev. 3.0
03/14/06
Under Voltage Lockout
V
V
Oscillator
Frequency
Ramp-Amplitude Voltage
Max Duty Cycle
Min Duty Cycle
Error Amplifiers
Transconductance
Input Bias Current
EN & SS
Soft Start time
Enable HI Threshold
Enable Hysterises
High Side Driver
(CL=3300pF)
Output Impedance , Sourcing
Current
Output Impedance , Sinking
Current
Rise Time
Fall Time
Deadband Time
Low Side Driver
(CL=3300pF)
Output Impedance, Sourcing
Current
Output Impedance, Sinking
Current
Rise Time
Fall Time
Deadband Time
OCP Adjust
OCP current
Power Good(Pgood)
Threshold Voltage as % of
Vref
Hysteresis
CC
CC
-Threshold
-Hysteresis
PARAMETER
R
THdrv(Rise)
R
TLdrv(Rise)
V
THdrv(Fall)
Tdead(H to
Tdead(L to
TLdrv(Fall)
R
R
V
source
source
CC
sink
sink
CC
V
SYM
_UVLO V
Tss
RAMP
F
H)
_Hyst
(Hdrv)
L)
Ib
(Ldrv)
(Hdrv)
S
(Ldrv)
V
2116, 2117
2116A,2117A
2116B
NX2116,NX2117
NX2116A, NX2117A
NX2116B
Ldrv going Low to Hdrv going
SW going Low to Ldrv going
CC
CC
NX2116/2116A/2116B/2117/2117A
Rising
Falling
High, 10% to 10%
Test Condition
High, 10%-10%
V
V
FB ramping up
BST
BST
10% to 90%
90% to 10%
I=200mA
I=200mA
I=200mA
I=200mA
-V
-V
SW
SW
=4.5V
=4.5V
Min
3.8
1000
2000
TYP
1.25
0.65
300
600
150
0.2
1.5
6.8
0.9
0.9
0.5
95
10
50
50
30
50
50
30
40
90
4
5
MAX
4.2
0
Units
umho
ohm
ohm
ohm
ohm
kHz
kHz
kHz
mS
mV
nA
uA
ns
ns
ns
ns
ns
ns
%
%
%
%
V
V
V
V
3