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NX2116A 데이터시트(PDF) 3 Page - Microsemi Corporation

부품명 NX2116A
상세설명  SYNCHRONOUS PWM CONTROLLER WITH CURRENT LIMIT, POWER GOOD & OVER VOLTAGE
PDF  14 Pages
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제조업체  MICROSEMI [Microsemi Corporation]
홈페이지  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

NX2116A 데이터시트(HTML) 3 Page - Microsemi Corporation

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



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