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NX2139A bảng dữ liệu(PDF) 3 Page - Microsemi Corporation

tên linh kiện NX2139A
Giải thích chi tiết về linh kiện  SINGLE CHANNEL MOBILE PWM AND LDO CONTROLLER
PDF  21 Pages
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nhà sản xuất  MICROSEMI [Microsemi Corporation]
Trang chủ  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation

NX2139A bảng dữ liệu(HTML) 3 Page - Microsemi Corporation

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NX2139A
3
Rev. 2.3
03/19/09
N
PARAMETER
SYM
Test Condition
Min
TYP
MAX
Units
VCC UVLO
Under-voltage Lockout
threshold
V
CC_UVLO
3.9
4.1
4.5
V
Falling VCC threshold
3.7
3.9
4.3
V
ON and OFF time
TON operating current
VIN=15V, Rton=1Mohm
15
uA
ON -time
VIN=9V,VOUT=0.75V,
Rton=1Mohm
312
390
468
ns
Minimum off time
380
590
800
ns
FB voltage
Internal FB voltage
Vref
0.739
0.75
0.761
V
Input bias current
100
nA
Line regulation
VCC from 4.5V to 5.5V
-1
1
%
OUTPUT voltage
Output range
0.75
3.3
V
VOUT shut down discharge
resistance
ENSW/MODE=GND
30
ohm
Soft start time
1.5
ms
PGOOD
Pgood high rising threshold
90
% Vref
PGOOD delay after softstart
NOTE1
1.6
ms
PGOOD propagation delay
filter
NOTE1
2
us
Power good hysteresis
5
%
Pgood output switch
impedance
13
ohm
Pgood leakage current
1
uA
SW zero cross comparator
Offset voltage
5
mV
High Side Driver
(CL=3300pF)
Output Impedance , Sourcing
Current
R
source(Hdrv)
I=200mA
1.5
ohm
Output Impedance , Sinking
Current
R
sink(Hdrv)
I=200mA
1.5
ohm
Rise Time
THdrv(Rise)
10% to 90%
50
ns
Fall Time
THdrv(Fall)
90% to 10%
50
ns
Deadband Time
Tdead(L to
H)
Ldrv going Low to Hdrv going
High, 10% to 10%
30
ns
Low Side Driver
(CL=3300pF)
Output Impedance, Sourcing
Current
R
source(Ldrv)
I=200mA
1.5
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
10
ns
Deadband Time
Tdead(H to
L)
SW going Low to Ldrv going
High, 10% to 10%



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