nx2139a Microsemi Corporation, nx2139a Datasheet - Page 4

• Manufacturer Part Number: nx2139a
• Description: Single Channel Mobile Pwm And Ldo Controller
• Manufacturer: Microsemi Corporation

NOTE1: This parameter is guaranteed by design but not tested in production(GBNT).
Rev. 2.3
03/19/09
ENSW/MODE threshold and
bias current
PFM/Non Synchronous Mode
Ultrasonic Mode
Synchronous Mode
Shutdown mode
Input bias current
LDO Controller
Quiescent current
LDOEN logic high voltage
LDOEN logic low voltage
LDOFB reference voltage
Output UVLO threshold
Open loop gain
LDOFB input bias current
LDODrv sourcing current
LDODrv sinking current
LDO PGOOD threshold
LDO PGOOD propagation
delay filter
LDO PGOOD impedance
Current Limit
Ocset setting current
Over temperature
Threshold
Hysteresis
Under voltage
FB threshold
Over voltage
Over voltage tripp point
Internal Schottky Diode
Forward voltage drop
PARAMETER
SYM
Leave it open or use limits in
spec
ENSW/MODE=VCC
ENSW/MODE=GND
PWM OFF, LDOEN=HI,
IOUT=0mA
NOTE1
LDOFB=0.72V
LDOFB=0.78V
NOTE1
NOTE1
Forward current=50mA
Test Condition
0.728
VCC
VCC
80%
60%
Min
20
2
0
2
TYP
0.75
155
125
500
70
60
90
13
24
15
70
-5
5
1
2
2
2
NX2139A
VCC+0
0.773
MAX
VCC
VCC
80%
60%
.3V
0.8
0.8
28
1
%Vref
%Vref
%Vref
%Vref
Units
ohm
mA
mA
mA
mV
DB
uA
uA
uA
uA
us
o
o
V
V
V
V
V
V
V
C
C
4