AME
High PSRR, Low Quiescent Current,
150mA Dual CMOS LDO
AME8755
n Electrical Specifications
VIN = VOUT + 1V or 2.7V, whichever is higher, where VOUT is the higher one of VOUT1(nom) and VOUT2(nom), IOUT = 1mA, VEN
VIN and COUT = 1mF(X7R), CIN = 1mF unless otherwise noted. Typical values are at TA = 25oC.
=
Test Conditions
Parameter
Input Voltage
Symbol
VIN
Min
2.7
-2
Typ
Max Units
5.5
2
V
%
Output Voltage Accuracy
Output Current
VOUT
IOUT
150
70
mA
mA
Quiescent Current
IQ
VEN = VIN, IOUT = 0mA
120
350
450
550
3.00V ≦ VOUT ≦ 3.30V
250
2.50V ≦ VOUT ≦ 2.95V
2.20V ≦ VOUT ≦ 2.45V
300
Dropout Voltage
VDROP IOUT=150mA
mV
350
V
OUT ≦2.15V
Note 1
VOUT+Vdrop< VIN < 5.5V, where VOUT
is the higher one of VOUT1(nom) and
VOUT2(nom)
Output Voltage Line Regulation
(Note2)
REGLINE
REGLOAD
-0.1
0.025
0.1
%/V
Output Voltage Load
Regulation (Note3)
1mA < IOUT < 150mA
-0.005 0.0025 0.005 %/mA
Output Current Limit
Shutdown Current
ILIM
ROUT = 1W
300
550
0.1
70
mA
mA
dB
V
ISHDN
VEN = 0V, VIN(min) < VIN < VIN(max)
f = 1kHz, IOUT = 1mA
1
Power Supply Ripple Rejection PSRR
Enable High (enabled)
VEN(HI)
VEN(LO)
IEN
VIN(min) < VIN < VIN(max)
VIN(min) < VIN < VIN(max)
VEN = VIN
1.4
0
VIN
0.4
1
Enable Low (shutdown)
Enable Pin Current (enabled)
V
0.1
160
140
mA
TSHDN
TRS
Shutdown, temperature increasing
Restore, temperature decreasing
OC
Thermal Shutdown Temperature
Note 1. For VOUT ≦2.15V, VDROP=2.7V-VOUT
Note 2. (△VOUT/△VIN)*% / VOUT
Note 3. (△VOUT/VOUT)*% / △IOUT
8
Rev. A.01
AMETHERM [ AMETHERM CIRCUIT PROTECTION THERMISTORS ]
