ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
DC Supply Voltage at Pin 1
Enable Input Voltage at Pin 2 and Pin 3
Continuous Power Dissipation
-0.3 to +6.0
-0.3 to +6.0
Internally limited
V
V
W
VIN
VEN
PD
Storage Temperature Range
-65 to +150
235
-40 to +125
TSTG
RθJA
TJ,MAX
TL
°c
°c/W
°c
°c
kV
Thermal Resistance, Junction-To-Air
Operating Junction Temperature
Lead Temperature (Soldering, 5sec)
ESD Capability, HBM model
260
2
ESD
RECOMMENDED OPERATING CONDITIONS
Symbol
VIN
Parameter
DC Supply Voltage at Pin 1
Value
+2.5 to 5.5
Unit
V
Enable Input Voltage at Pin 2 and Pin 3
Operating Ambient Temperature
V
VEN
TA
0 to VIN
-40 to +85
°c
ELECTRICAL CHARACTERISTICS
(VIN=VOUT(NOMINAL)+1V or 2.5V (whichever is greater), VEN=VIN, CIN=COUT=1µF, IO=1mA, TA=25°C, unless otherwise noted.)
Symbol
VIN
ΔVOUT
ΔVLOAD
Parameter
Supply Voltage
Output Voltage Accuracy
Load Regulation
Test Conditions
Min. Typ. Max.
Unit
V
%
2.5
5.5
1.0
0.5
-1.0
IO = 1mA ( both regulator )
IO=1mA to 300mA ( both regulator )
%
Line Regulation
dVOUT/( dVIN*VOUT(NOMINAL)
)*100%
VIN =VOUT(NOMINAL) +0.1V (or 2.5V,
whichever is greater) to 5.5V, IO=1mA
( both regulator )
0.05
%/V
ΔVl LINE
VDP
Dropout Voltage (Note 1)
150
80
220
100
mV
mV
ILOAD = 300mA ( both regulator )
ILOAD = 100mA ( both regulator )
Continuous
VIN-VOUT =1.3V ( regulator 1 )
VIN-VOUT =1.3V ( regulator 2 )
Maximum Output Current
Current Limit/Output Current
300
350
350
IO
ILIM
mARMS
mA
600
600
IQ
IG
Standby Current
0.02
200
1
µA
µA
VEN = 0V
Ground pin current
300
I
LOAD1 = ILOAD2 =1mA ( both regulator
active)
f = 100Hz, Cout= 1µF, Cbyp=10nF
75
70
dB
dB
PSRR
PSRR
Ripple Rejection, IOUT = 10mA,
Output voltage noise
f = 10KHz, Cout= 1µF, Cbyp =10nF
COUT = 1µF, CBYP = 10nF,
140
µVRMS
F = 10Hz to 100K Hz (Vp-p/2/√2)
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Logic Input High Voltage (EN)
Logic Input Low Voltage (EN\)
Logic Input Current (SHDN\)
165
20
°C
°C
V
V
µA
VIH
VIL
IEN
( both regulator )
( both regulator )
( both regulator )
1.2
-1
0.4
1
Note 1: The Dropout Voltage is defined as VIN - VOUT, when VOUT is 2% below the value of VOUT measured for
VIN=VOUT(nominal)+1V.
July 2007
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