Data Sheet
AZ1117
1A LOW DROPOUT LINEAR REGULATOR
CURRENT MODE PWM CONTROLLER
AZ2842/3/4/5
Electrical Characteristics
AZ1117-ADJ Electrical Characteristics
o
Operating Conditions: V ≤10V, T =25 C, unless otherwise specified.
IN
J
Parameter
Symbol
Conditions
Min
Typ
1.250 1.262
1.250 1.270
Max Unit
IOUT = 10mΑ, VIN-VOUT = 2V
10mA≤ IOUT ≤ 1Α, 1.4V≤ VIN-VOUT ≤ 8V,
P≤ Maximum Power Dissipation
Reference Voltage
VREF
1.238
1.225
V
Line Regulation
Load Regulation
∆VOUT IOUT = 10mA, 1.5V≤ VIN-VOUT ≤ 10V
∆VOUT VIN -VOUT = 2V, 10mA≤ IOUT ≤ 1Α
∆VREF = 1%, IOUT = 0.1Α
0.035
0.2
0.2
0.4
%
%
V
V
V
A
1.00
1.08
1.15
1.35
1.1
Dropout Voltage
∆VREF = 1%, IOUT = 0.5Α
1.18
1.25
∆VREF = 1%, IOUT = 1.0Α
Current Limit
ILIMIT VIN-VOUT = 2V
1.25
Adjust Pin Current
60
120
5
µA
µA
Adjust Pin Current
Change
1.4V≤ VIN-VOUT ≤ 10V, 10mA ≤ IOUT ≤ 1A
1.5V≤ VIN-VOUT ≤ 10V (ADJ only)
0.2
Minimum Load Current
(ADJ)
1.7
5
mA
Quiescent Current
Ripple Rejection
V
IN=VOUT +1.25V
5
10
mA
dB
f =120Hz, COUT =22µF Tantalum,
60
75
VIN-VOUT = 3V, IOUT =1A
Temperature Stability
Long -Term Stability
0.5
0.3
%
%
TA=125oC, 1000hrs
TA=25oC, 10Hz ≤ f ≤ 10kHz
RMS Output Noise
0.003
%
(% of VOUT
)
SOT-223
SOT-89-3
TO-252-2
TO-220-3
TO-263-3
15
75
10
4.5
4
Thermal Resistance,
Junction to Case
θJC
oC/W
oC
oC
Thermal Shutdown
Junction Temperature
150
25
Thermal Shutdown
Hysteresis
Oct. 2005 Rev. 1. 7
BCD Semiconductor Manufacturing Limited
7
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
