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EZ1580_10 Datasheet, PDF (2/6 Pages) Semtech Corporation – Dual Input Low Dropout Regulator
EZ1580/EZ1581
EZ1582/EZ1583
POWER MANAGEMENT
Absolute Maximum Ratings
Parameter
Symbol
Maximum
Units
Power Input Voltage
Control Input Voltage
Power Dissipation
Thermal Resistance Junction to Ambient
EZ158X TO-220
EZ158X TO-263
Thermal Resistance Junction to Case
EZ1580/1 (TO-220 & TO-263)
EZ1582/3 (TO-220 & TO-263)
Operating Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering) 10 Sec.
ESD Rating (Human Body Model)
VPWR
VCTL
PD
θJA
θJC
TJ
TSTG
TLEAD
ESD
7
13.2
Internally Limited
50
60
2
3
0 to +125
-65 to +150
300
2
V
V
W
°C/W
°C/W
°C
°C
°C
kV
Electrical Characteristics(7)
Unless specified: VOUT = VSNS, VADJ = 0V, CCTL = CPWR = COUT = 10µF. Values in bold apply over full operating temperature range.
Parameter
Symbol
Test Conditions
Min Typ Max Units
Reference Voltage(1)
VREF
(Adj. Voltage Versions)
Output Voltage(1)
(2.5V Version)
VOUT
Line Regulation(1)
REG(LINE)
Load Regulation(1)
REG(LOAD)
VPWR Dropout Voltage (1)(2)
EZ1581, EZ1582,
EZ1583
VPWR - VOUT
VPWR = 2.05V, VCTL = 4.5V, IOUT = 10mA
VPWR = 2.05V,
VCTL = 4.5V, 10mA < IOUT < IRATED
VPWR = 3.3V, VCTL = 4.5V, IOUT = 10mA
VPWR = 3.3V,
VCTL = 4.5V, 10mA < IOUT < IRATED
VPWR = (VOUT + 0.8V) to 5.5V,
VCTL = 4.5V to 12V, IOUT = 10mA
VPWR = VOUT + 0.8V,
VCTL = 4.5V, IOUT = 10mA to IRATED
1.237 1.250 1.263 V
1.231
1.269
-1
VOUT
+1
%
-1.5
+1.5
1.0 3.0 mV
1.0 5.0 mV
VCTL = 4.75V, I O = IRATED
0.40 0.50 V
0.50 0.60
VPWR Dropout Voltage (1)(2)
EZ1580
VCTL = 4.75V, I O = IRATED
0.54 0.62 V
0.70 0.80
 2005 Semtech Corp.
2
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