Dual Dropout Positive Voltage Regulator assignment: Input Input G

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Dual Dropout Positive Voltage Regulator assignment: Input Input G

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TS1537A/B/C
Dual Dropout Positive Voltage Regulator
assignment: Input Input Ground Output (3.3V/2.5V) Output (2.5V/1.8V)
Dual Output 3.3V, 2.5V 1.8V Dropout Voltage 1.3V max.
General Description
TS1537A, TS1537B TS1537C dropout positive voltage regulators with minimum output current capability. product specifically designed provide well-regulated supply voltage applications such high-speed termination current 3.3V/2.5V (TS1537A) 3.3V/1.8V(TS1537B) 2.5V/1.8V(TS1537C) logic supply. This series guaranteed have less 1.4V dropout full load current making ideal provide well regulated outputs dual channels with input supply. This series offered 5-pin TO-263-5L package.
Features
dropout performance 1.3V max. Full current rating over line temperature. Fast transient response ±2%Total output regulation over line, load temperature Build-in thermal shutdown each channel Output current limiting each channel Good noise rejection Channel 1=3.3V (TS1537A/B) 2.5V (TS1537C) Channel 2=2.5V (TS1537A) 1.8V (TS1537B/C)
Block Diagram (each channel)
Ordering Information
Part TS1537ACM5 TS1537BCM5 TS1537CCM5 Note: TS1537A ch1=3.3V, ch2=2.5V, TS1537B ch1=3.3V, ch2=1.8V. TS1537C ch1=2.5V, ch2=1.8V. TO-263-5L Operating Temp. (Ambient) Package
Absolute Maximum Rating
Input Supply Voltage Operation Input Supply Voltage Power Dissipation Operating Junction Temperature Range Storage Temperature Range Lead Soldering Temperature (260 (operate) TSTG Internally Limited +150 +150
TS1537A/B/C
2003/12 rev.
Electrical Characteristics
unless otherwise specified.
Parameter
Output Voltage TS1537A/B-Vout TS1537A/C-Vout TS1537B/C-Vout Input Supply Voltage Line Regulation Load Regulation Vout Vout
Conditions
4.8V Io=10mA Io=10mA Io=10mA
3.267 2.475 1.782
-0.015 0.008 -0.5
3.366 2.550 1.836 0.04
Unit
Vout+1.5V Io=10mA Vin=5V, 10mA Vin=4V, 10mA Io=1A, Vout=0.1%Vout (note Ta=25 30mS pulse Vout=3V Io=10mA 120Hz, Io=1A Cout=25uF, Vin=Vout
-1.1
(note 1,2) Dropout Voltage
Minimum Load Current Thermal Regulation Current Limit Temperature Stability Ripple Rejection
Thermal Performance
Condition
Thermal Resistance Junction Ambient TO-263-5L
Package type
Unit
Note thermal regulation specification changes output voltage heating effects. Line load regulation measured constant junction temperature duty cycle pulse testing. Load regulation measured output lead 1/18" from package. Note Line load regulation guaranteed maximum power dissipation 15W. Power dissipation determined input output voltage difference output current. Guaranteed maximum power dissipation will available over full input output voltage range. Note Quiescent current defined minimum output current required maintain regulation.
TS1537A/B/C
2003/12 rev.
Typical Application Circuit
version
version
version
TS1537A/B/C
2003/12 rev.
Electrical Characteristics Curve (each channel)
Figure dropout voltage v.s. output current Figure load regulation v.s. temp.
Figure output change v.s. temp.
Figure line regulation
Figure line transient response
Figure load transient response
TS1537A/B/C
2003/12 rev.
TO-263-5L Mechanical Drawing
TO-263-5L DIMENSION MILLIMETERS INCHES 10.220 14.600 0.750 1.573 4.560 1.240 2.280 0.280 8.240 1.540 10.260 15.870 0.770 1.827 4.570 1.270 2.790 0.320 8.280 1.800 0.402 0.575 0.030 0.062 0.179 0.049 0.090 0.011 0.324 0.060 0.404 0.625 0.030 0.072 0.180 0.050 0.110 0.013 0.326 0.071
TS1537A/B/C
2003/12 rev.

Dual Dropout Positive Voltage Regulator assignment: Input Input G

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