ST2L01 STMicroelectronics, ST2L01 Datasheet

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ST2L01

Manufacturer Part Number
ST2L01
Description
DUAL VOLTAGE REGULATOR
Manufacturer
STMicroelectronics
Datasheet

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ST2L01
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ST2L01K5
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ST2L01K5R
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ST2L01PTR
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DESCRIPTION
Specifically
applications, this device integrates two voltage
regulators, each one able to supply 1A. It is
assembled in PPAK and in a new surface
mounting package named SPAK (PowerFlex ) at
5 pins. The first regulator block supply 3.3V to
power the Read Channel and Memory Chips
requiring this voltage. The second one is an
Adjustable output voltage from 1.25V to 3.0V that
SCHEMATIC DIAGRAM
March 2002
V
V
GUARANTEED OUTPUT1 CURRENT: 1A
GUARANTEED OUTPUT2 CURRENT: 1A
TYPICAL DROPOUT 1.1V
(I
INTERNAL POWER AND THERMAL LIMIT
STABLE WITH LOW ESR OUTPUT
CAPACITOR
OPERATING TEMPERATURE RANGE:
0°C TO 125°C
AVAILABLE IN PPAK AND SPAK-5L
(PowerFlex ) PACKAGE
2% OUTPUT TOLERANCE (AT 25°C)
OUT1
OUT1
OUT2
= I
= +3.3V FIXED
= 1.25 TO 3.0V ADJUSTABLE
OUT2
designed
=1A)
Protection
Protection
Thermal
Thermal
VREF1
VREF1
VREF2
VREF2
for
data
Err-Amp
Err-Amp
Err-Amp
Err-Amp
storage
www.DataSheet4U.com
Power Output
Power Output
Power Output
Power Output
DUAL VOLTAGE REGULATOR
Over current
Over current
Over current
Over current
Protection
Protection
Protection
Protection
could
micro-controllers.
Both
overtemperature protected.
The very good thermal performances of the
package SPAK with only 2°C/W of Thermal
Resistance Junction to Case is important to
underline.
outputs
power
PPAK
RA
RA
RB
RB
GND
GND
several
are
VOUT1
VOUT1
VOUT2
VOUT2
ADJ
ADJ
current
(PowerFlex )
kind
SPAK-5L
ST2L01
limited
of
different
and
1/12

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ST2L01 Summary of contents

Page 1

... Resistance Junction to Case is important to underline. Over current Over current Protection Protection Power Output Power Output Err-Amp Err-Amp Err-Amp Err-Amp Power Output Power Output Over current Over current Protection Protection ST2L01 PPAK SPAK-5L (PowerFlex ) several kind of are current limited VOUT1 VOUT1 GND GND ...

Page 2

... Output Pin: adjustable output voltage; bypass with capacitor to GND Output Pin: fixed (3.3V) output voltage; bypass with capacitor to GND SPAK (Power Flex ) 5 leads (*) ST2L01K5 Value 10 4 -55 to +125 0 to +125 Value 4.75 to 5.25 0. SPAK-5L PPAK 2 8 SPAK-5L PPAK (*) ST2L01PT Unit V KV °C °C Unit Unit °C/W ...

Page 3

... )+I O REF 125°C unless otherwise (X7R Min. Typ. Max 3.23 3.3 3.37 3.2 3.3 3.4 0 1.1 1.3 < 0.1 40 0.5 0.3 required to mantain regulation measured O O ST2L01 R ADJ 1 Unit %/W Vrms % 3/12 ...

Page 4

... ST2L01 ELECTRICAL CHARACTERISTICS OF OUTPUT 2 (V specified. Typical values are referred at T "Typical Application Circuit "figure with R Symbol Parameter V Operating Input Voltage I V Output Voltage Reference Voltage REF (measured between pins 4 and 2) V Line Regulation Load Regulation Dropout Voltage 2 ...

Page 5

... Surface-mountable solid tantalum capacitors offer a good combination of small physical size for the capacitance value and ESR in the range needed by the ST2L01. The test results show good stability for both outputs with values of at least 1 F. The value can be increased without limit for ...

Page 6

... ST2L01 TYPICAL CHARACTERISTICS (C Figure 1 : Input Current vs Temperature Figure 2 : Input Current vs Input Voltage Figure 3 : Output Voltage vs Temperature 6/ (X7R Figure 4 : Load Regulation vs Temperature Figure 5 : Output Voltage vs Input Voltage Figure 6 : Dropout Voltage vs Temperature ...

Page 7

... Figure 7 : Line Regulation vs Temperature Figure 8 : Supply Voltage Rejection vs Frequency Figure 9 : Supply Voltage Rejection vs Temperature Figure 10 : Dropout Voltage vs Output Current Figure 11 : Reference Voltage vs Temperature Figure 12 : Output Voltage vs Input Voltage ST2L01 7/12 ...

Page 8

... ST2L01 Figure 13 : Line Regulation vs Temperature Figure 14 : Load Regulation vs Temperature Figure 15 : Supply Voltage Rejection vs Temperature 8/12 Figure 16 : Dropout Voltage vs Temperature Figure 17 : Dropout Voltage vs Output Current Figure 18 : Supply Voltage Rejection vs Frequency ...

Page 9

... C =1 F(X7R Figure 22 : Load Transient V =5V =25°C J Figure 23 : Load Transient V =5V Figure 24 : Load Transient =25°C V =5V =adjusted to 2.5V, I =500 to 10mA F(X7R =adjusted to 2.5V, I =10 to 500mA =10 to 500mA F(X7R) O ST2L01 =1 F(X7R) 9/12 ...

Page 10

... ST2L01 DIM. MIN. A 1. 1.02 D1 7. 9.27 H3 8.89 L 10. 8. 3˚ 10/12 SPAK-5L MECHANICAL DATA mm. TYP MAX. 2.03 0.13 0.25 0.25 1.27 8.13 0.79 1.69 6.8 5.59 9.52 9.14 10.67 7.49 9.14 1.04 0.25 6˚ inch MIN. TYP. MAX. 0.070 0.080 0.001 0.005 0.010 0.010 0.040 0.050 0.310 0.320 0.025 0.031 0.067 0.268 0.220 0.365 0.375 0.350 ...

Page 11

... B 0.4 B2 5.2 C 0. 6.4 G 4.9 G1 2. 0.6 TYP MAX. MIN. 2.4 0.086 1.1 0.035 0.23 0.001 0.6 0.015 5.4 0.204 0.6 0.017 0.6 0.019 6.2 0.236 6.6 0.252 5.25 0.193 2.7 0.093 10.1 0.368 0.8 1 0.023 ST2L01 inch TYP. MAX. 0.094 0.043 0.009 0.023 0.212 0.023 0.023 0.244 0.260 0.206 0.106 0.397 0.031 0.039 0078180-B 11/12 ...

Page 12

... ST2L01 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice ...

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