DUAL VOLTAGE REGULATOR - STMicroelectronics
Description
ST2L01
DUAL VOLTAGE REGULATOR
s s s s s s
s s
s
s
VOUT1 = +3.
3V FIXED VOUT2 = 1.
25 TO 3.
0V ADJUSTABLE GUARANTEED OUTPUT1 CURRENT: 1A GUARANTEED OUTPUT2 CURRENT: 1A ±2% OUTPUT TOLERANCE (AT 25°C) TYPICAL DROPOUT 1.
1V (IOUT1 = IOUT2 =1A) 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
PPAK
SPAK-5L (PowerFlex™)
could power several kind of different micro-controllers.
DESCRIPTION Both outputs are current limited and Specifically designed for data storage overtemperature protected.
applications, this device integrates two voltage The very good thermal performances of the regulators, each one able to supply 1A.
It is www.
DataSheet4U.
com package SPAK with only 2°C/W of Thermal assembled in PPAK and in a new surface Resistance Junction to Case is important to mounting package named SPAK (PowerFlex™) at underline.
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
Over current Protection
VREF1
Err-Amp
Power Output RA
VOUT1
Thermal Protection
RB
GND
VREF2
Err-Amp
Power Output
VOUT2
Over current Protection
ADJ
March 2002
1/12
ST2L01
ABSOLUTE MAXIMUM RATINGS
Symbol VIN VESD Tstg TJ Input Voltage ESD Tolerance (Human Body Model) Storage Temperature Range Operating Junction Temperature Range Parameter Value 10 4 -55 to +125 0 to +125 Unit V KV °C °C
GENERAL OPERATING CONDITION
Symbol VIN ∆VIN tr tf Input Voltage Input Voltage Ripple Input Voltage Rise Time (10% to 90%) Input Voltage Fall Time (90% to 10%) Parameter Value 4.
75 to 5.
25 ±0.
15 ≥1 ≥1 Unit V V µs µs
THERMAL DATA
Symbol Rthj-case Parameter Thermal Resistance Junction-case SPAK-5L 2 PPAK 8 Unit °C/W
CONNECTION DIAGRAM (top view)
PPAK
SPAK-5L
PIN DESCRIPTION
Pin N° 1 2 3 4 5 Symbol VI ADJ GND VO2 VO1 Name and Function Input pin: b...
Similar Datasheet
