HIGH PERFORMANCE ULDO LINEAR REGULATOR INPUT VOLTAGE RANGE Rdson

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HIGH PERFORMANCE ULDO LINEAR REGULATOR INPUT VOLTAGE RANGE Rdson

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L6932
HIGH PERFORMANCE ULDO LINEAR REGULATOR
INPUT VOLTAGE RANGE Rdson TYPICAL @TJ=125°C 300µA QUIESCENT CURRENT LOAD EXCELLENT LOAD LINE REGULATION 200mV DROPOUT 1.8V 2.5V FIXED VOLTAGE ADJUSTABLE FROM 1.2V (L6932D1.2) VOLTAGE REGULATION ACCURACY SHORT CIRCUIT PROTECTION THERMAL SHUT DOWN PACKAGE
SO-8 (4+4) ORDERING NUMBERS: L6932D1.2 L6932D1.8 L6932D2.5
signed with internal N-channel Mosfet, usefull DC-DC conversion between 2.5V 1.8V portable applications reducing power dissipation. L6932 available 1.8V, 2.5V version from 1.2V ensure voltage regulation accuracy current limit fixed 2.5A controll current short circuit condition within ±8%. current sensed power order limit power dissipation. device also provided thermal shut down that limits internal temperature 150°C with histeresys 20°C. L6932 provides Enable Power good functions.
APPLICATIONS MOTHERBOARDS
MOBILE HAND-HELD INSTRUMENTS PCMCIA CARDS PROCESSORS CHIPSET SUPPLY
DESCRIPTION L6932 Ultra Drop Output linear regulator operates from able support DeTYPICAL OPERATING CIRCUIT
L6932D
PGOOD 5,6,7,8
VOUT 1.8V 2.5V
L6932D1.2
5,6,7,8
VOUT 1.2V
January 2001
This preliminary information product development undergoing evaluation. Details subject change without notice.
L6932
CONNECTIONS
PGOOD
L6932D1.2
L6932D1.8 L6932D2.5
FUNCTION
PGOOD Power good output. open drain detects output voltage. forced output voltage lower than programmed voltage. Ground pin. Regulated output voltage. This connected source internal N-mos. Connect this capacitor 10µF. Regulated output voltage. This connected source internal N-mos. Connect this capacitor 10µF. L6232D L6232D 1.8/2.5 Description Enables device connected disables device forced gnd. Supply voltage. This connected drain internal N-mos. Connect this capacitor larger than 10µF. Connecting this voltage divider possible programme output voltage between 1.2V Vin.
ABSOLUTE MAXIMUM RATINGS
Symbol Pgood Parameter Value 14.5 -0.3 (Vin +0.3) Unit
THERMAL DATA
Symbol J-amb Tmax Parameter Thermal Resistance Junction Ambient Maximum Junction Temperature Storage Temperature Range Value Unit °C/W
Tstg
Measured Demoboard with about dissipating area
L6932
BLOCK DIAGRAM (Referred Fixed Voltage version)
CHARGE PUMP VREF REFERENCE VREF=1.25V DRIVER
CURRENT LIMIT
ERROR AMPL.
ENABLE
THERMAL SENSOR VREF
D99IN1100
ELECTRICAL CHARACTERISTCS 25°C, unless otherwise specified) Specification referred from -25°C 125°C.
Symbol Parameter Operating Supply Voltage Output voltage L6932D1.2 Output voltage L6932D1.8 Output voltage L6932D2.5 L6932D1.2 Line Regulation 0.1A; 3.3V 0.1A; 3.3V 0.1A; 3.3V 2.5V ±10%; 10mA 3.3V ±10%; 10mA ±10%; L6932D1.8 Line Regulation 10mA Test Condition Min. 1.188 1.782 2.475 Typ. Max. 1.212 1.818 2.525 Unit
2.5V ±10%; 10mA 3.3V ±10%; 10mA ±10%; 10mA
L6932D2.5 Line Regulation
3.3V ±10%; 10mA ±10%; 10mA
L6932D1.2 Load Regulation L6932D1.8 Load Regulation
3.3V; 0.1A 3.3V; 0.1A
Guaranteed design measurement problems.
L6932
ELECTRICAL CHARACTERISTCS (continued)
Symbol Parameter L6932D2.5 Load Regulation Rdson Iocc Drain Source resistance Current limiting Quiescent current Shutdown current Ripple Rejection Input Threshold Pgood threshold Pgood Hysteresis Pgood saturation Ipgood rise 120Hz, 2Vpp 0.65 Test Condition 3.3V; 0.1A Min. Typ. Max. Unit
Figure Output Voltage Junction Temperature (L6932D1.2)
1.213 1.212
Figure Output Voltage Junction Temperature (L6932D2.5)
2.520
2.515 1.212 1.211 1.211 1.210 2.500 1.210 1.209 Temp [°C] 2.495 Temp [°C] 2.505 2.510
Figure Output Voltage Junction Temperature (L6932D1.8)
1.808
1.804
1.800
1.796
1.792
1.788 Temp [°C]
L6932
DIM. MIN. 0.65 0.35 0.19 0.25
TYP. MAX. 1.75 0.25 1.65 0.85 0.48 0.25 0.026 0.014 0.007 0.010 0.004 MIN.
inch TYP. MAX. 0.069 0.010 0.065 0.033 0.019 0.010 0.020
OUTLINE MECHANICAL DATA
(typ.) 1.27 3.81 1.27 (max.) 0.15 0.016 0.189 0.228 0.050 0.150 0.157 0.050 0.024 0.197 0.244
include mold flash protrusions. Mold flash potrusions shall exceed 0.15mm (.006inch).
L6932
Information furnished believed accurate reliable. However, STMicroelectronics assumes responsibility consequences such information infringement patents other rights third parties which result from use. license granted implication otherwise under patent patent rights STMicroelectronics. Specifications mentioned this publication subject change without notice. This publication supersedes replaces information previously supplied. STMicroelectronics products authorized critical components life support devices systems without express written approval STMicroelectronics. logo registered trademark STMicroelectronics 2001 STMicroelectronics Rights Reserved STMicroelectronics GROUP COMPANIES Australia Brazil China Finland France Germany Hong Kong India Italy Japan Malaysia Malta Morocco Singapore Spain Sweden Switzerland United Kingdom U.S.A. http://www.st.com

HIGH PERFORMANCE ULDO LINEAR REGULATOR INPUT VOLTAGE RANGE Rdson

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