RICOH R1162D Series Specifications User Guide

R1162D Series Manual Mode Shift 150m A LDO

The R1162D Series are CMOS-based manual mode switching LDO regulators with ECO pin featuring 150m A output. By inputting control signals to the ECO pin, the mode of the regulator can be switched to low power mode or fast response mode, thus making both active and sleep modes available for the system. The CE pin can switch the regulator into standby mode. The version with the auto-discharge function is also available. Ceramic capacitors can be used.

FEATURES • Supply Current (ISS1) ·······················Typ. 70μA (Fast mode, VIN=SET VOUT+1.0V) • Output Voltage Accuracy ················± 2% (Fast mode) • Supply Current (ISS2) ·······················Typ. 5.5μA (Low power mode, same as above) ± 3% (Low power mode) • Standby Current (Istandby) ·················Typ. 0.1μA (Same as above, CE="L") • Temp. coeff. of Output Voltage ·······Typ. ± 100ppm/°C • Dropout Voltage (VDIF) ····················Typ. 0.25V (Fast mode, IOUT=150m A, VOUT=2.8V) • Line Regulation·······························Typ. 0.02%/V (Fast mode)

Typ. 0.25V (Low power mode, IOUT=150m A, VOUT=2.8V) • Fold-back Protection Circuit············Current limit Typ. 40m A

• Ripple Rejection (RR)·····················Typ. 70d B (f=1k Hz, Fast mode) • Auto-Discharge function ·················D Version • Input Voltage Range (VIN) ···············2.0V to 6.0V • Package··········································SON1612-6 • Output Voltage Range (VOUT)··········1.5V to 4.0V (internally fixed) • Ceramic Capacitor can be used. ····CIN=1.0μF or more,

COUT=0.47μF or more

BLOCK DIAGRAMS R1162Dxx1B R1162Dxx1D (Without Auto-Discharge function) (With Auto-Discharge function)

ECO ECO

VDD VOUT VDD VOUT

ro lt IF (V

Vref Vref

Current Limit Current Limit

CE GND CE GND

SELECTION GUIDES

.xx. : Specify the output voltage within the range of 1.5V (.15.) to 4.0V (.40.)

Halogen Free Package Q'ty per Reel Part No.

in 0.1V steps.

SON1612-6 4,000 pcs R1162D.xx.1.∗ -TR-FE

.∗ : Select from (.B.) without auto-discharge function or (.D.) with auto-discharge function.

PACKAGES (Top View) TYPICAL CHARACTERISTIC

SON1612-6 R1162D281x Dropout Voltage vs. Output Current

6 5 4 (Fast Response Mode)

ECO=H

2 GND 0.10

3 VDD

4 VOUT 5 GND 6 ECO

Output Current IOUT(m A)

APPLICATIONS • Power source for hand-held communication equipment, cameras, and VCRs • Power source for battery-powered equipment • Very stable voltage reference

No.EK-110-120403 CMOS LDO Regulator