R1191H144D datasheet(32/45 Pages) NISSHINBO

Part #	R1191H144D

Description	300mA LDO REGULATOR with the Reverse Current Protection

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Manufacturer	NISSHINBO [Nisshinbo Micro Devices Inc.]

Direct Link	https://www.nisshinbo-microdevices.co.jp/en/

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32 / 45 page

R1191x

NO.EA-229-220315

32

ESR vs. Output Current

When using these ICs, consider the following points:

The relations between IOUT (Output Current) and ESR of an output capacitor are shown below.

The conditions when the white noise level is under 40µV (Avg.) are marked as the hatched area in the graph.

Measurement conditions

Frequency Band : 10Hz to 1MHz

Temperature

: −40°C to 85°C

Hached Area

: Noise level is under 40µVms(Avg.)

CIN

: 2.2µF Murata

(GRM32RB11E225KC01B)

COUT

: 4.7µF Murata

(GCM31CR71E475KA40)

R1191x020x ECO=H, ECO=L

R1191x050x ECO=H, ECO=L

R1191x150x ECO=H, ECO=L

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