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GS-R24P

1.8W TO 8W STEP-DOWN SWITCHING REGULATOR FAMILY

STMicroelectronics 

GS-R24P

PIN DESCRIPTION

Pin

Function

1

Input +

2

Input/Output GND

3

Vout

4

INH

5

Vout-c

6

FB

Description

DC input voltage

Return for input/output voltage source

Regulated power output

A logical level (active high) disables the device, when it is open an internal pull

up disables the device

Regulated output point for additional compensation

Feedback input, available on adjustable device and on request for additional

compensation

ELECTRICAL CHARACTERISTICS All versions (Tamb=25)C, unless otherwise specified.)

Symbol

Parameter

Test Condition

Min. Typ. Max. Unit

Vr Ripple Voltage

Vi =24V Io = 1.5A

35

50 mVpp

Temperature Stability

Vi =Vo + 1.5V Io = 1.5A

mV/°C

Io Output Current

Vi =16 ÷ 35V

0

1.5

A

IoL Current Limit

Vi =16 ÷ 35V

2.5 3.5

A

Iq Quiescent Current

Vi =24V Io = 0A

1.8

2.5

mA

fs Switching Frequency

Vi =24V Io = 1.5A

225 250 275 kHz

SRV Supply Voltage Rejection

mV/V

Rth Thermal Resistance

Case to ambient

°C/W

ELECTRICAL CHARACTERISTICS for horizontal versions only (Tamb=25)C, unless otherwise specified.)

Symbol

Parameter

Test Condition

Min. Typ. Max. Unit

Iqst-by Total Stand-by Quiescent

Current

Vinh>2.2V Vi = 35V

80

150

µA

INH INH Threshold Voltage

Device ON

0.8

V

Device OFF

2.2

V

VFB Feedback Voltage

Vi =16 ÷ 35V Io = 0÷1.5A

1.22 1.235 1.25

V

4/7

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