RT9194 datasheet(7/10 Pages) RICHTEK

Part #	RT9194

Description	Low-Dropout Linear Regulator Controller with PGOOD Indication

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Manufacturer	RICHTEK [Richtek Technology Corporation]

Direct Link	http://www.richtek.com

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7 / 10 page

RT9194

7

DS9194-08

March 2007

www.richtek.com

Time (100us/Div)

Line Transient Response

0

10

-10

1.5

2.5

VIN = 1.5V to 2.5V, ILOAD = 100mA

CIN = 2.2uF, COUT = 100uF

Time (250us/Div)

Load Transient Response

0

20

-20

0

5

VIN = 2.5V, VOUT = 1.2V

CIN = COUT = 100uF

Time (50us/Div)

PGOOD Off

VCC = 12V

CIN = COUT = 100uF

ILoad (A)

VEN (V)

VOUT

VPGOOD

Time (500us/Div)

PGOOD Delay Time

ILoad (A)

VCC = 12V, ILOAD = 1A

CIN = COUT = 100uF

VEN (V)

VOUT

VPGOOD

Time (500us/Div)

PGOOD Delay Time

VCC = 12V, CIN = COUT = 100uF, ILOAD = 100mA

VEN (V)

VOUT

VPGOOD

Enable Threshold Voltage vs. Temperature

0.6

0.65

0.7

0.75

0.8

0.85

0.9

0.95

1

-50

-25

0

25

50

75

100

125

Temperature (

°C)

Turn on

Turn off

VIN = 1.5V, VCC = 12V, RPGOOD = 100k

Ω

CIN = COUT = 100uF, R1 = 1k, R2 = 2k

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RT9194 Datasheet(PDF) 7 Page - Richtek Technology Corporation

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