G9661 Datatsheet. Www.s Manuals.com. R0.93 Gmt

User Manual: Marking of electronic components, SMD Codes 96, 961Ax, 9661-25, 9661A, 966TQ1. Datasheets DTC144TCA, DTC144TE, DTC144TKA, DTC144TM, DTC144TUA, G9661-25ADJF1, G9661-25ADJF6, G9661-25ADJRE, G9661-25ADJTP, TPS22966TDPURQ1.

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G9661

Global Mixed-mode Technology

Peak 3A, Low Dropout Regulator with Enable
Features

General Description

„
„

The G9661 is a high performance positive voltage
regulator designed for use in applications requiring
very low Input voltage and very low dropout voltage at
up to 2 amps. It operates with a VIN as low as 1.4V and
VPP voltage 5V with output voltage programmable as
low as 0.8V. The G9661 features ultra low dropout,
ideal for applications where VOUT is very close to VIN.
Additionally, the G9661 has an enable pin to further
reduce power dissipation while shutdown. The G9661
provides excellent regulation over variations in line,
load and temperature. The G9661 provides a power
OK signal to indicate if the voltage level of VO reaches
92% of its rating value.

„
„
„
„
„
„
„
„
„
„

Adjustable Output Low to 0.8V
Input Voltage as Low as 1.4V and VPP Voltage
5V
300mV Dropout @ 2A, VO 2.5V
Over Current and Over Temperature Protection
Enable Pin
Low Reverse Leakage (Output to Input )
TSOT-23-6, SOP-8(FD), MSOP-10(FD) and
TDFN3X3-10 Packages
±1.5% ADJ Voltage
VO Power OK Signal
2.5V Options by Setting ADJ Pin Below 0.2V
and Adjustable Externally Using Resistors
VO Pull Low Resistance when Disable
VO Soft Start When Enable

The G9661 is available in the power TSOT-23-6,
SOP-8(FD), MSOP-10(FD) and TDFN3X3-10 package.
It is available with 2.5V internally preset outputs that
are also adjustable using external resistors.

Applications
„

Motherboards
Peripheral Cards
„ Network Cards
„ Set Top Boxes
„ Notebook Computers
„

Ordering Information
ORDER
NUMBER

TEMP.
RANGE

MARKING

PACKAGE
(Green)

G9661-25ADJTP1U

961Ax

-40°C~+85°C

TSOT-23-6

G9661-25ADJF11U

9661-25

-40°C~+85°C

SOP-8 (FD)

G9661-25ADJF61U
G9661-25ADJRE1U

9661-25
9661A

-40°C~+85°C
-40°C~+85°C

MSOP-10 (FD)
TDFN3X3-10

Note:TP: TSOT-23-6
F1: SOP-8 (FD)
F6: MSOP-10 (FD)
1:Bonding Code
U : Tape & Reel
e.g. 25 denotes the 2.5V output voltage

RE: TDFN3X3-10

Pin Configuration

Typical Application Circuit
G9661

G9661
VO
GND
VIN

6 ADJ

1
2

POK

1

8

GND

VEN

2

7

ADJ

VIN

3

6

VO

VPP

4

5

NC

Thermal
Pad*

5 VPP
4 VEN

3

G9661
1

10

GND

NC

1

VEN

2

9

ADJ

VO

2

8

VO

VO

3

7

VO

ADJ

4

6

NC

POK

5

3
4

VPP

5

Thermal
Pad*

MSOP-10 (FD)

VPP

VIN

VIN

VO

VO
R1
CPP
1µF

10 VPP
Thermal
Pad*
(GND)

9

C1
10µF

8

VIN
VIN

6

VEN

10KΩ
VIN

GND

ADJ

C2
10µF
R2

NC

7

POK

VEN

G9661

POK

NC

VPP (5V)

SOP-8 (FD)

TSOT-23-6

VIN

G9661

0.8 (R1+R2)

Volts
R2
R2<120kΩ is recommended

VO =

TDFN3X3-10

* Recommend connecting the Thermal Pad to the Ground for excellent power dissipation.

TEL: 886-3-5788833
http://www.gmt.com.tw

Ver: 0.93
Sep 10, 2013

1

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