BL9110-100APIA [BELLING]

1A Low Dropout, Low Quiescent Current High PSRR CMOS Linear Regulator;


型号：	BL9110-100APIA
厂家：	BELLING
描述：	1A Low Dropout, Low Quiescent Current High PSRR CMOS Linear Regulator
文件：	总30页 (文件大小：1443K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

BL9110

1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator



PCMCIA Cards and Wireless LAN

FEATURES

Electrical appliances such as cameras, VCRS



Up to 1A Output Current

DESCRIPTION

70uA Operating Supply Current

Excellent Line Regulation: 0.05%/V

Low Dropout: 350mV@1A(VOUT=3.3V)

High Power Supply Rejection Ratio

Wide Operating Voltage Range: 2.5V to 6.0V

1V to 5V Factory-Preset Output

The BL9110 is a low-dropout regulator that operates

the input voltage from 2.5V to 6V and delivers 1A

load current. The BL9110 is available in two types,

either fixed or adjustable output voltage. The output

voltage of the fixed types is preset at an internally

trimmed voltage 1V, 1.2V, 1.3V, 1.5V, 1.8V, 2.5V,

2.7V, 2.8V, 2.85V, 3.0V, 3.2V, 3.3V, 5V or can be

made with options of the output range from 1V to 5V

in 50mV increments. The output range of adjustable

types is from 1V to 5V. The BL9110 consists of a

voltage reference, an error amplifier, resistor net for

setting output voltage, a current limit circuit for

over-current and a thermal-shutdown circuit.

High Accuracy: ±1% or ±2%

Built-in Auto Discharge Function

500mA in-rush Current Limit

Fold-back Current Limit Protection

Thermal Shutdown Protection

DFN-6, SOT-89-5, SOT-89-3, SOT-223-5,

SOT-223-3, TO-263-3, TO-220-3, TO-252-3

and TO-252-5 Package



RoHS Compliant and 100% Lead (Pb)-Free

A standby mode with ultra low supply current can be

realized with the chip enable function. Since the

packages for BL9110 are DFN-6, SOT-89-5,

SOT-223-5, SOT-223-3, TO-263-3, TO-220-3,

SOT-89-3, TO-252-3, TO92-3 and TO-252-5 with

high power dissipation, high density mounting of the

IC on board is possible.

APPLICATIONS



Portable Communication Equipment

Battery-Powered Equipment

Laptop, Palmtops, Notebook Computers

Hand-Held Instruments

ORDERING INFORMATION

TYPICAL APPLICATION

Package:

BL9110-VVV X X XX

AA: DFN-6

BA: SOT-89-5-A

CA: TO-252-5

DA: SOT-223-5

EA: TO-252-3-A

FA: SOT-223-3-A

FC: SOT-223-3-C

GA: TO-263-3-A

GC: TO-263-3-C

HA: TO-220-3

IA: SOT-89-3-A

IC: SOT-89-3-C

JA:TO92-3

BB: SOT-89-5-B

VDD

VOUT

VDD

VOUT

EB: TO-252-3-B

FB: SOT-223-3-B

FD: SOT-223-3-D

GB: TO-263-3-B

10uF

2.2uF

Chip

Enable

BL9110

GND

IB: SOT-89-3-B

Features:

P: Standard (default, lead free)

C: Customized

Output Voltage Accuracy

A: ±1%

B: ±2%

Output Voltage

100:1.0V 120:1.2V 130:1.3V 150:1.5V

180:1.8V 250:2.5V 270:2.7V 280:2.8V

285:2.85V 300:3.0V 320:3.2V 330:3.3V

500:5.0V

ADJ: adjustable

PPMIC BU

BL9110 Rev 2.0

04/2016

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BL9110

1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

(Note 1)

Absolute Maximum Rating

Input Supply Voltage (V_DD)

-0.3V to +7V

Maximum Junction Temperature

125°C

(Note2)

CE Input Voltage

Output Voltage

Output Current

-0.3V to +7V

-0.3V to V_IN+0.3V

1.4A

Operating Temperature Range

Storage Temperature Range

Lead Temperature (Soldering, 10s)

-40°C to 85°C

-65°C to 125°C

300°C

Package Information

DFN-6

TOP VIEW

SOT-89-5

TOP VIEW

SOT-89-5

TOP VIEW

TO-252-5

TOP VIEW

VOUT

GND

VDD

NC/ADJ

GND

VOUT

VDD

VOUT

VDD

GND

MARKING

NC/ADJ

VOUT GND GND

VDD

Part Number

Top Mark

Temp Range

BL9110AA

YWSS VVV ^(Note3)

BL9110-VVVXXAA

BL9110-VVVXXBA/B

BL9110-VVVXXCA

-40°C to +85°C

BL9110BA/B

-40°C to +85°C

YWSS VVV

BL9110CA

YWSS VVV

SOT-223-3

TOP VIEW

TO-263-3

TOP VIEW

SOT-223-5

TOP VIEW

MARKING

FA VOUT

FB GND

FC GND

FD VDD

GND

VOUT

VDD

VOUT

GA GND

GB GND

GC VDD

VOUT

VDD

GND

VDD

VOUT

GND

VDD

GND ADJ

VOUT

Part Number

BL9110-VVVXXDA

Top Mark

Temp Range

BL9110DA

-40°C to +85°C

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BL9110 Rev 2.0

04/2016

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BL9110

1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

YWSS VVV

BL9110EA/B

YWSS VVV

BL9110FA/B/C/D

YWSS VVV

BL9110GA/B/C

YWSS VVV

BL9110-VVVXXEA/B

BL9110-VVVXXFA/B/C/D

BL9110-VVVXXGA/B/C

-40°C to +85°C

SOT-89-3

TOP VIEW

TO92

TOPVIEW

MARKING

IA GND

IB GND

IC VOUT

VOUT

VDD

GND

VDD

VOUT

VDD

GND

VOUT

VDD

Part Number

Top Mark

Temp Range

BL9110HA

BL9110-VVVXXHA

-40°C to +85°C

YWSS VVV

BL9110IA/B/C

YWSS VVV

BL9110JA

BL9110-VVVXXI/A/B/C

BL9110-VVVXXJA

YWSS VVV

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BL9110 Rev 2.0

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BL9110

1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

Pin Descriptions

Symbol

VOUT

GND

Description

Output Pin

Ground Pin

VDD

Chip Enable Pin (High active)

Input Pin

ADJ/NC

Adjustable/No Connection

VVV

100

1.0

120

1.2

130

1.3

…

285

…

495

500

5.0

ADJ

Voltage (V)

2.85

4.95

Adjustable

…

Year 2010 2011 2012 2013 2014 ……

Week

…

26 27 28

…

Thermal Resistance ^{(Note 4)}

Package

DFN-6

Ө_JA

Ө_JC

95C/W

160C/W

90C/W

160C/W

90C/W

160C/W

65C/W

50C/W

180C/W

10C/W

45C/W

10C/W

20C/W

10C/W

20C/W

7C/W

SOT-89-5

TO-252-5

SOT-223-5

TO-252-3

SOT-223-3

TO-263-3

TO-220-3

SOT89-3

7C/W

50C/W

Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired.

Note 2: The BL9110 is guaranteed to meet performance specifications from 0°C to 70°C. Specifications over the –40°C to

85°C operating temperature range are assured by design, characterization and correlation with statistical

process controls.

Note 3： Y: Year of assembly manufacturing

W: Week of assembly manufacturing

SS: Lot ID (the 7^thand 8^thnumber of Lot numbers)

VVV: Voltage code (for example 100 stands for 1.0V)

Note 4: Thermal Resistance is specified with approximately 1 square of 1 oz copper.

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BL9110 Rev 2.0

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BL9110

1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

Block Diagram

VDD

Voltage

Reference

Voltage

Buffer

ADJ

Loop

Compensation

Fold-back

Current Limit

Power Good

Detector

Over

Temperature

Protection

VOUT

Logic

Control

Soft-start

GND

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BL9110 Rev 2.0

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BL9110

1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

Electrical Characteristics ^{(Note 5)}

BL9110-1.2V Electrical Characteristics

(V_DD=2.5V, V_OUT=1.2V, CE=V_DD, C_IN=2.2F, C_OUT=2.2F, T_A=25°C , unless otherwise noted.)

Parameter

Input Voltage

Output Voltage Accuracy ^{(Note 6)}

Symbol

V_DD

Conditions

MIN

2.5

-1

-2

1.0

TYP MAX

unit

I_OUT=1mA

V_OUT

1.3

Current Limit

Short Circuit Current

Quiescent Current

Standby Current

I_LIM

I_SCC

I_Q

V_OUT=0

I_OUT=0mA

V_CE=GND, Shutdown

250

0.01

120

I_STBY

I_OUT=300mA

420

715

Dropout Voltage ^{(note 7)}

V_DROP

I_OUT=1A

870 1310

Line Regulation ^{(Note 8)}

Load Regulation ^{(Note 9)}

ΔV_LINE

ΔV_LOAD

2.5V≤V_DD≤ 6V, I_OUT=100mA

1mA≤I_OUT≤1A

0.05

0.5

%/V

Output Voltage ^{(Note 10)}

Temperature Coefficient

I_OUT=100mA

-40°C ≤T≤85°C

Shutdown

TC_VOUT

±100

ppm/°C

Logic Low

Logic High

V_IL

V_IH

0.4

Input Threshold

Start up

1.0

CE Pull-down Resistance

Output Noise Voltage

f=1kHz

R_CE

e_NO

MΩ

uV_RMS

10Hz to100KHz, I_OUT=1mA

(VOUT≤3.3V)

Power Supply

Rejection Ratio

0.2V_P-PRipple

I_OUT=100mA

PSRR

f=1kHz

(VOUT>3.3V)

Thermal Shutdown Temperature

Thermal Shutdown Hysteresis

Output Discharge Resistance

T_SD

T_SDHY

R_DSC

Shutdown, Temp increasing

165

°C

Note 5: 100% production test at +25°C. Specifications over the temperature range are guaranteed by design and

characterization.

Note 6: This IC includes two kinds of output voltage accuracy versions. A: ±1%, B: ±2%.

Note 7: The required minimum input operating voltage is equal to V_OUT+V_DROP, and if V_OUT+V_DROP<2.5V, the required

minimum input operating voltage must be set to 2.5V. V_OUTis the normal output voltage, e.g. V_OUT=2.8V for 2.8V fixed

output version.













V_OUT1V_{OUT 2}

VDD V_OUT

Note 8: Line regulation is calculated by

V_LINE



100

Where V_OUT1is the output voltage when V_DD1=6.0V, V_OUT2is the output voltage when V_DD2= max (V_OUT+0.5V, 2.5V).

△V_DD=V_DD1-V_DD2

Note 9: Load regulation is calculated by

V_LOADV_OUT1V_{OUT 2}

Where V_OUT1is the output voltage when I_OUT1=1mA, and V_OUT2is the output voltage when I_OUT2=1A.

V_OUT

T V_OUT

Note 10: The temperature coefficient is calculated by

TC_V



OUT

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BL9110 Rev 2.0

04/2016

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BL9110

1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

BL9110-1.5V Electrical Characteristics

(V_DD=2.5V, V_OUT=1.5V, CE=V_DD, C_IN=2.2F, C_OUT=2.2F, T_A=25°C , unless otherwise noted.)

Parameter

Input Voltage

Output Voltage Accuracy ^{(Note 6)}

Symbol

V_DD

Conditions

MIN

2.5

-1

-2

1.0

TYP MAX

unit

I_OUT=1mA

V_OUT

1.3

Current Limit

Short Circuit Current

Quiescent Current

Standby Current

I_LIM

I_SCC

I_Q

V_OUT=0

I_OUT=0mA

V_CE=GND, Shutdown

250

0.01

120

I_STBY

I_OUT=300mA

260

445

Dropout Voltage ^{(note 7)}

V_DROP

I_OUT=1A

700 1050

Line Regulation ^{(Note 8)}

Load Regulation ^{(Note 9)}

ΔV_LINE

ΔV_LOAD

2.5V≤V_DD≤ 6V, I_OUT=100mA

1mA≤I_OUT≤1A

0.05

0.5

%/V

Output Voltage ^{(Note 10)}

Temperature Coefficient

I_OUT=100mA

-40°C ≤T≤85°C

Shutdown

TC_VOUT

±100

ppm/°C

Logic Low

Logic High

V_IL

V_IH

0.4

Input Threshold

Start up

1.0

CE Pull-down Resistance

Output Noise Voltage

f=1kHz

R_CE

e_NO

MΩ

uV_RMS

10Hz to100KHz, I_OUT=1mA

(VOUT≤3.3V)

Power Supply

Rejection Ratio

0.2V_P-PRipple

I_OUT=100mA

PSRR

f=1kHz

(VOUT>3.3V)

Thermal Shutdown Temperature

Thermal Shutdown Hysteresis

Output Discharge Resistance

T_SD

T_SDHY

R_DSC

Shutdown, Temp increasing

165

°C

Note 5: 100% production test at +25°C. Specifications over the temperature range are guaranteed by design and

characterization.

Note 6: This IC includes two kinds of output voltage accuracy versions. A: ±1%, B: ±2%.

Note 7: The required minimum input operating voltage is equal to V_OUT+V_DROP, and if V_OUT+V_DROP<2.5V, the required

minimum input operating voltage must be set to 2.5V. V_OUTis the normal output voltage, e.g. V_OUT=2.8V for 2.8V fixed

output version.













V_OUT1V_{OUT 2}

VDD V_OUT

Note 8: Line regulation is calculated by

V_LINE



100

Where V_OUT1is the output voltage when V_DD1=6.0V, V_OUT2is the output voltage when V_DD2= max (V_OUT+0.5V, 2.5V).

△V_DD=V_DD1-V_DD2

Note 9: Load regulation is calculated by

V_LOADV_OUT1V_{OUT 2}

Where V_OUT1is the output voltage when I_OUT1=1mA, and V_OUT2is the output voltage when I_OUT2=1.0A.

V_OUT

T V_OUT

Note 10: The temperature coefficient is calculated by

TC_V



OUT

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BL9110 Rev 2.0

04/2016

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BL9110

1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

BL9110-1.8V Electrical Characteristics

(V_DD=2.8V, V_OUT=1.8V, CE=V_DD, C_IN=2.2F, C_OUT=2.2F, T_A=25°C , unless otherwise noted.)

Parameter

Input Voltage

Output Voltage Accuracy ^{(Note 6)}

Symbol

V_DD

Conditions

MIN

2.5

-1

-2

1.0

TYP MAX

unit

I_OUT=1mA

V_OUT

1.3

Current Limit

Short Circuit Current

Quiescent Current

Standby Current

I_LIM

I_SCC

I_Q

V_OUT=0

I_OUT=0mA

V_CE=GND, Shutdown

250

0.01

120

I_STBY

I_OUT=300mA

180

308

855

0.5

Dropout Voltage ^{(note 7)}

V_DROP

I_OUT=1A

570

0.05

Line Regulation ^{(Note 8)}

Load Regulation ^{(Note 9)}

ΔV_LINE

ΔV_LOAD

2.5V≤V_DD≤ 6V, I_OUT=100mA

1mA≤I_OUT≤1A

%/V

Output Voltage ^{(Note 10)}

Temperature Coefficient

I_OUT=100mA

-40°C ≤T≤85°C

Shutdown

TC_VOUT

±100

ppm/°C

Logic Low

Logic High

V_IL

V_IH

0.4

Input Threshold

Start up

1.0

CE Pull-down Resistance

Output Noise Voltage

f=1kHz

R_CE

e_NO

MΩ

uV_RMS

10Hz to100KHz, I_OUT=1mA

(VOUT≤3.3V)

Power Supply

Rejection Ratio

0.2V_P-PRipple

I_OUT=100mA

PSRR

f=1kHz

(VOUT>3.3V)

Thermal Shutdown Temperature

Thermal Shutdown Hysteresis

Output Discharge Resistance

T_SD

T_SDHY

R_DSC

Shutdown, Temp increasing

165

°C

Note 5: 100% production test at +25°C. Specifications over the temperature range are guaranteed by design and

characterization.

Note 6: This IC includes two kinds of output voltage accuracy versions. A: ±1%, B: ±2%.

Note 7: The required minimum input operating voltage is equal to V_OUT+V_DROP, and if V_OUT+V_DROP<2.5V, the required

minimum input operating voltage must be set to 2.5V. V_OUTis the normal output voltage, e.g. V_OUT=2.8V for 2.8V fixed

output version.













V_OUT1V_{OUT 2}

VDD V_OUT

Note 8: Line regulation is calculated by

V_LINE



100

Where V_OUT1is the output voltage when V_DD1=6.0V, V_OUT2is the output voltage when V_DD2= max (V_OUT+0.5V, 2.5V).

△V_DD=V_DD1-V_DD2

Note 9: Load regulation is calculated by

V_LOADV_OUT1V_{OUT 2}

Where V_OUT1is the output voltage when I_OUT1=1mA, and V_OUT2is the output voltage when I_OUT2=1.0A.

V_OUT

T V_OUT

Note 10: The temperature coefficient is calculated by

TC_V



OUT

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BL9110 Rev 2.0

04/2016

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BL9110

1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

BL9110-2.5V Electrical Characteristics

(V_DD=3.5V, V_OUT=2.5V, CE=V_DD, C_IN=2.2F, C_OUT=2.2F, T_A=25°C , unless otherwise noted.)

Parameter

Input Voltage

Output Voltage Accuracy ^{(Note 6)}

Symbol

V_DD

Conditions

MIN

2.5

-1

-2

1.0

TYP MAX

unit

I_OUT=1mA

V_OUT

1.3

Current Limit

Short Circuit Current

Quiescent Current

Standby Current

I_LIM

I_SCC

I_Q

V_OUT=0

I_OUT=0mA

V_CE=GND, Shutdown

250

0.01

120

I_STBY

I_OUT=300mA

140

240

660

0.5

Dropout Voltage ^{(note 7)}

V_DROP

I_OUT=1A

440

0.05

Line Regulation ^{(Note 8)}

Load Regulation ^{(Note 9)}

ΔV_LINE

ΔV_LOAD

3.0V≤V_DD≤ 6V, I_OUT=100mA

1mA≤I_OUT≤1A

%/V

Output Voltage ^{(Note 10)}

Temperature Coefficient

I_OUT=100mA

-40°C ≤T≤85°C

Shutdown

TC_VOUT

±100

ppm/°C

Logic Low

Logic High

V_IL

V_IH

0.4

Input Threshold

Start up

1.0

CE Pull-down Resistance

Output Noise Voltage

f=1kHz

R_CE

e_NO

MΩ

uV_RMS

10Hz to100KHz, I_OUT=1mA

(VOUT≤3.3V)

Power Supply

Rejection Ratio

0.2V_P-PRipple

I_OUT=100mA

PSRR

f=1kHz

(VOUT>3.3V)

Thermal Shutdown Temperature

Thermal Shutdown Hysteresis

Output Discharge Resistance

T_SD

T_SDHY

R_DSC

Shutdown, Temp increasing

165

°C

Note 5: 100% production test at +25°C. Specifications over the temperature range are guaranteed by design and

characterization.

Note 6: This IC includes two kinds of output voltage accuracy versions. A: ±1%, B: ±2%.

Note 7: The required minimum input operating voltage is equal to V_OUT+V_DROP, and if V_OUT+V_DROP<2.5V, the required

minimum input operating voltage must be set to 2.5V. V_OUTis the normal output voltage, e.g. V_OUT=2.8V for 2.8V fixed

output version.













V_OUT1V_{OUT 2}

VDD V_OUT

Note 8: Line regulation is calculated by

V_LINE



100

Where V_OUT1is the output voltage when V_DD1=6.0V, V_OUT2is the output voltage when V_DD2= max (V_OUT+0.5V, 2.5V).

△V_DD=V_DD1-V_DD2

Note 9: Load regulation is calculated by

V_LOADV_OUT1V_{OUT 2}

Where V_OUT1is the output voltage when I_OUT1=1mA, and V_OUT2is the output voltage when I_OUT2=1.0A.

V_OUT

T V_OUT

Note 10: The temperature coefficient is calculated by

TC_V



OUT

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BL9110 Rev 2.0

04/2016

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BL9110

1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

BL9110-3.3V Electrical Characteristics

(V_DD=4.3V, V_OUT=3.3V, CE=V_DD, C_IN=2.2F, C_OUT=2.2F, T_A=25°C , unless otherwise noted.)

Parameter

Input Voltage

Output Voltage Accuracy ^{(Note 6)}

Symbol

V_DD

Conditions

MIN

2.5

-1

-2

1.0

TYP MAX

unit

I_OUT=1mA

V_OUT

1.3

Current Limit

Short Circuit Current

Quiescent Current

Standby Current

I_LIM

I_SCC

I_Q

V_OUT=0

I_OUT=0mA

V_CE=GND, Shutdown

250

0.01

120

I_STBY

I_OUT=300mA

110

188

525

0.5

Dropout Voltage ^{(note 7)}

V_DROP

I_OUT=1A

350

0.05

Line Regulation ^{(Note 8)}

Load Regulation ^{(Note 9)}

ΔV_LINE

ΔV_LOAD

3.8V≤V_DD≤ 6V, I_OUT=100mA

1mA≤I_OUT≤1A

%/V

Output Voltage ^{(Note 10)}

Temperature Coefficient

I_OUT=100mA

-40°C ≤T≤85°C

Shutdown

TC_VOUT

±100

ppm/°C

Logic Low

Logic High

V_IL

V_IH

0.4

Input Threshold

Start up

1.0

CE Pull-down Resistance

Output Noise Voltage

f=1kHz

R_CE

e_NO

MΩ

uV_RMS

10Hz to100KHz, I_OUT=1mA

(VOUT≤3.3V)

Power Supply

Rejection Ratio

0.2V_P-PRipple

I_OUT=100mA

PSRR

f=1kHz

(VOUT>3.3V)

Thermal Shutdown Temperature

Thermal Shutdown Hysteresis

Output Discharge Resistance

T_SD

T_SDHY

R_DSC

Shutdown, Temp increasing

165

°C

Note 5: 100% production test at +25°C. Specifications over the temperature range are guaranteed by design and

characterization.

Note 6: This IC includes two kinds of output voltage accuracy versions. A: ±1%, B: ±2%.

Note 7: The required minimum input operating voltage is equal to V_OUT+V_DROP, and if V_OUT+V_DROP<2.5V, the required

minimum input operating voltage must be set to 2.5V. V_OUTis the normal output voltage, e.g. V_OUT=2.8V for 2.8V fixed

output version.













V_OUT1V_{OUT 2}

VDD V_OUT

Note 8: Line regulation is calculated by

V_LINE



100

Where V_OUT1is the output voltage when V_DD1=6.0V, V_OUT2is the output voltage when V_DD2= max (V_OUT+0.5V, 2.5V).

△V_DD=V_DD1-V_DD2

Note 9: Load regulation is calculated by

V_LOADV_OUT1V_{OUT 2}

Where V_OUT1is the output voltage when I_OUT1=1mA, and V_OUT2is the output voltage when I_OUT2=1.0A.

V_OUT

T V_OUT

Note 10: The temperature coefficient is calculated by

TC_V



OUT

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BL9110

1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

BL9110-5.0V Electrical Characteristics

(V_DD=6.0V, V_OUT=5.0V, CE=V_DD, C_IN=2.2F, C_OUT=2.2F, T_A=25°C , unless otherwise noted.)

Parameter

Input Voltage

Output Voltage Accuracy ^{(Note 6)}

Symbol

V_DD

Conditions

MIN

2.5

-1

-2

1.0

TYP MAX

unit

I_OUT=1mA

V_OUT

1.3

Current Limit

Short Circuit Current

Quiescent Current

Standby Current

I_LIM

I_SCC

I_Q

V_OUT=0

I_OUT=0mA

V_CE=GND, Shutdown

250

0.01

120

I_STBY

I_OUT=300mA

100

170

510

0.5

Dropout Voltage ^{(note 7)}

V_DROP

I_OUT=1A

340

0.05

Line Regulation ^{(Note 8)}

Load Regulation ^{(Note 9)}

ΔV_LINE

ΔV_LOAD

5.5V≤V_DD≤ 6V, I_OUT=100mA

1mA≤I_OUT≤1A

%/V

Output Voltage ^{(Note 10)}

Temperature Coefficient

I_OUT=100mA

-40°C ≤T≤85°C

Shutdown

TC_VOUT

±100

ppm/°C

Logic Low

Logic High

V_IL

V_IH

0.4

Input Threshold

Start up

1.0

CE Pull-down Resistance

Output Noise Voltage

f=1kHz

R_CE

e_NO

MΩ

uV_RMS

10Hz to100KHz, I_OUT=1mA

(VOUT≤3.3V)

Power Supply

Rejection Ratio

0.2V_P-PRipple

I_OUT=100mA

PSRR

f=1kHz

(VOUT>3.3V)

Thermal Shutdown Temperature

Thermal Shutdown Hysteresis

Output Discharge Resistance

T_SD

T_SDHY

R_DSC

Shutdown, Temp increasing

165

°C

Note 5: 100% production test at +25°C. Specifications over the temperature range are guaranteed by design and

characterization.

Note 6: This IC includes two kinds of output voltage accuracy versions. A: ±1%, B: ±2%.

Note 7: The required minimum input operating voltage is equal to V_OUT+V_DROP, and if V_OUT+V_DROP<2.5V, the required

minimum input operating voltage must be set to 2.5V. V_OUTis the normal output voltage, e.g. V_OUT=2.8V for 2.8V fixed

output version.













V_OUT1V_{OUT 2}

VDD V_OUT

Note 8: Line regulation is calculated by

V_LINE



100

Where V_OUT1is the output voltage when V_DD1=6.0V, V_OUT2is the output voltage when V_DD2= max (V_OUT+0.5V, 2.5V).

△V_DD=V_DD1-V_DD2

Note 9: Load regulation is calculated by

V_LOADV_OUT1V_{OUT 2}

Where V_OUT1is the output voltage when I_OUT1=1mA, and V_OUT2is the output voltage when I_OUT2=1.0A.

V_OUT

T V_OUT

Note 10: The temperature coefficient is calculated by

TC_V



OUT

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Typical Performance Characteristic

(V_DD=V_OUT+1V, and if V_OUT<1.5V, V_DD=2.5V CE=V_DD, C_IN=2.2F, C_OUT=2.2F, T_A=25°C, unless

otherwise noted.)

Output Voltage VS. Input Voltage

Dropout Voltage VS. Output Current

BL9110-1.0V

BL9110-3.3V

1.2

1.0

0.8

0.6

0.4

0.2

0.0

1.2

1.0

0.8

0.6

0.4

0.2

0.0

550

500

450

400

350

300

250

200

150

100

-40^oC

25^oC

85^oC

I_OUT=1mA

I_OUT=99mA

I_OUT=300mA

I_OUT=1A

0.0

0.2

0.4

0.6

0.8

1.0

Input Voltage (V)

Output Current (A)

Output Voltage VS. Input Voltage

Output Voltage VS. Temperature

BL9110-3.3V

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0.0

3.40

3.35

3.30

3.25

3.20

I_OUT=1mA

I_OUT=100mA

I_OUT=1mA

I_OUT=99mA

I_OUT=300mA

0.0 0.5

1.0

1.5 2.0

2.5

3.0 3.5

4.0 4.5 5.0

5.5 6.0

-40

-20

Input Voltage (V)

Temperature (^oC)

Quiescent Current VS. Input Voltage

Quiescent Current VS. Temperature

BL9110-3.3V

100

-40 -30 -20 -10

3.5

4.0

4.5

5.0

5.5

6.0

Temperature (^oC)

Input Voltage (V)

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Turn on Transient Response

BL9110-3.3V

Output Voltage VS. Output Current

BL9110-3.3V

3.5

3.0

2.5

2.0

1.5

1.0

0.5

0.0

CH1: EN Pin Voltage (V)

CH4: Output Voltage (V)

CH2: Input Inrush Current (mA)

0.0

0.2

0.4

0.6

0.8

1.0

1.2

Output Current (A)

Turn off Transient Response

BL9110-3.3V

100mA, resistive load

No load

CH1: EN Pin Voltage (V)

CH4: Output Voltage (V)

CH1: EN Pin Voltage (V)

CH4: Output Voltage (V)

Load Transient Response

BL9110-3.3V

500mA

100mA

50mA

CH2: Output Current (mA)

100mA

CH4: Output Voltage (mV)

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Line Transient Response

BL9110-3.3V

I_OUT=1mA

I_OUT=100mA

CH2: Input Voltage (V)

CH4: Output Voltage (mV)

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BL9110

1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

Applications Information

The BL9110 is a low dropout CMOS-based

positive voltage regulator that operates the

input voltage from +2.5V to 6.0V. Output

voltages are optional ranging from 1.0V to

5.0V, and can supply current up to 1.0 A.

is to choose R2=20kΩ to set the divider

current at 50uA, and then calculate R1

using Equation as below:

VOUT





R1

1  R2







VREF



Enable Function

A small compensation capacitor C3 placed

between VOUT and ADJ may improve the

stability of the adjustable. The suggested

value of this capacitor is about 10pF to

22pF.

The BL9110 is shutdown by pulling the CE

input low, and turn on by driving the input

high. If this feature is not be used, the CE

input should be floating or tied to VDD to

keep the regulator on at all times.

OUTPUT VOLTAGE

PROGRAMMING GUIDE

OUTPUT

Programming the BL9110 Adjustable

LDO regulator

VOLTAGTE

1.8V

16 kΩ

30 kΩ

51 kΩ

62 kΩ

20 kΩ

22 kΩ

24 kΩ

2.5V

The BL9110 is available in two types, either

fixed or adjustable output voltage. The

output range of the adjustable types is from

1V to 5V. The output voltage of the BL9110

adjustable regulator is programmed using

an external resistor divider as show in

Figure as below. The output voltage is

calculated using equation as below:

3.3V

3.6V

BL9110 Adjustable LDO regulator

Programming

VOUT

VDD

VOUT

10uF

2.2uF

GND

BL9110

ADJ







OUT VREF  1







Thermal Protection

Where V_REF=1V is the internal reference

voltage.

Thermal overload protection limits total

power dissipation in the BL9110. When the

junction temperature exceeds T_J=165°C ,

the OTP circuit starts the thermal shutdown

function and turns the pass element off

allowing the IC to cool. The OTP circuit

turns on the pass element again after IC’s

junction temperature cool by 30°C , result in

a pulsed output during continuous thermal

Resistors R1 and R2 should be chosen for

approximately 50uA divider current. Lower

value resistors can be used for improved

noise performance, but the solution

consumes more power. Higher resistor

values should be avoided as leakage

current at ADJ increases the output voltage

error. The recommended design procedure

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High PSRR CMOS Linear Regulator

overload conditions. Thermal-overloaded

protection is designed to protect the

BL9110 in the event of fault conditions. Do

not exceed the absolute maximum junction

temperature rating of T_J=125°C for

capacitors used with the BL9110 must be

carefully selected for regulator stability and

performance. The BL9110 requires an

output capacitor between the VOUT and

GND pins for phase compensation. Using a

capacitor whose value is ≥1μF on the

BL9110 input and the amount of

capacitance can be increased without limit.

The input capacitor must be located a

distance of not more than 0.5 inch from the

input pin of the IC and returned to a clean

analog ground. Any good quality ceramic or

tantalum can be used for this capacitor.

The capacitor with larger value and lower

continuous

operation.

The

build-in

fold-back current limit protection circuit will

reduce current value as output voltage

drops. When output is shorted to ground,

current limit is reduced to 250mA, avoiding

damaging the device.

Operating Region and Power

Dissipation

ESR

(equivalent

series

resistance)

The maximum power dissipation of BL9110

depends on the thermal resistance of the

case and circuit board, the temperature

difference between the die junction and

ambient air, and the rate of airflow. The

power dissipation across the device is

provides better PSRR and line-transient

response. The output capacitor must meet

both requirements for minimum amount of

capacitance and ESR in all LDO

applications. The BL9110 is designed

specifically to work with low ESR ceramic

output capacitor in space-saving and

performance consideration. In the BL9110,

phase compensation is made with the

output capacitor for securing stable

operation even if the load current is varied.

For this purpose, use a 2.2uF capacitor

between VOUT pin and GND pin as close

as possible.

P_D= (V_DD−V_OUT) ×I_OUT+ V_DD×I _Q

The maximum power dissipation is:

P_D(MAX) = (T_J(MAX) − T_A) /θ_JA

Where T_J(MAX) is the maximum operation

junction temperature 125°C, T_Ais the

ambient temperature and the θ_JAis the

junction to ambient thermal resistance. The

GND pin of the BL9110 performs the dual

function of providing an electrical

connection to ground and channeling heat

away. Connect the GND pin to ground

Load-Transient Considerations

The BL9110 load-transient response

graphs show two components of the output

response: a DC shift from the output

impedance due to the load current change,

and the transient response. The DC shift is

quite small due to the excellent load

regulation of the IC. Typical output voltage

transient spike for a step change in the load

current from 0mA to 50mA is tens of mV,

using a large pad or ground plane.

Capacitor Selection and Regulator

Stability

Like any low-dropout regulator, the external

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High PSRR CMOS Linear Regulator

depending on the ESR of the output

capacitor. Increasing the output capacitor's

value and decreasing the ESR attenuates

the overshoot.

Layout Considerations

To improve AC performance such as PSRR,

output noise, and transient response, it is

recommended that the PCB be designed

with separate ground planes for VDD and

VOUT, with each ground plane connected

only at the GND pin of the device. Make

VDD and GND lines sufficiently wide. If

their impedance is high, noise pickup or

unstable operation may result. Connect a

capacitor C1 between VDD and GND pin,

as close as possible to the pins. Set

external components, especially the output

Input-Output (Dropout) Voltage

A regulator's minimum input-output voltage

differential (or dropout voltage) determines

the lowest usable supply voltage. In

battery-powered

systems,

this

will

determine the useful end-of-life battery

voltage. Because the BL9110 uses a

P-Channel MOSFET pass transistor, the

dropout voltage is

function of

capacitor C2, as close as possible to the IC,

and make wiring as short as possible.

drain-to-source on resistance [R_DS(ON)

multiplied by the load current.

]

BL9110 SOT89-5 PCB Layout for Reference

Top Layer

Bottom Layer

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1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

Package Description

DFN-6

Dimensions In Millimeters

Symbol

Min

NOM

0.75

0.02

0.3

Max

0.8

0.7

0.05

0.35

0.25

2.05

1.45

0.25

0.18

1.95

0.2

0.65BSC

1.30BSC

1.95

0.50

0.25

0.1

2.05

0.85

0.40

0.2

0.30

0.15

DFN-6 Surface Mount Package

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1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

SOT89-5

Dimensions In Millimeters

Dimensions In Inches

Symbol

Min

Max

Min

Max

1.397

0.356

0.406

2.388

3.937

0.787

4.394

1.397

1.600

0.508

0.533

2.591

4.242

1.194

4.597

1.702

0.055

0.014

0.016

0.094

0.155

0.031

0.173

0.055

0.063

0.020

0.021

0.102

0.167

0.047

0.181

0.067

1.500 TYP.

0.060 TYP.

0.356

0.432

0.014

0.017

SOT89-5 Surface Mount Package

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1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

SOT-223-3

Devices per reel 2500

Package

SOT-223

Unit

Package specification：

MIN NOM MAX

1.50 1.65 1.80

A1 0.02 0.06 0.10

A2 1.45 1.60 1.75

A3 0.80 0.90 1.00

0.67

0.66 0.71 0.75

2.96 3.09

2.95 3.00 3.05

0.30 0.35

0.29 0.30 0.31

6.35 7.05

0.80

D1 6.30 6.50 6.70

6.80 7.00 7.20

E1 3.40 3.50 3.60

2.30BSC

4.60BSC

0.80 1.00 1.20

1.75REF

0.25BSC

0°

8°

θ 1 10° 12° 14°

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High PSRR CMOS Linear Regulator

Taping dimension：

Taping reel dimension：

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High PSRR CMOS Linear Regulator

SOT-223-5

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1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

TO-252-3

Package

TO252-3

Devices per reel

2500

Taping dimension：

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1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

TO-252-5

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1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

Dimensions In Millimeters

Symbol

MIN

0.05

2.1

NOM

0.15

2.3

MAX

0.25

2.5

0.5

0.6

0.7

0.6

0.46

0.45

0.49

0.48

6.3

0.55

0.56

0.52

6.7

0.5

6.5

5.30 REF

5.50

1.27BSC

1.50

3.1

1.40BSC

5.30

5.70

1.40

3.0

1.60

3.2

8°

TO-263-3

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High PSRR CMOS Linear Regulator

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High PSRR CMOS Linear Regulator

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1A Low Dropout, Low Quiescent Current

High PSRR CMOS Linear Regulator

TO-220-3

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High PSRR CMOS Linear Regulator

SOT-89-3

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High PSRR CMOS Linear Regulator

TO92-3

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BL9110-100APIA [BELLING]

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