BM9166DIM23 [ETC]

250mA CMOS LDO; 250毫安CMOS LDO


型号：	BM9166DIM23
厂家：	ETC
描述：	250mA CMOS LDO 250毫安CMOS LDO
文件：	总9页 (文件大小：253K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

BM9166

250mA CMOS LDO

GENERAL DESCRIPTION

FEATURES

The BM9166 family is a positive voltage linear regulator

ꢀ

Very Low Dropout Voltage

Low Current Consumption: Typ. <55uA

developed utilizing CMOS technology featured low quiescent ꢀ

current (<55uA typ.), low dropout voltage, and high output ꢀ

voltage accuracy. Built-in low on-resistance transistor provides ꢀ

Output Voltage: 1.5V, 2.5V , 3.0V, 3.3V

High Accuracy Output Voltage: +/- 1.5%

Guaranteed >200mA Output

Input Range of 1.8V to 7.0V

low dropout voltage and large output current. A 2.2µF or

greater can be used as an output capacitor.

ꢀ

Thermal Shutdown

The SOT-23-3 miniaturized package are recommended for ꢀ

configuring portable devices and large current application, ꢀ

High PSRR to 60dB

Compact Package: SOT-23-3, SOT-89

Factory Pre-set Output Voltages

Short Circuit Current Fold-Back

Low Temperature Coefficient

respectively.

ꢀ

These robust devices are designed to prevent device failure ꢀ

under the worst operation condition with both Thermal

Shutdown and Current Fold-back.

APPLICATIONS

ꢀ

Battery-powered devices , like DSC , MP3 ,

portable DVD

ꢀ

Personal communication devices

Home electric/electronic appliances

PC peripherals ( PC card)

, Hard-disc

Pin define

SOT23-3

pin1 = GND ,

pin2 = Vout ,

Pin3 = Vin

SOT89

pin1 ＝GND

pin2 = Vin

pin3 = Vout

2004/8/30

www.digitalspirit.info

Page 1

BM9166

250mA CMOS LDO

BLOCK DIAGRAM

OUT

Overcurrent

Shutdown

Thermal

Shutdown

AMP

GND

2004/8/30

www.digitalspirit.info

Page 2

BM9166

250mA CMOS LDO

ORDERING INFORMATION

Part Number

BM9166EIM23

BM9166EIM89

BM9166DIM23

BM9166DIM89

BM9166CIM23

BM9166CIM89

BM9166BIM23

BM9166BIM89

BM9166FIM23

BM9166FIM89

BM9166AIM23

BM9166AIM89

Output Voltage

Temperature Range

-40℃ ~ +85℃

Package

SOT-23-3

SOT-89

1.5V

1.8V

SOT-23-3

SOT-89

1.8V

2.5V

SOT-23-3

SOT-89

2.5V

2.8V

3.0V

3.3V

SOT-23-3

SOT-89

SOT-23-3

SOT-89

SOT-23-3

SOT-89

MARKING INFORMATION

Part Number

BM9166EIM23

BM9166DIM23

BM9166CIM23

BM9166BIM23

BM9166FIM23

BM9166AIM23

Output Voltage

Laser marking on chip

Package

SOT-23-3

1.5V

66E (168E)

66D

1.8V

2.5V

66C

2.8V

3.0V

3.3V

66B

66F

66A

Note: please contact Bookly Micro Sales office for detail if any concern or question on above information.

2004/8/30

www.digitalspirit.info

Page 3

BM9166

250mA CMOS LDO

ABSOLUTE MAXIMUM RATINGS

OPERATING RATINGS

Input Voltage …………….……………………………. +7V

Ambient Temperature Range (T_A) ……... -40℃ to +85℃

Junction Temperature Range …..…... -40℃ to +125℃

Output Current …………………….……

P_D/ (V_IN- Vo)

Output Voltage …………………… GND-0.3V to V_IN+0.3V

ESD Classification ………………………………………… B

THERMAL INFORMATION

Parameter

Maximum

Unit

SOT-23-3

110

℃/W

Thermal Resistance (Θ_jc)

Thermal Resistance (Θ_ja)

SOT-89

SOT-23-3

SOT-89

325

180

300

℃/W

SOT-23-3

Internal Power Dissipation (P_D)

SOT-89

550

2750*

(ΔT = 100℃)

Maximum Junction Temperature

Maximum Lead Temperature (10 Sec)

150

300

℃

*With Junction sink capable of twice times ofΘ_jc

Caution: Stress above the listed absolute rating may cause permanent damage to the device.

2004/8/30

www.digitalspirit.info

Page 4

BM9166

250mA CMOS LDO

ELECTRICAL CHARACTERISTICS

T_A= +25℃; unless otherwise noted

BM9166

Unit

Parameter

Test Conditions

Min.

Note 1

-1.5

Typ.

Max.

Input Voltage

Output Voltage Accurancy

I_o= 1mA to 250mA

I_o=100mA, V_OUT=V_OUT-2.0%, VOUT>2.5V

I_o=100mA, V_OUT=V_OUT-2.0%, VOUT<=2.0V

V_OUT> 1.2V

1.5

150mV

210mV

Dropout Voltage

Output Current

Short Circuit Current

Current Limit

150

300

V_OUT< 1.05V

300

V_OUT>1.2V

450

Quiescent Current

Ground Pin Current

V_IN=5V, No Load

I = 1mA to 250mA

I_OUT=5mA, V_IN=V_OUT+1 to V_OUT+2, V_OUT<= 3.0V

-0.15

-0.3

0.03

0.06

0.2

0.15

0.3

Line Regulation

Load Regulation

_OUT=5mA, V_IN=V_OUT+1 to V_OUT+2, V_OUT> 3.0V

I_o=1mA to 250mA

f=1KHz

I_O= 100mA

f=10KHz

Power Supply Rejection

C_O=10µF ceramic

f=100KHz

Over Temperature Shutdown

Over Temperature Hystersis

Output Noise

150

℃

F=10Hz to 100kHz, C_O=10µF, I_O= 10mA

μVrms

ppm/℃

Output Voltage Temp. Coeff.

Note 1. V_IN(MIN)= V_OUT+ 0.3V

DETAILED DESCRIPTION

The BM9166 family of CMOS regulators contain a PMOS pass transistor, voltage reference, error amplifier, over-current

protection, thermal shutdown, and short circuit protection.

The P-channel pass transistor receives data from the error amplifier, over-current shutdown, short output protection, and thermal

protection circuits. During normal operation, the error amplifier compares the output voltage to a precision reference. Over-current

and Thermal shutdown circuits become active when the junction temperature exceeds 150℃, or the current exceeds 350mA.

During thermal shutdown, the output voltage remains low. Normal operation is restored when the junction temperature drops

below 120℃.

The BM9166 switches from voltage mode to current mode when the load exceeds the rated output current. This prevents

over-stress. The BM9166 also incorporates current fold-back to reduce power dissipation when the output is short-circuited. This

feature becomes active when the output drops below 1.05V, and reduces the current flow by 65%. Full current is restored when

the voltage exceeds 1.05V.

EXTERNAL CAPACITOR

The BM9166 is stable with an output capacitor to ground of 2.2µF or 10uF is best. It can keep stable even with higher or poor

ESR capacitors. A second capacitor is recommended between the input and ground to stabilize VIN. The input capacitor should

be larger than 0.1µF to have a beneficial effect. All capacitors should be placed in close proximity to the pins. A “quiet” ground

termination is desirable.

2004/8/30

www.digitalspirit.info

Page 5

BM9166

250mA CMOS LDO

TYPICAL ELECTRICAL CHARACTERISTICS

2004/8/30

www.digitalspirit.info

Page 6

BM9166

250mA CMOS LDO

2004/8/30

Page 7

BM9166

250mA CMOS LDO

2004/8/30

Page 8

BM9166

250mA CMOS LDO

PACKAGE DIMENSION (CONTINUED)

SOT-23-3 (M23)

With Plating

Base Metal

Section B-B

θ1

θ2

See Section B-B

SOT-89 (M89)

φ1.0

2004/8/30

Page 9

相关型号：