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MAX1889EVKIT

更新时间： 2024-11-04 23:45:51

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
8页	218K
描述
Evaluation Kit for the MAX1889

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中文翻译

获取价格

数据手册

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MAX1889EVKIT 数据手册

19-2518; Rev 2; 9/02

MAX1889 Evaluation Kit

General Description

Features

The MAX1889 evaluation kit (EV kit) is a fully assembled

and tested surface-mount circuit board that contains a

step-up switching regulator, a positive three-stage

charge-pump and high-voltage positive linear-regulator

controller, and a negative three-stage charge-pump

and high-voltage negative linear-regulator controller.

The step-up switching circuit is configured for a 9V out-

put and provides up to 200mA from a DC supply volt-

age of 2.7V to 5.5V.

ꢀ 2.7V to 5.5V Input Range

ꢀ Output Voltages

9V Output at 200mA (Step-Up Switching)

20V Output >10mA (Positive Charge-Pump

Regulator)

-7V Output >10mA (Negative Charge-Pump

Regulator)

ꢀ Resistor-Adjustable Outputs

The positive charge-pump and linear regulator are config-

ured for a 20V output using two charge-pump stages pro-

viding up to 10mA. The negative charge pump and linear

regulator are configured for a -7V output using a single

charge-pump stage providing up to 10mA. Power for the

positive charge-pump input can be provided by the DC

input source or the step-up switching regulator output.

Power for the negative charge-pump input can be provid-

ed by the DC input source or the power ground.

ꢀ Up to Three Positive and Three Negative Charge-

Pump Stages

ꢀ Up to +28V and -22V Linear-Regulated Output

(As Configured)

ꢀ 90% Efficiency

ꢀ 500kHz/1MHz Step-Up Switching Frequency

ꢀ Overcurrent Protection

ꢀ Low Profile

The MAX1889 EV kit demonstrates low quiescent cur-

rent and high efficiency (up to 90%) for maximum bat-

tery life. The EV kit features overload protection for the

input and all outputs. Operation at 1MHz allows the use

of tiny surface-mount components. The MAX1889 QFN

package (1.0mm max) with low-profile external compo-

nents allows this circuit to be 1.25mm high.

ꢀ Surface-Mount Components

ꢀ Fully Assembled and Tested

Ordering Information

PART

TEMP RANGE

IC PACKAGE

16 QFN 5mm 5mm

MAX1889EVKIT

0°C to +70°C

Component List

DESIGNATION QTY

DESCRIPTION

DESIGNATION QTY

DESCRIPTION

0.47µF 10ꢀ% 1ꢁ6 ꢂ7ꢃ

220pF 10ꢀ% 506 CꢄG

ceramic capacitor (0ꢁ03)

TDK C1ꢁ08CꢄG1H221K

C2% C3

C4% C5% Cꢁ

ceramic capacitor (0805)

Taiyo Yuden EMK212BJ474KD

0.22µF 10ꢀ% 106 ꢂ7ꢃ

ceramic capacitor (0ꢁ03)

Taiyo Yuden LMK107BJ224KA

3.3µF 20ꢀ% ꢁ.36 ꢂ5ꢃ

ceramic capacitors (0805)

Taiyo Yuden JMK212BJ335MG

C10–C14% C17%

C18% C19%

0.1µF 10ꢀ% 506 ꢂ7ꢃ

ceramic capacitors (0805)

Taiyo Yuden UMK212BJ104KG

4.7µF 20ꢀ% 106 ꢂ7ꢃ

ceramic capacitors (1210)

Taiyo Yuden LMK325BJ475MF

C21% C22

0.15µF 10ꢀ% 506 ꢂ7ꢃ

ceramic capacitors (120ꢁ)

Taiyo Yuden UMK31ꢁBJ154KF

0.01µF 10ꢀ% 506 ꢂ7ꢃ ceramic

capacitor (0ꢁ03)

TDK C1ꢁ08ꢂ7ꢃ1H103K

C15% C20

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7 8

中文翻译

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与MAX1889EVKIT相关器件

型号	品牌	获取价格	描述	数据表
MAX188AEAP	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDSO20, SSO
MAX188AEAP+	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDSO20, SSO
MAX188AEAP-T	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDSO20, SSO
MAX188AEWP	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDSO20, SO-
MAX188AEWP-T	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDSO20, SO-
MAX188AMJP	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, CDIP20, CER
MAX188BCAP+	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDSO20, SSO
MAX188BCPP	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDIP20, PLA
MAX188BCPP+	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDIP20, PLA
MAX188BEAP	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 8 Channel, Serial Access, CMOS, PDSO20, SSO

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