HM5202 datasheet(3/8 Pages) HMSEMI

Part #	HM5202

Description	Dual High-Efficiency PWM Step-Down DC/DC Converter

PDF	8 Pages

Scroll/Zoom	100%

Manufacturer	HMSEMI [Shenzhen Huazhimei Semiconductor Co., Ltd]

Direct Link	http://www.hmsemi.com/

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3 / 8 page

ELECTRICAL CHARACTERISTICS

(Vin=3.6V,Vout=1.8V,L=2.2uH, Cin=10uF, Cout=22uF, Ta=25°C)

Parameter

Conditions

MIN

TYP

MAX

unit

Channel1 and Channel2

Input Voltage Range

2.3

UVLO Threshold

1.7

1.8

1.9

Input DC Supply Current

PWM Mode

PFM Mode

Shutdown Mode

(Note 4)

Vout = 90%, Iload=0mA

Vout = 105%, Iload=0mA

VRUN = 0V, VIN=4.2V

140

0.1

200

1.0

µA

Regulated Feedback

Voltage

TA = 25°C

0.588

0.600

0.612

TA = 0°C ≤ TA ≤ 85°C

0.586

0.600

0.613

TA = -40°C ≤ TA ≤ 85°C

0.585

0.600

0.615

Reference Voltage Line

Regulation

Vin=2.4V to 5.5V

0.04

0.40

%/V

Output Voltage Line

Regulation

VIN = 2.4V to 5.5V

0.04

0.4

Output Voltage Load

Regulation

0.5

Oscillation Frequency

Vout=100%

Vout=0V

1.5

MHz

300

kHz

On Resistance of PMOS

ILX=100mA

0.12

0.22

Ω

ON Resistance of NMOS

ILX=-100mA

0.10

0.2

Ω

Peak Current Limit

VIN= 3V, Vout=90%

EN Threshold

0.40

1.0

1.50

EN Leakage Current

±0.01

±0.1

µA

LX Leakage Current

VRUN=0V,VIN=Vsw=3.6V

±0.01

±1.0

µA

HM5202

HM5202 Datasheet(PDF) 3 Page - Shenzhen Huazhimei Semiconductor Co., Ltd

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