Datasheet > ETA1667

ETA1667

更新时间： 2024-04-09 18:58:48

品牌	Logo	应用领域
钰泰 - ETA		/
页数	文件大小	规格书
9页	941K
描述
17V/3A Sync. Buck

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ETA1667 数据手册

ETA1667

PIN CONFIGURATION

ABSOLUTE MAXIMUM RATINGS

(Note: Exceeding these limits may damage the device. Exposure to absolute

maximum rating conditions for long periods may affect device reliability.)

VIN, EN,SW Voltage .........................................–0.3V to 24V

BST Voltage ...............................................–0.3V to SW+6V

FB Voltage ..........................................................–0.3V to 6V

Junction Temperature.................................................150°C

Storage Temperature Range........................–55°C to 150°C

Top View

VIN

ETA1667

SOT563

Thermal Resistance

θ_JA

θ_JC

SOT563......................................120..........50............. °C/W

Lead Temperature (Soldering 10sec) .........................260°C

ESD HBM (Human Body Mode) .....................................2KV

ESD CDM (Charged Device Mode) ................................1KV

GND

BST

Recommended Operating Conditions

(Note: The device is not guaranteed to function outside its operating conditions.)

Ambient Temperature Range .........................–40°C to 85°C

Junction Temperature Range ………..…......–40°C to 125°C

ELECTRICAL CHARACTERISTICS

(V_IN= 12V, V_OUT= 3.3V, unless otherwise specified. Typical values are at TA = 25°C.)

PARAMETER

Input Voltage Range

CONDITIONS

MIN

TYP

MAX UNIT

4.2

Input UVLO

Rising, Hysteresis=450mV

Rising, Hysteresis=0.9V

V_FB=0.65V

3.85

18.4

200

Input OVP

Input Supply Current

Input Shutdown Current

FB Voltage

µA

0.609

0.1

µA

0.591

800

0.6

FB Input Current

Switching Frequency

Minimum On Time

Maximum Duty Cycle

µA

kHz

1000

1200

Ton_min

On Time

Off Time

1.4

4.2

0.3

110

Short Circuit Hiccup Time

FB Hiccup Threshold

High Side Switch On Resistance

Low Side Switch On Resistance

High Side Current Limit

SW Leakage Current

mΩ

4.9

V_IN=V_SW=12V

Hysteresis =0.1V

V_EN=2V

1.26

µA

EN Rising Threshold

EN Input Current

1.14

1.2

Thermal Shutdown

Rising, Hysteresis =36°C

150

°C

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