Datasheet > S-85V1AB09-I6T1U

S-85V1AB09-I6T1U

更新时间： 2022-12-29 21:18:47

品牌	Logo	应用领域
精工 - SII		输入元件开关
页数	文件大小	规格书
30页	2850K
描述
5.5 V INPUT, 200 mA SYNCHRONOUS STEP-DOWN SWITCHING REGULATOR WITH 10 uA QUIESCENT CURRENT

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S-85V1AB09-I6T1U 数据手册

S-85V1A Series

5.5 V INPUT, 200 mA SYNCHRONOUS STEP-DOWN

SWITCHING REGULATOR WITH 10

A QUIESCENT CURRENT

www.sii-ic.com

Rev.1.0_00

The S-85V1A Series is a step-down switching regulator which features high efficiency and fast transient response.

Since PWM / PFM switching control automatically switches to PFM control when under light load, high efficiency is

realized. This IC is suitable for mobile devices and battery powered devices due to introduction of own distinctive COT

(Constant On-Time) control.

Also, high-density mounting is realized by adopting super-small, thin SNT-6A package. Therefore, the occupancy area

including a coil, an input capacitor and an output capacitor can be reduced to 2.0 mm × 4.5 mm = 9.0 mm², and it

contributes to miniaturization of electronic equipment.

 Features

 Applications

• Current consumption:

• Efficiency:

• Fast transient response:

• Input voltage:

• Output voltage:

10 μA quiescent current

93%

COT control

• Bluetooth device

• Wireless sensor network device

• Healthcare equipment

• Smart meter

2.2 V to 5.5 V

0.7 V to 2.5 V, in 0.05 V step

2.6 V to 3.9 V, in 0.1 V step

1.5% (1.0 V ≤ V_OUT≤ 3.9 V)

15 mV (0.7 V ≤ V_OUT< 1.0 V)

1.0 MHz (at PWM operation)

450 mΩ

• Portable game device

• Remote control

• Output voltage accuracy:

 Package

• Switching frequency:

• SNT-6A

(1.80 mm

• High side power MOS FET on-resistance:

• Low side power MOS FET on-resistance:

• Soft-start function:

× 1.57 mm × t0.5 mm max.)

350 mΩ

1 ms typ.

• Under voltage lockout function (UVLO):

• Thermal shutdown function:

1.8 V typ. (detection voltage)

135°C typ. (detection temperature)

450 mA (at L = 2.2 μH)

• Overcurrent limit function:

•

Automatic recovery type short-circuit protection function:Hiccup control

• Input and output capacitors:

• Operation temperature range:

• Lead-free (Sn 100%), halogen-free

Ceramic capacitor compatible

Ta = −40°C to +85°C

 Typical Application Circuit

 Efficiency

V_OUT(S)= 1.8 V

100

2.2 H

OUT

VIN

OUT

10 F

PVSS

VOUT

IN = 2.5 V

VIN = 3.6 V

VIN = 4.2 V

VSS

0.1

100

1000

IOUT [mA]

12 3 4 5 6 7...30

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