ST1S10 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

ST1S10

3 A, 900 kHz, monolithic synchronous step-down regulator

STMicroelectronics 

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ST1S10

Electrical characteristics

Table 5.

Symbol

Electrical characteristics (continued)

VIN = VIN_SW = VIN_A = VINH = 12 V, VSYNC = GND, VOUT = 5 V, IOUT = 10 mA, CIN = 4.7 µF

+0.1 µF, COUT = 22 µF, L1 = 3.3 µH, TJ = -25 to 125°C (Unless otherwise specified, refer to

the typical application circuit. Typical values assume TJ = 25°C)

Parameter

Test conditions

Min. Typ. Max. Unit

IIL, IIH

UVLO

SYNC input current

Under voltage lock-out threshold

VIN = 2.5 V to 18 V,

VSYNC = 0 or 5 V

VIN rising

Hysteresis

-10

+10

µA

2.3

V

200

mV

1. Guaranteed by design, but not tested in production.

2. See output voltage selection paragraph 5.5 for maximum duty cycle conditions.

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