TC120_13 Datasheet, PDF(3/16 Page) Microchip Technology – PWM/PFM Step-Down Combination Regulator/Controller

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

TC120_13 Datasheet, PDF (3/16 Pages) Microchip Technology – PWM/PFM Step-Down Combination Regulator/Controller

◁

TC120

Electrical Characteristics: Test circuit of Figure 3-1, TA = 25ï°C, VIN = VR x 1.2, Note 1 unless otherwise noted.

Symbol

Parameter

Min

Typ

Max Units

Test Conditions

VUVLO Minimum Operating Voltage 0.9

VIH

VIL

tPRO

tSS

Note

SHDN Input Logic High,

0.65

Threshold Voltage

SHDN Input Logic Low,

Threshold Voltage

Short Circuit Protection

Response Time

Soft Start Time

1: VR is the factory-programmed output voltage setting.

2: No external components connected, except CSS.

3: While operating in PWM Mode.

1.8

0.20

V VOUT = VR x 0.9 (Note 2),

SHDN = VIN

Measured with internal transistor

in OFF state and VIN falling

V VOUT = 0V, (Note 2)

msec Time from VOUT = 0V to

SHDN = VIL (Note 2)

msec

ï£ 2001-2012 Microchip Technology Inc.

DS21365C-page 3

▷