TC120 查看數據表（PDF） - Microchip Technology

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TC120

PWM/PFM Step-Down Combination Regulator/Controller

Microchip Technology 

TC120

Electrical Characteristics: Test circuit of Figure 3-1, TA = 25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

3

5

Response Time

Soft Start Time

6

10

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

8

16

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)

V VOUT = 0V, (Note 2)

msec Time from VOUT = 0V to

SHDN = VIL (Note 2)

msec

 2001-2012 Microchip Technology Inc.

DS21365C-page 3

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