PT6935 datasheet(4/12 Pages) TI

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PT6936

11 Amp 5V/3.3V-Input Dual Output

Integrated Switching Regulator

PT6936 Typical Characteristics

Efficiency vs Io1 (See Note A)

Vo1 Output Ripple vs Io1 (See Note A)

Power Dissipation vs Io1 (See Note A)

Safe Operating Area, Vin =5V (See Note B)

0123

45678

Io1 out (A) [ Io2 fixed at Io2(typ) ]

5.0V

VIN

012345678

Io1 (A) [ Io2 fixed at Io2(typ) ]

200LFM

120LFM

60LFM

Nat conv

Airflow

Note A:

Characteristic data has been developed from actual products tested at 25°C. This data is considered typical data for the Converter.

Note B:

SOA curves represent the conditions at which internal components are at or below the manufacturer’s maximum operating temperatures

0123

45678

Io1 out (A) [ Io2 fixed at Io2(typ) ]

5.0V

VIN

PT6936 Performance Specifications (Unless otherwise stated, Ta =25°C, Vin =5V, C1 =330µF, C2 =330µF, Io1 =Io1typ, and Io2 =Io2typ)

PT6936 (3.3V/2.5V)

Characteristic

Symbol

Conditions

Min

Typ

Max

Units

Output Current

Io1

Ta=25°C, natural convection

Vo1 (3.3V)

0.1 (i)

(ii)

11 (iii)

Io2

Vo2 (2.5V)

(ii)

(iii)

Io1

Ta =60°C, 200LFM airflow

Vo1 (3.3V)

0.1 (i)

(ii)

11 (iii)

Io2

Vo2 (2.5V)

(ii)

(iii)

Input Voltage Range

Vin

OverIoRange

4.5

—

5.5

VDC

Set Point Voltage Tolerance

Vo tol

Vo1

—

±16

±50

Vo2

—

±12±38

Temperature Variation

Regtemp

–40° >Ta > +85°C

—

±0.5

—

%Vo

Line Regulation

Regline

Over Vin range

Vo1

—

±5

±10

Vo2

—±2±5

Load Regulation

Regload

Over Io range

Vo1

—

±5

±10

Vo2

—

±5

±10

Total Output Voltage Variation

∆Votot

Includes set-point, line, load,

Vo1

—±29

—

–40° >Ta > +85°C

Vo2

—

±34

—

Efficiency

—81

—

Vo Ripple (pk-pk)

20MHz bandwidth

Vo1

—35

—

mVpp

Vo2

—35

—

TransientResponse

ttr

1A/µs load step, 50% to 100% Iotyp

—

µs

∆Vtr

Vo over/undershoot

Vo1

—

±60

—

Vo2

—

±60

—

Notes:

(i)

Io1(min) current of 0.1A can be divided between both outputs, Vo1 or Vo2. The module will operate at no load with reduced specifications.

(ii) The typical current is that which can be drawn simultaneously from both outputs under the stated operating conditions.

(iii) The sum of Io1 and Io2 must be less than Io1max, and Io2 must be less than Io2max.

0123

45678

Io1 out (A) [ Io2 fixed at Io2(typ) ]

5.0V

VIN

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