NCP5210 datasheet(6/18 Pages) ONSEMI

Numer części	NCP5210

Szczegółowy opis	3-in-1 PWM Dual Buck and Linear DDR Power Controller

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NCP5210

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ELECTRICAL CHARACTERISTICS (5VDUAL = 5 V, BOOT = 12 V, 5VATX = 5 V, DDQ_REF = 2.5 V, TA = 0°C to 70°C, L = 1.7 mH,

COUT1 = 3770

mF, COUT2 = 470 mF, COUT3 = NA, CSS = 33 nF, R1 = 2.166 kW, R2 = 2 kW, RZ1 = 20 kW, RZ2 = 8 W, CP1 = 10 nF,

CZ1 = 6.8 nF, CZ2 = 100 nF, RM1 = 2.166 k

W, RM2 = 2 kW, RZM1 = 20 kW, RZM2 = 8 W, CPM1 = 10 nF, CZM1 = 6.8 nF, CZM2 = 100 nF

for min/max values unless otherwise noted.) duplicate component values of MCH regulator from DDQ.

Characteristic

Unit

Max

Typ

Min

Test Conditions

Symbol

VTT ACTIVE TERMINATION REGULATOR

VTT tracking DDQ_REF/2 at S0 mode

dVTTS0

IOUT= 0 to 2.0 A (Sink Current)

IOUT= 0 to –2.0 A (Source Current)

−30

30

mV

VTT Source Current Limit

ILIMVTsrc

2.0

A

VTT Sink Current Limit

ILIMVTsnk

2.0

A

DDQ_REF Input Resistance

DDQREF

50

k

W

CONTROL SECTION

BUF_Cut Input Logic HIGH

Logic_H

2.0

V

BUF_Cut Input Logic LOW

Logic_L

0.8

V

BUF_Cut Input Current

Ilogic

1.0

mA

GATE DRIVERS

TGDDQ Gate Pull−HIGH Resistance

RH_TG

VCC = 12 V, V(TGDDQ) = 11.9 V

3.0

W

TGDDQ Gate Pull−LOW Resistance

RL_TG

VCC = 12 V, V(TGDDQ) = 0.1 V

2.5

W

BGDDQ Gate Pull−HIGH Resistance

RH_BG

VCC = 12 V, V(BGDDQ) = 11.9 V

3.0

W

BGDDQ Gate Pull−LOW Resistance

RL_BG

VCC = 12 V, V(BGDDQ) = 0.1 V

1.3

W

TG1P5 Gate Pull−HIGH Resistance

RH_TPG

VCC = 12 V, V(TG1P5) = 11.9 V

3.0

W

TG1P5 Gate Pull−LOW Resistance

RL_TPG

VCC = 12 V, V(TG1P5) = 0.1 V

2.5

W

BG1P5 Gate Pull−HIGH Resistance

RH_BPG

VCC = 12 V, V(BG1P5) = 11.9 V

3.0

W

BG1P5 Gate Pull−LOW Resistance

RL_BPG

VCC = 12 V, V(BG1P5) = 0.1 V

1.3

W

MCH SWITCHING REGULATOR

VFB1P5 Feedback Voltage,

Control Loop in Regulation

VFB1P5

TA = 0°C to 70°C

0.784

0.8

0.816

V

Feedback Input Current

I1P5FB

1.0

mA

Oscillator Frequency

F1P5

217

250

283

KHz

Oscillator Ramp Amplitude

dV1P5OSC

(Note 4)

1.3

Vp−p

Minimum Duty Cycle

Dmin_1P5

0

%

Maximum Duty Cycle

Dmax_1P5

100

%

Soft−Start Pin Current for V1P5 regulator

ISS2

(Note 4)

8.0

mA

4. Guaranteed by design, not tested in production.

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