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NCP3163PWR2G

3.4 A, Step-Up/Down/Inverting 50-300 kHz Switching Regulator

ON Semiconductor 

NCP3163, NCV3163

ELECTRICAL CHARACTERISTICS (VCC = 15 V, Pin 16 = VCC, CT = 270 pF, RT = 15 kW, for typical values TA = 25°C, for min/max

values TA is the operating ambient temperature range that applies (Note 7), unless otherwise noted.)

Characteristic

Symbol

Min

Typ

Max

Unit

OSCILLATOR

Frequency

TA = 25°C, VCC = 15 V

Total Variation over VCC = 2.5 V to 40 V and Temperature

fOSC

kHz

225

250

275

212

250

288

Charge Current

Ichg

−

225

−

mA

Discharge Current

Idischg

−

25

−

mA

Charge to Discharge Current Ratio

NCP3163 Ichg/Idischg

8.0

NCV3163

7.0

9.0

10.5

−

9.0

10.5

Sawtooth Peak Voltage

Sawtooth Valley Voltage

FEEDBACK COMPARATOR 1

Threshold Voltage

TA = 25°C

Total Variation over VCC = 2.5 V to 40 V and Temperature

Threshold Voltage − Line Regulation (VCC = 2.5 V to 40 V, TA = 25°C)

Input Bias Current (VFB1 = 5.05 V)

FEEDBACK COMPARATOR 2

Threshold Voltage

TA = 25°C, VCC = 15 V

Total Variation over VCC = 2.5 V to 40 V and Temperature

Threshold Voltage − Line Regulation (VCC = 2.5 V to 40 V, TA = 25°C)

Input Bias Current (VFB2 = 1.25 V)

CURRENT LIMIT COMPARATOR

Threshold Voltage

TA = 25°C

Total Variation over VCC = 2.5 V to 40 V, and Temperature

Input Bias Current (VIpk (Sense) = 15 V)

DRIVER AND OUTPUT SWITCH (Note 6)

Saturation Voltage (ISW = 2.5 A, Pins 14, 15 grounded)

Non−Darlington (RPin 9 = 110 W to VCC, ISW/IDRV ≈ 20)

Darlington Connection (Pins 9, 10, 11 connected)

NCP3163

NCV3163

NCP3163

NCV3163

VOSC(P)

VOSC(V)

Vth(FB1)

REGline(FB1)

IIB(FB1)

Vth(FB2)

REGline(FB1)

IIB(FB2)

Vth(Sense)

IIB(Sense)

VCE(sat)

−

−

4.9

4.85

−

−

1.225

1.213

−

− 0.4

−

225

−

−

−

−

−

1.25

0.55

5.05

−

0.008

100

1.25

−

0.008

−

250

−

1.0

0.6

0.6

1.0

1.0

−

V

−

V

V

5.2

5.25

0.03

%/V

200

mA

V

1.275

1.287

0.03

%/V

0.4

mA

mV

−

270

20

mA

V

1.0

1.5

1.4

1.5

Collector Off−State Leakage Current (VCE = 40 V)

Bootstrap Input Current Source (VBS = VCC + 5.0 V)

Bootstrap Input Zener Clamp Voltage (IZ = 25 mA)

IC(off)

−

0.02

100

mA

Isource(DRV)

0.5

2.0

4.0

mA

VZ

VCC + 6.0 VCC + 7.0 VCC + 9.0

V

LOW VOLTAGE INDICATOR

Input Threshold (VFB2 Increasing)

Input Hysteresis (VFB2 Decreasing)

Output Sink Saturation Voltage (Isink = 2.0 mA)

Output Off−State Leakage Current (VOH = 15 V)

Vth

VH

VOL(LVI)

IOH

1.07

1.125

1.18

V

−

15

−

mV

−

0.15

0.4

V

−

0.01

5.0

mA

TOTAL DEVICE

Standby Supply Current (VCC = 2.5 V to 40 V, Pin 8 = VCC,

Pins 6, 14, 15 = GND, remaining pins open)

ICC

−

6.0

10

mA

5. Maximum package power dissipation limits must be observed.

6. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.

7. Tlow = 0°C for NCP3163

= − 40°C for NCP3163B

Thigh = + 70°C for NCP3163

= + 85°C for NCP3163B

= − 40°C for NCV3163

= + 125°C for NCV3163

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