NCV887720BSTGEVB Ver la hoja de datos (PDF) - ON Semiconductor

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NCV887720BSTGEVB

NCV887720 Automotive Grade High-Frequency Start-Stop Boost Controller Evaluation Board User'sManual

ON Semiconductor 

NCV887720BSTGEVB

Table 1. EVALUATION BOARD TERMINALS

Terminal

Function

VIN (large post)

Positive DC input voltage (power)

GND (large post)

Common DC return (power)

VOUT (large post)

Regulated DC output voltage (power)

GND (small post)

Common DC return, monitoring point

VC (small post)

Voltage compensation, monitoring point

VOUT (small post)

Regulated DC output voltage, monitoring point

VDRV (small post)

Driving voltage, monitoring point

DISB (small post)

Disable override input, monitoring point

ISNS (small post)

Current sense resistor voltage, monitoring point

VG (small post)

MOSFET gate voltage, monitoring point

SW (small post)

MOSFET drain voltage, monitoring point

Table 2. ABSOLUTE MAXIMUM RATINGS (Voltages are with respect to GND)

Rating

Value

Unit

DC supply voltage (VIN)

-0.3 to 45

V

DC supply voltage (EN, SYNC)

-0.3 to 6

V

DC Voltage (DISB)

-0.3 to 6

V

Junction Temperature

-40 to 150

°C

Ambient temperature (Evaluation Board)

-40 to 105

°C

Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality

should not be assumed, damage may occur and reliability may be affected.

Table 3. ELECTRICAL CHARACTERISTICS

(TA = 25°C, 3.75 V ≤ VIN ≤ Vout_LED, VDISB = 5 V, unless otherwise specified)

Characteristics

Conditions

Typical Value

Unit

Switching

Switching Frequency

ROSC = 10.7 kW

440

kHz

User Selectable Frequency Range

ROSC (refer to datasheet)

170-500

kHz

Current Limit

Cycle-by-cycle Current Limit (FET)

-

11

A

Protections

Maximum Duty Cycle

-

0.83

-

VOUT Undervoltage Lockout (UVLO)

VOUT falling

3.8

V

Thermal Shutdown

TA increasing

170

°C

Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product

performance may not be indicated by the Electrical Characteristics if operated under different conditions.

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