NCP4354ADR2G datasheet(5/17 Pages) ONSEMI

5 / 17 page

NCP4353, NCP4354

www.onsemi.com

ELECTRICAL CHARACTERISTICS

°C ≤ TJ ≤ 125°C; VCC = 15 V; unless otherwise noted. Typical values are at TJ = +25°C.

Parameter

Test Conditions

Symbol

Min

Typ

Max

Unit

Maximum Operating Input Volt-

age

VCC

36.0

VCC UVLO

VCC rising

VCCUVLO

3.3

3.5

3.7

VCC falling

2.3

2.5

2.7

VCC UVLO Hysteresis

VCCUVLOHYS

0.8

1.0

Quiescent Current in Regulation

NCP4353A

ICC

101

125

NCP4353B

105

NCP4354A

118

145

NCP4354B

120

Quiescent Current in OFF Mode

VSNS < 1.12 V

ICC,OFFmode

110

VOLTAGE CONTROL LOOP OTA

Transconductance

Sink current only

gmV

Reference Voltage

2.8 V

≤ VCC ≤ 36.0 V, TJ = 25°C

VREF

1.244

1.250

1.256

2.8 V

≤ VCC ≤ 36.0 V, TJ = 0 − 85°C

1.240

1.250

1.264

2.8 V

≤ VCC ≤ 36.0 V, TJ = 0 − 125°C

1.230

1.250

1.270

Sink Current Capability

In regulation, VDRIVE or VFBC > 1.5 V

ISINKV

2.5

In OFF mode, VDRIVE or VFBC > 1.5 V

1.2

1.5

2.0

Inverting Input Bias Current

In regulation, VSNS = VREF

IBIASV

−100

100

In OFF mode, VSNS > 1.12 V

−13

−11

−10

Inverting Input Bias Current

Threshold

In OFF mode

VSNSBIASTH

1.07

1.12

1.17

CURRENT CONTROL LOOP OTA (NCP435xA only)

Transconductance

Sink current only

gmC

Reference Voltage

VREFC

62.5

Sink Current Capability

VDRIVE or VFBC > 1.5 V

ISINKC

2.5

Inverting Input Bias Current

ISNS = VREFC

IBIASC

−100

100

MINIMUM VOLTAGE COMPARATOR (except NCP4353A)

Threshold Voltage

VREFM

355

377

400

Hysteresis

Output change from logic high to logic low

VMINH

OFF MODE DETECTION COMPARATOR

Threshold Value

2.5 V

≤ VCC ≤ 36.0 V

VOFFDETTH

10% VCC

VCC = 15 V

1.47

1.50

1.53

Hysteresis

Output change from logic high to logic low

VOFFDETH

LED DRIVER (NCP4354x only)

Switching Frequency

fSWLED

kHz

Duty Cycle

DLED

10.0

12.5

15.0

Switch Resistance

ILED = 5 mA

RSW2

OFF MODE CONTROL

Sink Current

In OFF mode, VDRIVE or VONOFF > 0.6 V

IDRIVEOFF

140

160

180

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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