NCP4353, NCP4354

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5

ELECTRICAL CHARACTERISTICS

0

Parameter

Test Conditions

Symbol

Min

Typ

Max

Unit

Maximum Operating Input Volt-

age

36.0

V

VCC UVLO

3.3

3.5

3.7

V

2.3

2.5

2.7

VCC UVLO Hysteresis

0.8

1.0

V

Quiescent Current in Regulation

NCP4353A

101

125

mA

NCP4353B

82

105

NCP4354A

118

145

NCP4354B

95

120

Quiescent Current in OFF Mode

90

110

mA

VOLTAGE CONTROL LOOP OTA

Transconductance

Sink current only

1

S

Reference Voltage

2.8 V

1.244

1.250

1.256

V

2.8 V

1.240

1.250

1.264

2.8 V

1.230

1.250

1.270

Sink Current Capability

2.5

mA

1.2

1.5

2.0

mA

Inverting Input Bias Current

−100

100

nA

−13

−11

−10

mA

Inverting Input Bias Current

Threshold

In OFF mode

1.07

1.12

1.17

V

CURRENT CONTROL LOOP OTA (NCP435xA only)

Transconductance

Sink current only

3

S

Reference Voltage

60

62.5

65

mV

Sink Current Capability

2.5

mA

Inverting Input Bias Current

−100

100

nA

MINIMUM VOLTAGE COMPARATOR (except NCP4353A)

Threshold Voltage

355

377

400

mV

Hysteresis

Output change from logic high to logic low

40

mV

OFF MODE DETECTION COMPARATOR

Threshold Value

2.5 V

V

1.47

1.50

1.53

Hysteresis

Output change from logic high to logic low

40

mV

LED DRIVER (NCP4354x only)

Switching Frequency

1

kHz

Duty Cycle

10.0

12.5

15.0

%

Switch Resistance

50

W

OFF MODE CONTROL

Sink Current

140

160

180

mA

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.