CS51033 datasheet(2/8 Pages) CHERRY

2 / 8 page

Power Supply Voltage, VCC..........................................................................................................................................................5V

Driver Supply Voltage, VC..........................................................................................................................................................20V

Driver Output Voltage, VGATE ...................................................................................................................................................20V

COSC, CS, VFB (Logic Pins) ............................................................................................................................................................5V

Peak Output Current................................................................................................................................................................. 1.0A

Steady State Output Current ................................................................................................................................................200mA

Operating Junction Temperature, TJ..................................................................................................................................... 150°C

Storage Temperature Range, TS...................................................................................................................................-65 to 150°C

ESD (Human Body Model).........................................................................................................................................................2kV

Lead Temperature Soldering

Wave Solder (through hole styles only) .....................................................................................10 sec. max, 260°C peak

Reflow (SMD styles only) ......................................................................................60 sec. max above 183°C, 230°C peak

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Absolute Maximum Ratings

Electrical Characteristics: Specifications apply for 3.135 ≤ VCC ≤ 3.465V, 3V ≤ VC ≤ 16V,

-40°C ≤ TA ≤ 125°C, -40°C ≤ TJ ≤ 125°C, unless otherwise specified.

Oscillator

VFB = 1.2V

Frequency

COSC = 470pF

160

200

240

kHz

Charge Current

1.4V < VCOSC < 2V

110

µA

Discharge Current

2.7V > VCOSC > 2V

660

µA

Maximum Duty Cycle

1 – (tOFF/tON)

80.0

83.3

Short Circuit Timer

VFB = 1.0V; CS = 0.1µF; VCOSC = 2V

Charge Current

1V < VCS < 2V

175

264

325

µA

Fast Discharge Current

2.55V > VCS > 2.4V

µA

Slow Discharge Current

2.4V > VCS > 1.5V

µA

Start Fault Inhibit Time

0.70

0.85

1.40

Valid Fault Time

2.6V > VCS > 2.4V

0.2

0.3

0.45

GATE Inhibit Time

2.4V > VCS > 1.5V

Duty Cycle

2.5

3.1

4.6

CS Comparator

VFB = 1V

Fault Enable CS Voltage

2.5

Max. CS Voltage

VFB = 1.5V

2.6

Fault Detect Voltage

VCS when GATE goes high

2.4

Fault Inhibit Voltage

Minimum VCS

1.5

Hold Off Release Voltage

VFB = 0V

0.4

0.7

1.0

Regulator Threshold

VCS = 1.5V

0.725

0.866

1.035

Voltage Clamp

VFB Comparator

VCOSC = VCS = 2V

Regulator Threshold Voltage

TJ = 25°C (Note 1)

1.225

1.250

1.275

TJ = -40 to 125°C

1.210

1.250

1.290

Fault Threshold Voltage

TJ = 25°C (Note 1)

1.12

1.15

1.17

TJ = -40 to 125°C

1.10

1.15

1.19

Threshold Line Regulation

3.135V ≤ VCC ≤ 3.465

Input Bias Current

VFB = 0V

µA

Voltage Tracking

(Regulator Threshold Voltage -

100

120

Fault Threshold Voltage)

Input Hysteresis Voltage

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