CS5101 datasheet(4/9 Pages) ONSEMI

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CS5101

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ELECTRICAL CHARACTERISTICS (−40°C ≤ TA ≤ 85°C, −40°C ≤ TJ ≤ 150°C, 10 V < VCC < 45 V, 8.0 V < VC < 75 V;

unless otherwise specified.)

Characteristic

Test Conditions

Min

Typ

Max

Unit

Output Stage

VG, High

VSYNC = 5.0 V, IVG = 200 mA, VC − VG

−

1.6

2.5

VG, Low

VSYNC = 0 V, IVG = 200 mA

−

0.9

1.5

VG Rise Time

Switch VSYNC High, CG = 1.0 nF, VCC = 15 V,

measure 2.0 V to 8.0 V

−

VG Fall Time

Switch VSYNC Low, CG = 1.0 nF, VCC = 15 V,

measure 8.0 V to 2.0 V

−

100

VG Resistance to GND

Remove supplies, VG = 10 V

−

100

VD Resistance to GND

Remove supplies, VD = 10 V

500

1500

−

General

ICC, Operating

VSYNC = 5.0 V

−

ICC in UVL

VCC = 6.0 V

−

300

500

ICC in Sleep Mode High

VRAMP = 0 V, VCC = 45 V

−

200

ICC in Sleep Mode Low

VRAMP = 0 V, VCC = 10 V

−

IC, Operating High

VSYNC = 5.0 V, VFB = VIS− = 0 V, VC = 75 V

−

4.0

8.0

IC, Operating Low

VSYNC = 5.0 V, VFB = VIS− = 0 V, VC = 8.0 V

−

3.0

6.0

UVLO Start Voltage

−

7.4

8.0

9.2

UVLO Stop Voltage

−

6.4

7.0

8.3

UVLO Hysteresis

−

0.8

1.0

1.2

Leading Edge, tDELAY

VSYNC = 2.5 V to VG = 8.0 V

−

280

−

Trailing Edge, tDELAY

VSYNC = 2.5 V to VG = 2.0 V

−

750

−

PACKAGE PIN DESCRIPTION

PACKAGE LEAD #

LEAD SYMBOL

FUNCTION

PDIP−14

SO−16WB

SYNC

Synchronization input.

VCC

Logic supply (10 V to 45 V).

VREF

5.0 V voltage reference.

−

LGND

Logic level ground (analog and digital ground tied).

VFB

Error amplifier inverting input.

COMP

Error amplifier output and compensation.

RAMP

RAMP programmable with the external capacitor.

IS+

Current sense amplifier non−inverting input.

IS−

Current sense amplifier inverting input.

IS COMP

Current sense amplifier compensation and output.

12, 13

PGND

Power ground.

External power switch gate drive.

Output power stage supply voltage (8.0 V to 75 V).

External FET DRAIN voltage monitor.

−

AGND

Analog ground.

−

DGND

Digital ground.

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