CS5112 datasheet(2/10 Pages) CHERRY

2 / 10 page

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Absolute Maximum Ratings

Logic Inputs/Outputs (

, SELECT, WDI,

) ................................................................................-0.3V to VLIN

VLIN ................................................................................................................................................................................-0.3V to 10V

VIN, VREG:

DC Input Voltage .................................................................................................................................................-0.3V to 26V

Peak Transient Voltage (26V Load Dump @ 14V VIN)....................................................................................-0.3V to 40V

VSW Peak Transient Voltage .....................................................................................................................................................54V

COSC, CDelay, COMP,VFB1, VFB2 ..................................................................................................................................-0.3V to VLIN

Power Dissipation.............................................................................................................................................Internally Limited

VLIN Output Current ........................................................................................................................................Internally Limited

VSW Output Current .........................................................................................................................................Internally Limited

Output Sink Current ..................................................................................................................................................5mA

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

ESD Susceptibility (Machine Model).....................................................................................................................................200V

Storage Temperature ...................................................................................................................................................-65 to 150¡C

Lead Temperature Soldering: Reflow (SMD styles only) ..........................................60 sec. max above 183¡C, 230¡C peak

RESET

ENABLE

Electrical Characteristics: 5V ² VIN ² 26V and -40¡C ² TJ ² 150¡C, -40¡C ² TA ² 85¡C, COUT = 100µF (ESR²8½),

CDelay = 0.1µF, RBIAS = 64.9k½, COSC = 390 pF, CCOMP = 0.1µF; unless otherwise specified.

s General

IIN Off Current

6.6V ² VIN ² 26V, ISW = 0A

2.0

IIN On Current

6.6V ² VIN ² 26V, ISW = 1.4A

IREG Current

ILIN = 100mA, 6.6V ² VREG ² 26V

Thermal Limit

Guaranteed by design

160

210

¡C

s 5V Regulator Section

VLIN Output Voltage

6.6V ² VREG ² 26V, 1mA ² ILIN ² 100mA

4.9

5.0

5.1

Dropout Voltage

(VREG - VLIN) @ ILIN = 100mA

1.2

1.5

Line Regulation

6.6V ² VREG ² 26V, ILIN = 5mA

Load Regulation

VREG = 19V, 1mA ² ILIN ² 100mA

Current Limit

6.6V ² VREG ² 26V

120

DC Ripple Rejection

14V ² VREG ² 24V

Section

Low Threshold (VRTL)VLIN Decreasing

4.05

4.25

4.45

High Threshold (VRTH)VLIN Increasing

4.20

4.45

4.70

Hysteresis

VRTH - VRTL

140

190

240

Active High

VLIN > VRTH, IRESET = -25µA

VLIN - 0.5

Active Low

VLIN = 1V, 10k½ pullup from

to VLIN

0.4

VLIN = 4V, IRESET = 1mA

0.7

Delay

Invalid WDI

6.25

8.78

11.0

Power On Delay

VLIN crossing VRTH

6.25

RESET

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