CS5111 데이터 시트보기 (PDF) - Cherry semiconductor

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CS5111

14.1A switching regulator with 5V,100mA linear regulator with watchdog,reset and enable

Cherry semiconductor 

Absolute Maximum Ratings

Logic Inputs/Outputs ( ENABLE , SELECT, WDI, RESET ) ................................................................................-0.3V to VLIN

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

VIN, VREG:

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

Peak Transient Voltage (40V Load Dump @ 14V VIN)....................................................................................-0.3V to 54V

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

RESET 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

Electrical Characteristics: 5V ≤ VIN ≤ 26V and -40°C ≤ TJ ≤ 150°C, COUT = 100µF (ESR≤8Ω), CDelay = 0.1µF, RBIAS = 64.9kΩ,

COSC = 390 pF, CCOMP = 0.1µF unless otherwise specified.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

s General

IIN Off Current

IIN On Current

IREG Current

Thermal Limit

6.6V ≤ VIN ≤ 26V, ISW = 0A

6.6V ≤ VIN ≤ 26V, ISW = 1.4A

ILIN = 100mA, 6.6V ≤ VREG ≤ 26V

Guaranteed by design

30

160

2.0

mA

70

mA

6

mA

210

°C

s 5V Regulator Section

VLIN Output Voltage

Dropout Voltage

Overvoltage Shutdown

Line Regulation

Load Regulation

Current Limit

DC Ripple Rejection

s RESET Section

Low Threshold (VRTL)

High Threshold (VRTH)

Hysteresis

Active High

Active Low

Delay

Power On Delay

6.6V ≤ VREG ≤ 26V, 1mA ≤ ILIN ≤ 100mA

4.9

5.0

(VREG - VLIN) @ ILIN = 100mA

1.2

30

34

6.6V ≤ VREG ≤ 26V, ILIN = 5mA

VREG = 19V, 1mA ≤ ILIN ≤ 100mA

6.6V ≤ VREG ≤ 26V

14V ≤ VREG ≤ 24V

5

5

120

60

75

VLIN Decreasing

VLIN Increasing

4.05

4.25

4.20

4.45

VRTH - VRTL

140

190

VLIN > VRTH, IRESET = -25µA

VLIN - 0.5

VLIN = 1V, 10kΩ pullup from RESET to VLIN

VLIN = 4V, IRESET = 1mA

Invalid WDI

6.25

8.78

VLIN crossing VRTH

6.25

5.1

V

1.5

V

38

V

25

mV

25

mV

mA

dB

4.45

V

4.70

V

240

mV

V

0.4

V

0.7

V

11.0

ms

ms

2

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