CAT37

3

Doc No. 5005, Rev. R

ABSOLUTE MAXIMUM RATINGS

SW Voltage .......................................................... 20 V

Junction Temperature ....................................... 125

°C

ELECTRICAL SPECIFICATIONS

Storage Temperature .......................... -65

°C to 160°C

ESD Rating - Human Body Model .................... 2000V

Lead Soldering Temperature ............................ 300

°C

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Input Voltage Range

2.5

7

V

Quiescent Current

0.5

0.7

mA

Shutdown Current

0.05

1

µA

FB Pin Voltage

4 LEDs at 15 mA

85

95

105

mV

FB Pin Leakage Current

1

2

µA

Shutdown High Threshold

0.85

V

Shutdown Low Threshold

0.25

V

Shutdown Pin Current

1

nA

Boost Converter Frequency

0.8

1.2

1.6

MHz

DC

Maximum Switch

90

95

%

Duty Cycle

Switch Current Limit

400

550

780

mA

Switch Saturation Voltage

150

200

mV

Switch Leakage Current

0.01

5

µA

Efficiency

Figure 1 with

83

%

specified components

RECOMMENDED OPERATING CONDITIONS

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° C

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µ

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