ISL9111EH30Z-T7A datasheet(6/15 Pages) INTERSIL

Part #	ISL9111EH30Z-T7A

Description	Low Input Voltage, High Efficiency Synchronous Boost Converter with 1A Switch

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Manufacturer	INTERSIL [Intersil Corporation]

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6 / 15 page

ISL9111, ISL9111A

6

FN7602.3

December 7, 2011

Absolute Maximum Ratings

Thermal Information

VIN, EN, FAULT, VOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V

FB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6.5V

SW Voltage

DC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 6.5V

Pulse < 10ns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 8.0V

ESD Ratings

Human Body Model (Tested per JESD22-A114F) . . . . . . . . . . . . . . . . 3kV

Machine Model (Tested per JESD22-A115-A) . . . . . . . . . . . . . . . . . . 250V

*Other ESD Spec should meet Level 1 requirement

Latch Up (Tested per JESD78; Class 2, Level A) . . . . . . . . . . . . . . . . 100mA

Thermal Resistance (Typical)

θJA (°C/W)

6 Ld SOT-23 (Note 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . .

146

Junction Temperature Range . . . . . . . . . . . . . . . . . . . . . . .-20°C to +125°C

Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . . -20°C to +85°C

Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C

Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below

http://www.intersil.com/pbfree/Pb-FreeReflow.asp

Recommended Operating Conditions

VIN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.8V to VOUT - 200mV

Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . -20°C to +85°C

Maximum DC Current from Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . 750mA

CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product

reliability and result in failures not covered by warranty.

NOTE:

5.

θJA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.

Electrical Specifications

VIN = 1.2V, VOUT = 3.3V, TA = +25°C (see “Typical Application Circuits” on page 7). Boldface limits apply

over the operating temperature range, -20°C to +85°C.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

(Note 6)

TYP

MAX

(Note 6)

UNITS

Minimum Start-up Voltage (ISL9111)

VMIN

VEN = VIN, RLOAD = 50Ω

0.80

0.90

V

Minimum Operating Voltage

after Start-up (ISL9111)

VUVLO

VEN = VIN, RLOAD = 50Ω

0.68

0.70

0.76

V

Minimum Start-up Voltage (ISL9111A)

VMIN

VEN = VIN, No Load

0.75

V

Minimum Operating Voltage

after Start-up (ISL9111A)

VOPT

VEN = VIN, No Load

0.50

V

Output Voltage Range

(ISL9111-ADJ/ISL9111A-ADJ)

VOUT

VIN < VOUT

2.5

5.25

V

Output Voltage Accuracy

(ISL9111: 3.0/3.3/5.0V,

ISL9111A: 3.0/3.3/5.0V)

VOUT

VIN = 1.2V, ILOAD = 50mA

-100

+100

mV

Feedback Voltage

(ISL9111-ADJ/ISL9111A-ADJ)

VFB

VOUT = 5V

784

800

816

mV

Feedback Pin Input Current

100

nA

Quiescent Current from VOUT

IQ1

No Load (Note 7)

20

45

μA

Shutdown Current from VIN

ISD

VEN = 0V, VIN = 1.2V, VO = 0

0.5

2

μA

Leakage Current at SW Pin

VEN = 0V, VIN = 5V, VO = 0, TA = +25°C

1

μA

N-Channel MOSFET ON-Resistance

VOUT = 5V

0.2

Ω

P-Channel MOSFET ON-Resistance

VOUT = 5V

0.35

Ω

N-Channel MOSFET Peak Current Limit

IPK

0.8

1.0

1.2

A

Maximum Duty Cycle

DMAX

84

87.5

%

PWM Switching Frequency

FOSC

1.0

1.2

1.4

MHz

Soft-Start-Up Time

1ms

EN Logic High

0.8*VIN

V

EN Logic Low

0.2*VIN

V

FAULT Pin Leakage Current when High

VFLT = VOUT

100

nA

FAULT Pin Sink Current when Low

VFLT = 0.5V

10

mA

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