IMP525 datasheet(2/8 Pages) IMP

2 / 8 page

IMP525

Parameter

Symbol Conditions

Min

Typ

Max

Units

ON-resistance of MOS Switch

RDS(ON)

I = 50mA

Ω

Operating Voltage

0.9

2.5

Output Voltage at CS

VCS

VDD = 1.5V, See Figure 1, Table 1

Output Voltage at CS

VCS

VDD = 0.9V, See Figure 1, Table 2

Output Voltage Peak-to-Peak

VA-VB

VDD = 1.5V, See Figure 1

104

112

124

VP-P

Quiescent VDD Supply Current, Disabled

IQDIS

Disable = HIGH

(Disable pin available on die only)

Quiescent VDD Supply Current, Disabled

IQDIS

RSW-OSC = GND

1.0

2.0

µA

VDD = 1.5V

Input Current at VDD Pin

IDD

VDD = 0.9V to 1.5V

1.5

Input Current: IDD Plus Inductor Current

IIN

VDD = 1.5V

VA-B Output Drive Frequency

fEL

VDD = 1.5V, See Figure 1, Table 1

500

Boost Converter Switching Frequency

fSW

VDD = 1.5V, See Figure 1, Table 1

kHz

Switching Duty Cycle

DSW

VDD = 1.5V, See Figure 1

87.5

Disable Input LOW Voltage

VDISL

GND

0.2

(Disable pin available on die only)

Disable Input HIGH Voltage

VDISH

VDD -0.5V

VDD

(Disable pin available on die only)

Ordering Information

Pin Configuration

RSW-OSC

VDD

GND

REL-OSC

525_02.eps

IMP525

SO/MicroSO

Part Number

Input Voltage

Regulated Output Voltage

Temperature Range

Pins-Package

IMP525EMA

0.9V to 2.5V

YES

– 40

°C to +85°C

8-MicroSO

IMP525ESA

0.9V to 2.5V

YES

– 40

°C to +85°C

8-SO

IMP525/D

0.9V to 2.5V

YES

°C

Dice

Absolute Maximum Ratings

Supply Voltage, VDD, VRSW-OSC and VREL-OSC . . – 0.5V to +3.5V

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

Power Dissipation (SO package) . . . . . . . . . . . . 400mW

Power Dissipation (MicroSO package) . . . . . . . 300mW

Unless otherwise noted, VDD = 1.5V, RSW = 1MΩ, REL = 1.0MΩ, and TA = 25°C.

Note: All voltages are referenced to GND.

These are stress ratings only and functional operation is not implied.

Exposure to absolute maximum ratings for prolonged time periods may

affect device reliability.

Electrical Characteristics

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