–2–

REV. A

ADM8828/ADM8829–SPECIFICATIONS

wise noted)

Parameter

Min

Typ

Max

Units

Test Conditions/Comments

Input Voltage, IN

1.5

5.5

V

Supply Current

600

1000

µA

Unloaded

Output Current

25

mA

Output Resistance

18

28

Ω

Output Ripple

25

mV p-p

130

mV p-p

Charge-Pump Frequency

50

120

190

kHz

65

kHz

Power Efficiency

90

%

87

%

Voltage Conversion Efficiency

99.5

99.96

%

No Load

98

%

91

%

0.02

2

µA

SHDN = IN

2.0

V

SHDN High = Disabled

0.8

V

SHDN Low = Enabled

Shutdown Exit Time

175

µsI

NOTES

Ω) electrolytic capacitors. High ESR will degrade performance.

Specifications subject to change without notice.

ABSOLUTE MAXIMUM RATINGS*

Input Voltage (IN to GND) . . . . . . . . . . . . . . . –0.3 V to +6 V

OUT to GND . . . . . . . . . . . . . . . . . . . . . . . . –6.0 V to +0.3 V

OUT, IN Output Current (Continuous) . . . . . . . . . . . . 50 mA

Output Short Circuit Duration to GND . . . . . . . . . . . 10 secs

Power Dissipation, RT-6 . . . . . . . . . . . . . . . . . . . . . . 570 mW

(Derate 8.3 mW/

°C above +70°C)

θ

. . . . . . . . . . . . . . . . . . . . 120

°C/W

Operating Temperature Range

Industrial (A Version) . . . . . . . . . . . . . . . . – 40

°C to +85°C

Storage Temperature Range . . . . . . . . . . . –65

°C to +150°C

Lead Temperature Range (Soldering 10 sec) . . . . . . . . +300

°C

Vapor Phase (70 sec) . . . . . . . . . . . . . . . . . . . . . . . . +215

°C

Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . +220

°C

ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >3500 V

*This is a stress rating only and functional operation of the device at these or any

other conditions above those indicated in the operation section of this specification

is not implied. Exposure to absolute maximum rating conditions for extended

periods may affect device reliability.

ORDERING GUIDE

Temperature

Branding

Package

Model

Range

Information

Option*

ADM8828ART

–40

°C to +85°C

MM0

RT-6

ADM8829ART

–40

°C to +85°C

MN0

RT-6

*RT-6 = 6-lead SOT-23.

PIN CONFIGURATIONS

TOP VIEW

(Not to Scale)

OUT

IN

CAP–

CAP+

SHDN

GND

ADM8828

1

2

3

6

5

4

TOP VIEW

(Not to Scale)

OUT

IN

CAP+

NC

GND

ADM8829

1

2

3

6

5

4

CAP–

NC = NO CONNECT

PIN FUNCTION DESCRIPTIONS

Mnemonic

Function

CAP+

Positive Charge-Pump Capacitor Terminal.

GND

Power Supply Ground.

CAP–

Negative Charge-Pump Capacitor Terminal.

OUT

Output, Negative Voltage.

SHDN

Shutdown Control Input. This input, when

high, is used to disable the charge pump

thereby reducing the power consumption.

IN

Positive Power Supply Input.