MAX1793EUE-33 datasheet(4/11 Pages) MAXIM

Part #	MAX1793EUE-33

Description	Low-Dropout, Low IQ, 1A Linear Regulator

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Manufacturer	MAXIM [Maxim Integrated Products]

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1

10

100

1000

OUTPUT VOLTAGE vs. LOAD CURRENT

LOAD CURRENT (mA)

3.305

3.303

3.293

3.295

3.299

3.297

3.301

0

1.0

0.5

2.0

1.5

3.0

2.5

3.5

02

3

14

5

OUTPUT VOLTAGE vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

IOUT = 0

IOUT = 1A

3.270

3.285

3.280

3.275

3.295

3.290

3.315

3.310

3.305

3.300

3.320

-40

-20

0

20406080

OUTPUT VOLTAGE vs. TEMPERATURE

TEMPERATURE (

°C)

IOUT = 250mA

0

50

150

100

200

250

02

3

14

5

GROUND CURRENT vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

IOUT = 0

IOUT = 1A

1

10

100

1000

GROUND CURRENT vs. LOAD CURRENT

LOAD CURRENT (mA)

250

225

200

175

150

0

75

50

25

125

100

110

140

130

120

160

150

200

190

180

170

210

-40

-20

0

20

TEMPERATURE (

°C)

40

60

80

GROUND CURRENT vs. TEMPERATURE

IOUT = 250mA

IOUT = 0

Typical Operating Characteristics

(Circuit of Figure 2, VIN = +5V, V SHDN = VIN,VOUT = +3.3V, TA = +25°C, unless otherwise noted.)

Low-Dropout, Low IQ, 1A Linear Regulator

4

_______________________________________________________________________________________

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Operating Voltage Range for

RST Valid

ISINK = 10µA

1.0

5.5

V

RST Output High Leakage

V RST = +5.5V

1µA

RST Trip Level Referred to

Nominal VOUT

Rising edge

90

96

% VOUT

RST Release Delay

Rising edge

1.5

8.0

ms

ELECTRICAL CHARACTERISTICS (continued)

(VIN = VOUT(NOM) + 0.5V or VIN = 2.5V (whichever is greater), SHDN = IN, TA = -40°C to +85°C, unless otherwise noted.) (Note 2)

Note 1: Dropout voltage is defined as VIN - VOUT, when VOUT is 100mV below the value of VOUT measured when VIN = VOUT(NOM) +

0.5V. Since the minimum input voltage is 2.5V, this specification in only meaningful when VOUT(NOM) ≥2.5V. For VOUT(NOM)

between 2.5V and 3.3V, use the following equations: Typical Dropout = 210mV + (3.3V - VOUT(NOM) x 75mV/V; Guaranteed

Maximum Dropout = 350mV + (3.3V - VOUT(NOM) x 125mV/V. For VOUT(NOM) > 3.3V: Typical Dropout = 210mV;

Guaranteed Maximum Dropout = 350mV.

Note 2: Specifications to TA = -40°C are guaranteed by design and not production tested.

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