MAX8660A(2006) 데이터 시트보기 (PDF) - Maxim Integrated

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MAX8660A
(Rev.:2006)

High-Efficiency, Low-IQ, PMICs with Dynamic Voltage Management for Mobile Applications

Maxim Integrated 

High-Efficiency, Low-IQ, PMICs with Dynamic

Voltage Management for Mobile Applications

ELECTRICAL CHARACTERISTICS (continued)

(VIN = VIN5 = VIN67 = VIN8 = 3.6V, Figure 3, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)

PARAMETER

REG5 LDO

IN5 Input Voltage Range

V5 Output Voltage

V5 Output Current Limit

V5 Output-Voltage Noise

V5 Power-Supply Rejection

V5 Soft-Start Ramp Rate

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

VIN5

V5

IOUT5

REG5 default output voltage, 2.35V ≤ VIN5 ≤

6V, load = 0 to 200mA

REG5 serial programmed from 1.7V to 2.0,

2.35V ≤ VIN5 ≤ 6V, load = 0 to 200mA

10Hz to 100kHz, IOUT5 = 10mA

VIN5 = (V5 + 1V), IOUT5 = 10mA, f = 10kHz

Powering up to 1.8V (total ramp time is

225µs for all V5 output voltages)

2.35

1.764

-2

225

5

1.800

350

160

40

7

VIN

1.836

+2

500

9

V

V

%

mA

µVRMS

dB

mV/µs

EN5 to V5 Enable Time

V5 Dynamic-Change Ramp Rate

Internal Off-Discharge Resistance

REG6, REG7 LDOs

IN67 Input Voltage Range

tSEHVMH

VIN67

Figure 6

RRAMP = 56kΩ

290

µs

10

mV/µs

2

kΩ

2.35

VIN

V

REG6 and REG7 Output Voltage

(POR Default to 0V, Set by Serial

Input)

V6

Setting from 1.8V to 3.3V in 0.1V steps,

V7

load = 0 to 300mA

-3

+3

%

V6, V7 Dropout Voltage

3V mode, load = 300mA (Note 3)

55

100

mV

V6, V7 Output Current Limit

IOUT6

IOUT7

VIN67 = 3.6V

750

mA

V6, V7 Soft-Start Ramp Rate

Powering up to 3.3V, (total ramp time is

450µs for all V6/V7 output voltages)

5

7

9

mV/µs

Internal Off-Discharge Resistance

REG8 ALWAYS-ON LDO

V8 Output Voltage

Load = 0 to 15mA

V8

Load = 30mA

V8 Dropout Voltage

Load = 15mA (Note 3)

V8 Output Current Limit

IOUT8 V8 = 2.5V

Internal Off-Discharge Resistance

LOW-BATTERY DETECTOR (LBF, LBR, LBO)

Low-Battery Falling Threshold

Low-Battery Rising Threshold

LBO, RSO Output-High Leakage

Current

VLBFTH

VLBRTH

VIN = 6V, TA = +25°C

LBO Output Low Level

Minimum VIN for LBO Assertion

2.6V ≤ VIN ≤ 6V, sinking 3mA

VIN = 1V, sinking 100µA

LBO is forced low when the device is in

UVLO

350

Ω

3.168 3.300 3.432

V

2.800 3.2 3.432

180

mV

30

70

135

mA

1.5

kΩ

1.182 1.200 1.218

V

1.231 1.250 1.268

V

0.2

µA

0.2

V

0.4

1

V

8 _______________________________________________________________________________________

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