MAX8661ETL データシートの表示（PDF） - Maxim Integrated

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MAX8661ETL

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

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

EN34 to V4 Enable Time

MAX8660/MAX8660A/MAX8661, powering

tPHLVTH4 up to 1.4V, Figure 6, RRAMP = 56kΩ

400

µs

MAX8660B, powering up to 1.15V, Figure 6,

RRAMP = 56kΩ

400

Internal Off-Discharge Resistance

550

Ω

Minimum Duty Cycle

Forced-PWM mode only, minimum duty

cycle in skip mode is 0%

16.7

%

Maximum Duty Cycle

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

100

%

VIN5

V5

IOUT5

REG5 default output voltage, 2.35V ≤ VIN5 ≤

6V, load = 0 to 200mA

REG5 serial programmed from 1.7V to 2.0V,

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

tSEHVMH

Figure 6

RRAMP = 56kΩ

290

µs

10

mV/µs

2

kΩ

REG6, REG7 LDOs

IN67 Input Voltage Range

VIN67

2.35

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

VIN

V

+3

%

V6, V7 Dropout Voltage

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

55

100

mV

V6, V7 Output Current Limit

V6, V7 Soft-Start Ramp Rate

IOUT6

IOUT7

VIN67 = 3.6V

Powering up to 3.3V (total ramp time is

450µs for all V6/V7 output voltages)

750

mA

5

7

9

mV/µs

Internal Off-Discharge Resistance

REG8 ALWAYS-ON LDO

350

Ω

V8 Output Voltage

Load = 0 to 15mA

V8

Load = 30mA

3.168 3.300 3.432

V

2.800 3.2 3.432

V8 Dropout Voltage

Load = 15mA (Note 3)

180

mV

V8 Output Current Limit

IOUT8 V8 = 2.5V

Internal Off-Discharge Resistance

LOW-BATTERY DETECTOR (LBF, LBR, LBO)

30

70

135

mA

1.5

kΩ

Low-Battery Falling Threshold

Low-Battery Rising Threshold

VLBFTH

VLBRTH

1.182 1.200 1.218

V

1.231 1.250 1.268

V

8

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