MAX8952EWET 데이터 시트보기 (PDF) - Maxim Integrated

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MAX8952EWET

2.5A Step-Down Regulator with Remote Sense in 2mm x 2mm WLP

Maxim Integrated 

MAX8952

2.5A Step-Down Regulator

with Remote Sense in 2mm x 2mm WLP

ELECTRICAL CHARACTERISTICS (continued)

(VIN1 = VIN2 = 3.6V, VAGND = VPGND = 0V, VDD = 1.8V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA =

+25°C.) (Note 2)

PARAMETER

Minimum Duty Cycle

Maximum Duty Cycle

Minimum On- and Off-Time

OUT Discharge Resistance

SNS+, SNS- Input Impedance

Time Delay from PWM

to Power-Save Mode

Time Delay from Power-Save

Mode to PWM

CONDITIONS

Forced-PWM mode (FPWM_EN = 1),

minimum duty cycle = 0%

During shutdown or UVLO, from SNS+ to PGND

VOUT = 0.77V (OUT_MODEx [5:0] = 0b000000)

Time required for error amplifier to stabilize before

switching mode

Time required for error amplifier to stabilize before

switching mode

MIN TYP MAX UNITS

16

%

60

%

30

40

50

ns

650

Ω

400

600

850

kΩ

70

µs

140

µs

SYNCHRONIZATION (SYNC)

SYNC[1:0] = 00

18.9 26.0 38.0

SYNC Capture Range

SYNC[1:0] = 1X

14.2 19.2 28.5 MHz

SYNC[1:0] = 01

9.5

13.0 19.0

SYNC Pulse Width

13

ns

PROTECTION CIRCUITS

Thermal-Shutdown Hysteresis

20

°C

Thermal Shutdown

+160

°C

Note 2: All devices are 100% production tested at TA = +25°C. Limits over the operating temperature range are guaranteed by

design.

Maxim Integrated

5

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