ISL8510 데이터 시트보기 (PDF) - Renesas Electronics

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ISL8510

Dual Output Controller with 1A Standard Buck PWM and LDO

Renesas Electronics 

ISL8510

Typical Performance Curves Circuit of Figure 2. VIN = 12V, VIN_LDO = VOUT = 3.3V, IOUT = 1A, VLDO = 1.2V, ILDO = 450mA,

TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C. (Continued)

PHASE 10V/DIV

VOUT 1V/DIV

IL 1A/DIV

VOUT 2V/DIV

IL 2A/DIV

PG_PWM

FIGURE 26. OUTPUT SHORT CIRCUIT, 5µs/DIV

PG_PWM 5V/DIV

FIGURE 27. OUTPUT SHORT CIRCUIT RECOVERY, 200µs/DIV

LDO 500mV/DIV

ILDO 1A/DIV

PG_LDO 5V/DIV

FIGURE 28. LDO SHORT CIRCUIT AND RECOVERY, 200µs/DIV

FN6516 Rev 2.00

December 15, 2008

Page 13 of 21

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