Datasheet > ISL78227

ISL78227

更新时间： 2023-12-20 18:44:21

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
45页	4983K
描述
2-Phase Boost Controller with Integrated Drivers

阅读下载

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

ISL78227 数据手册

Block Diagram

VIN

HIC/LATCH

PGOOD

VIN/48

1.21V

VIN_OV

÷ 48

1.21V

VIN_OV

VOUT_OV

5.2V

LDO

PVCC

OC_AVG

1.2*VREF_1.6V

OC2_PEAK_PH1

OC2_PEAK_PH2

VOUT_OV

VOUT_UV

FAULT LOGIC

PLLCOMP_SHORT

PLL_LOCK

POR

PLL

OTP

VCC

V_FB

0.8*VREF_1.6V

HICCUP

/LATCHOFF

DELAY

FSYNC

PLLCOMP

CLKOUT

VCO

PLL

FAULT

CLOCK

EN_HICCP

EN_LATCHOFF

HICCUP

RETRY

DELAY

INITIALIZATION

DELAY

LATCH-OFF

LOGIC

SLOPE

COMPENSATION

SLOPE

5µA

EN_SS

SOFT-START

DELAYAND

LOGIC

SS_DONE

3.47V

112µA

ISEN1P

ISEN1N

0.3V

VREF_TRK

CSA

ATRAK/

DTRK

I_SEN1

V_RAMP

ATRK/DTRK

TRACK

OC2_PEAK_PH1

112µA

PWM

COMPARATOR

105µA

80µA

VREF_2.5V

OC1_PH1

VREF_TRK

VREF_1.6V

V_FB

I_SEN1

Filter

OC_NEG_PH1

Gm1

BOOT1

UG1

-48µA

2µA

I_SEN1

ZCD_PH1

PH1

PVCC

PGND

PROGRAMMABLE

ADAPTIVE DEAD

TIME

FAULT

COMP

PWM CONTROL

CLOCK

LG1

D_CC

VREF_CC(1.6V)

Gm2

PGND

DUPLICATE FOR EACH PHASE

CMP_PD

RDT

RBLANK

1.1V

DROP_PHASE2

PHASE_DROP

EN_DE

EN_PHASE_DROP

DE MODE

AND PHASE DROP MODE

SELECTION

CMP_OCAVG

I_SEN1

(PHASE1)

÷ 8

PHASE DROP

CONTROL

OC_AVG

DE/PHDRP

V_IMON

IOUT

17µA

IMON





÷ 8

I_SEN2

(PHASE2)

SGND

(BOTTOM PAD)

FIGURE 3. BLOCK DIAGRAM

1...4 5 678 9 10...45

下载PDF

与ISL78227相关器件

型号	品牌	描述	获取价格	数据表
ISL78227ARZ	RENESAS	2-Phase Boost Controller with Integrated Drivers; WFQFN32; Temp Range: -40° to 125	获取价格
ISL78227ARZ	INTERSIL	2-Phase Boost Controller with Integrated Drivers	获取价格
ISL78227ARZ-T	RENESAS	2-Phase Boost Controller with Integrated Drivers; WFQFN32; Temp Range: -40° to 125	获取价格
ISL78227EV1Z	INTERSIL	2-Phase Boost Controller with Integrated Drivers	获取价格
ISL78228	INTERSIL	Dual 800mA Low Quiescent Current 2.25MHz High Efficiency Synchronous Buck Regulator	获取价格
ISL78228	RENESAS	Dual 800mA Low Quiescent Current 2.25MHz High Efficiency Synchronous Buck Regulator	获取价格