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LM2657 데이터시트(PDF) 8 Page - Texas Instruments

부품명 LM2657
상세설명  LM2657 Dual Synchronous Buck Regulator Controller
Download  36 Pages
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI - Texas Instruments

LM2657 데이터시트(HTML) 8 Page - Texas Instruments

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COMP1
Vref1
0.35V
PWM
LOGI
C
E.A.
SKIP
CMP
PWM
CMP
85%Ton
BOOT1
HDRV1
SW1
V5
LDRV1
PGND1
ILIM1
CURRENT
LIMIT CMP
ZERO
CROSS CMP
EN
IN
IN
FB1
SS1
CL1
BOOT2
HDRV2
SW2
COMP2
FB2
Controller2
+
Supervisory 2
Controller 1
EN
SENSE1
SENSE2
ILIM2
V5
LDRV2
PGND2
1.8k
1.13 x Vref1
0.87 x Vref1
PGOOD1
SENSE1
COMP1
6
2
PA
BIAS/
REFERENCES
RAMP/
TIMING
CONTROL
LOGIC
4.2V
VDD UV
EN
FREQ
FPWM
Supervisory 1
SS2
VIN
SGND
PGOOD
HS_ON
LS_ON
CL1
V5
25
26
27
28
21
23
24
18
17
16
15
20
19
6
22
10
8
9
7
5
4
2
3
1
14
12
13
11
115 PA
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-
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VDD
VDD
VDD
VDD
VDD
VDD
11 PA
OVP
LM2657
SNVS342B – JANUARY 2005 – REVISED MARCH 2013
www.ti.com
BLOCK DIAGRAM
8
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Copyright © 2005–2013, Texas Instruments Incorporated
Product Folder Links: LM2657


유사한 부품 번호 - LM2657_15

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유사한 설명 - LM2657_15

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   Dual Synchronous Buck Controller
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