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SGM63600

更新时间： 2024-03-03 10:09:20
品牌 Logo 应用领域
圣邦微 - SGMICRO /
页数 文件大小 规格书
28页 1748K
描述
Up to 60V Input, Current Mode Synchronous Buck Controller

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SGM63600 数据手册

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SGM63600  
Up to 60V Input, Current Mode  
Synchronous Buck Controller  
GENERAL DESCRIPTION  
FEATURES  
The SGM63600 is a 4.3V to 60V current mode controller  
for synchronous Buck converters. It is capable to  
efficiently drive two N-MOSFETs over the whole voltage  
range.  
● Integrated Dual N-MOSFET Drivers  
● Wide 4.3V to 60V Input Voltage Range  
● 100kHz to 1MHz Adjustable Frequency Range  
● Up to 99% Duty Cycle in Low Dropout Mode  
● Adjustable Cycle-by-Cycle Current Limit  
● Adjustable Soft-Start with Pre-biased Capability  
● Thermal Shutdown  
● Output OVP and OCP Protections  
● Adjustable UVLO Protection through EN Input  
● Hiccup Mode Current Limit  
This device uses accurate cycle-by-cycle current limiting  
in PWM operation. Power-save mode (PSM) is used at  
light load to keep high efficiency. It can also enter  
non-synchronous PWM mode if the PSM is enabled.  
Switching frequency can be set by an external resistor  
(RFREQ), or an external clock (SYNC input) for low noise  
applications. The protection functions include UVLO,  
thermal shutdown, accurate output over-voltage  
protection (OVP) and over-current protection (OCP).  
● Frequency Foldback Short Circuit Protection  
● Synchronous Output (SYNCO) with 180º Phase  
Shift  
● Power Good (PG) Indicator  
● External Power Supply (VCC2) for Internal LDO  
● PSM Capability for High Light-Load Efficiency  
● Programmable PSM and CCM Operations  
● Available in Green TQFN-3×4-20L and  
TSSOP-20 (Exposed Pad) Packages  
The SGM63600 is available in Green TQFN-3×4-20L  
and TSSOP-20 (Exposed Pad) packages. It can  
operate in the -40°C to +125°C junction temperature  
range.  
TYPICAL APPLICATION  
APPLICATIONS  
Industrial Power Supplies  
VIN  
4.3V to 60V  
CIN  
General Purpose Wide VIN Power Supplies  
USB Dedicated Charging Port  
PD Power Supply  
19  
IN  
17  
TG  
VCC1  
CBST  
8
2
18  
16  
FREQ  
VCC1  
BST  
SW  
L
RSENSE  
VOUT  
RFREQ  
CVCC1  
SGM63600  
15  
13  
1
BG  
VCC2  
RFB1  
OFF ON  
20  
10  
7
EN/SYNC  
ILIM  
SENSE+  
COUT  
12  
6
SENSE-  
FB  
CCM/PSM  
PG  
9
11  
SYNCO  
RFB2  
SGND PGND COMP SS  
3
14  
5
4
CCOMP  
CSS  
RCOMP  
Figure 1. Typical Application Circuit  
SG Micro Corp  
NOVEMBER 2023–REV. A.2  
www.sg-micro.com  
1234567...28

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