参数资料
型号: MAX8792EVKIT+
厂商: Maxim Integrated Products
文件页数: 11/28页
文件大小: 0K
描述: KIT EVAL FOR MAX8792
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
主要目的: DC/DC,步降
输出及类型: 1,非隔离
输出电压: 1.5V
电流 - 输出: 10A
输入电压: 7 ~ 20 V
稳压器拓扑结构: 降压
频率 - 开关: 300kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: MAX8792
Single Quick-PWM Step-Down
Controller with Dynamic REFIN
Pin Description (continued)
PIN
14
EP
(15)
NAME
PGOOD
GND
FUNCTION
Open-Drain Power-Good Output. PGOOD is low when the output voltage is more than 200mV (typ)
below or 300mV (typ) above the target voltage (V REFIN ), during soft-start and soft-shutdown. After the
soft-start circuit has terminated, PGOOD becomes high impedance if the output is in regulation.
PGOOD is blanked—forced high-impedance state—when a dynamic REFIN transition is detected.
Ground/Exposed Pad. Internally connected to the controller’s ground plane and substrate.
Connect directly to ground.
5V BIAS
SUPPLY
AGND
C1
1 μ F
C2
1 μ F
R10
PWR
2
13
V DD
V CC
TON
BST
DH
LX
7
6
5
4
R TON
200k Ω
C BST
0.1 μ F
L1
C IN
PWR
INPUT
7V TO 24V
OUTPUT
1.05V/1.50V
10A (MAX)
ON OFF
GND/OPEN/REF/V DD
100k Ω
C3
1000pF
14
1
12
11
PGOOD
EN MAX8792
SKIP
REF
DL
FB
3
8
PWR
NTC
100k Ω
B = 4250
C OUT
PWR
AGND
R1
AGND
R3
97.6k Ω
49.9k Ω
R2
54.9k Ω
10
REFIN
GND
ILIM
(EP)
9
R4
68k Ω
R5
82k Ω
REF
LO
HI
AGND
PWR
AGND
AGND
SEE TABLE 1 FOR COMPONENT SELECTION.
Figure 1. MAX8792 Standard Application Circuit
Standard Application Circuits
The MAX8792 standard application circuit (Figure 1) gen-
erates a 1.5V or 1.05V output rail for general-purpose use
in a notebook computer. See Table 1 for component
selections. Table 2 lists the component manufacturers.
______________________________________________________________________________________
11
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