參數(shù)資料
型號(hào): ISL6150CBZ
廠商: INTERSIL CORP
元件分類: 電源管理
英文描述: Octal D-Type Transparent Latches With 3-State Outputs 20-SOIC -40 to 85
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: LEAD-FREE, MS-012-AA, PLASTIC, SOIC-8
文件頁數(shù): 6/18頁
文件大?。?/td> 511K
代理商: ISL6150CBZ
6
ISL6140/ISL6150 Block Diagram
Typical Values for a representative system; which
assumes:
36V to 72V supply range; 48 nominal; UV = 37V; OV = 71V
1A of typical current draw; 2.5 Amp Over-Current
100
μ
F of load capacitance (CL); equivalent RL of 48
(R = V/I = 48V/1A)
R1: 0.02
(1%)
R2: 10
(5%)
R3: 18k
(5%)
R4: 562k
(1%)
R5: 9.09k
(1%)
R6: 10k
(1%)
C1: 150nF (25V)
C2: 3.3nF (100V)
Q1: IRF530 (100V, 17A, 0.11
)
Applications: Quick Guide to Choosing
Component Values
(See Block Diagram for reference)
This section will describe the minimum components needed
for a typical application, and will show how to select
component values. (Note that “typical” values may only be
good for this application; the user may have to select some
component values to match the system). Each block will
then have more detailed explanation of how it works, and
alternatives.
R4, R5, R6 -
together set the Under-Voltage (UV) and Over-
Voltage (OV) trip points. When the power supply ramps up
and down, these trip points (and their 20mV nominal
hysteresis) will determine when the gate is allowed to turn on
and off (the UV and OV do not affect the PWRGD output).
The input power supply is divided down such that when each
pin is equal to the trip point (nominal is 1.223V), the
comparator will switch.
V
UV
= 1.223 (R4 + R5 + R6)/(R5 + R6)
V
OV
= 1.223 (R4 + R5 + R6)/(R6)
The values of R4 = 562K, R5 = 9.09K, and R6 = 10K will
give trip points of UV = 37V and OV = 71V.
R4
C1
R5
R6
Q1
R2
R1
CL
RL
GND
GND
-48V IN
-48V OUT
LOAD
+
-
+
-
+
-
+
-
+
+
V
(INTERNAL
VOLTAGE) AND
REFERENCE
GENERATOR
LOGIC AND
GATE DRIVE
V
EE
V
EE
V
EE
V
EE
V
PG
(1.7V)
V
CB
(50mV)
V
UVL
, V
OVH
(1.223V)
V
CC
V
PG
(1.7V)
V
UVL
, V
OVH
V
CB
(50mV)
8 V
DD
1 PWRGD (6140)
7 DRAIN
6 GATE
5 SENSE
4 V
EE
3 UV
2 OV
1 PWRGD (6150)
C2
R3
+
PWRGD/PWRGD
OUTPUT DRIVE
ISL6140, ISL6150
相關(guān)PDF資料
PDF描述
ISL6140IBZ Negative Voltage Hot Plug Controller
ISL6140IB-T Negative Voltage Hot Plug Controller
ISL6150IB-T Negative Voltage Hot Plug Controller
ISL6140CBZ-T Negative Voltage Hot Plug Controller
ISL6150CBZ-T Negative Voltage Hot Plug Controller
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