參數(shù)資料
型號(hào): ISL6562EVAL1
廠商: Intersil Corporation
英文描述: Microprocessor CORE Voltage Regulator Two-Phase Buck PWM Controller
中文描述: 微處理器核心電壓調(diào)節(jié)兩相降壓PWM控制器
文件頁(yè)數(shù): 2/5頁(yè)
文件大?。?/td> 45K
代理商: ISL6562EVAL1
2
Block Diagram
Simplified Power System Diagram
Functional Pin Description
VID3 (Pin 1), VID2 (Pin 2), VID1 (Pin 3), VID0 (Pin 4)
and VID25mV (Pin 5)
Voltage Identification inputs from microprocessor. These pins
respond to TTL and 3.3V logic signals. The ISL6562 decodes
VID bits to establish the output voltage. See Table 1.
COMP (Pin 6)
Output of the internal transconductance error amplifier.
Voltage at this terminal sets the output current level of the
Current Sense Comparator. Pulling this pin to ground
disables the oscillator and drives both PWM outputs low.
FB (Pin 7)
Inverting input of the internal transconductance error
amplifier.
CT (Pin 8)
A capacitor on this terminal sets the frequency of the internal
oscillator.
GND (Pin 9)
Bias and reference ground. All signals are referenced to this
pin.
PWRGD (Pin 10)
Open drain connection. A high voltage level at this pin with a
resistor connected to this terminal and VCC indicates that
CORE voltage is at the proper level,
CS+ (Pin 11) and CS- (Pin 14)
These inputs monitor the
supply current to the converter positive input voltage. CS+ is
connected directly to the decoupled supply voltage and
current sampling resistor. CS- is connected to the other end
of the current sampling resistor and the upper drains of the
series transistors.
PWM2 (Pin 12) and PWM1 (Pin 13)
PWM outputs connected to the gate driver ICs.
REF (Pin 15)
Three volt supply used to bias the output of the
transconductance amplifier.
V
CC
(Pin 16)
Bias supply. Connect this pin to a 12V supply.
D/A
UV
OVP
E/A
CMP
PWM1
PWM2
CS+
CS-
GND
REF
VCC
FB
VID3
VID2
VID1
VID0
VID25mV
COMP
OSCILLATOR
X1.24
PWRGD
3V REFERENCE
BIAS CIRCUITS
UVLO and
CT
CONTROL
LOGIC
+
-
+
-
+
-
X 0.82
+
-
SYNCHRONOUS
RECTIFIED BUCK
CHANNEL
ISL6562
MICROPROCESSOR
FB
VID
SYNCHRONOUS
RECTIFIED BUCK
CHANNEL
PWM 1
PWM 2
VID3
VID2
VID1
VID0
VID25mV
CT
PWRGD
REF
PWM1
PWM2
VCC
FB
CS-
COMP
CS+
GND
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
ISL6562
相關(guān)PDF資料
PDF描述
ISL6563 Two-Phase Multi-Phase Buck PWM Controller with Integrated MOSFET Drivers
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ISL6563CRZ Two-Phase Multi-Phase Buck PWM Controller with Integrated MOSFET Drivers
ISL6563IR Two-Phase Multi-Phase Buck PWM Controller with Integrated MOSFET Drivers
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