參數(shù)資料
型號： ISL6420AIRZ-TK
廠商： INTERSIL CORP
元件分類： 穩(wěn)壓器
英文描述： Advanced Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
中文描述： 0.05 A SWITCHING CONTROLLER, 1400 kHz SWITCHING FREQ-MAX, PQCC20
封裝： 4 X 4 MM, GREEN, PLASTIC, MO-220, QFN-20
文件頁數(shù)： 7/20頁
文件大?。?/td> 560K
代理商： ISL6420AIRZ-TK
7
FN9169.1
October 13, 2005
REFERENCE AND SOFT-START/ENABLE
Internal Reference Voltage
V
REF
-
0.600
-
V
Reference Voltage Accuracy
T
A
= -40°C to 85°C, VIN = 5.6V to 28V
-1.0
-
+1.0
%
Soft-Start Current
I
SS
-
10
-
μ
A
Soft-Start Threshold
V
SOFT
1.0
-
-
V
Enable Low (Converter disabled)
-
-
1.0
V
PWM CONTROLLER GATE DRIVERS
Gate Drive Peak Current
-
0.7
-
A
Rise Time
Co = 1000pF
-
20
-
ns
Fall Time
Co = 1000pF
-
20
-
ns
Dead Time Between Drivers
-
20
-
ns
ERROR AMPLIFIER
DC Gain (Note 7)
-
88
-
dB
Gain-Bandwidth Product (Note 7)
GBW
-
15
-
MHz
Slew Rate (Note 7)
SR
-
6
-
V/
μ
s
OVERCURRENT PROTECTION
OCSET Current Source
I
OCSET
V
OCSET
= 4.5V
80
100
120
μ
A
Dynamic Current Limit ON time
T
OCON
Frequency = 300kHz
-
20
-
ms
Dynamic Current Limit OFF time
T
OCOFF
Frequency = 300kHz
-
128
-
ms
POWER GOOD AND CONTROL FUNCTIONS
Power-Good Lower Threshold
V
PG-
Fraction of the set point; ~3
μ
s noise filter
-14
-10
-8
%
Power-Good Higher Threshold
V
PG+
Fraction of the set point; ~3
μ
s noise filter
9
-
16
%
PGOOD Leakage Current
I
PGLKG
V
PULLUP
= 5.5V
-
-
1
μ
A
PGOOD Voltage Low
I
PGOOD
= 4mA
-
-
0.5
V
PGOOD Delay
CDEL = 0.1
μ
F
-
125
-
ms
CDEL Current for PGOOD
CDEL threshold = 2.5V
-
2
-
μ
A
CDEL Threshold
-
2.5
-
V
EXTERNAL REFERENCE
MIn External Reference Input at
GPIO1/REFIN.
VMSET/MODE = H, C
REFOUT
= 2.2μF
-
0.600
-
V
Max External Reference Input at
GPIO1/REFIN.
VMSET/MODE = H, C
REFOUT
= 2.2μF
-
-
1.250
V
REFERENCE BUFFER
Buffered Output Voltage - Internal Reference
V
REFOUT
I
REFOUT
= 1mA,
VMSET/MODE = High,
C
REFOUT
= 2.2
μ
F, T
A
= -40°C to 85°C
0.583
0.595
0.607
V
Buffered Output Voltage - Internal Reference
V
REFOUT
I
REFOUT
= 20mA,
VMSET/MODE = High,
C
REFOUT
= 2.2
μ
F, T
A
= -40°C to 85°C
0.575
0.587
0.599
V
Buffered Output Voltage - External Reference
V
REFOUT
V
REFIN
= 1.25V, I
REFOUT
= 1mA,
VMSET2/MODE = High,
C
REFOUT
= 2.2
μ
F
1.227
1.246
1.265
V
Electrical Specifications
Operating Conditions, Unless Otherwise Noted: VIN = 12V, PV
CC
shorted with V
CC5
, T
A
= 25°C
(Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
ISL6420A
相關(guān)PDF資料
PDF描述
ISL6420A Advanced Single Synchronous Buck Pulse-Width Modulation (PWM) Controller(單片同步降壓脈寬調(diào)制控制器)
ISL6420AIAZ-TK Circular Connector; No. of Contacts:22; Series:MS27473; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:12; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:12-35 RoHS Compliant: No
ISL6420IAZ-TK PCB Relay; Contacts:SPDT; Contact Carry Current:500mA; Coil Voltage DC Max:9V; Relay Terminals:SMT Gullwing; Coil Resistance:405ohm; Contact Rating:10mA at 30VAC; Leaded Process Compatible:Yes; Peak Reflow Compatible (260 C):No RoHS Compliant: Yes
ISL6420IRZ-T Advanced Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
ISL6420IA-TK Advanced Single Synchronous Buck Pulse-Width Modulation (PWM) Controller
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ISL6420BEVAL2Z 功能描述:EVAL BOARD 2 FOR ISL6420B RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - DC/DC 與 AC/DC（離線）SMPS 系列:* 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:True Shutdown™ 主要目的:DC/DC，步升 輸出及類型:1，非隔離 功率 - 輸出:- 輸出電壓:- 電流 - 輸出:1A 輸入電壓:2.5 V ~ 5.5 V 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):升壓 頻率 - 開關(guān):3MHz 板類型:完全填充 已供物品:板 已用 IC / 零件:MAX8969
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