參數(shù)資料
型號: ISL6721AVZ
廠商: INTERSIL CORP
元件分類: 穩(wěn)壓器
英文描述: Flexible Single Ended Current Mode PWM Controller
中文描述: 1 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝: 4.40 MM, ROHS COMPLIANT, PLASTIC, MO-153AB, TSSOP-16
文件頁數(shù): 18/20頁
文件大?。?/td> 481K
代理商: ISL6721AVZ
18
Component List
References
[1] Ridley, R., “A New Continuous-Time Model for Current
Mode Control”, IEEE Transactions on Power
Electronics, Vol. 6, No. 2, April 1991.
[2] Dixon, Lloyd H., “Closing the Feedback Loop”, Unitrode
Power Supply Design Seminar, SEM-700, 1990.
TABLE 2.
REFERENCE
DESIGNATOR
VALUE
DESCRIPTION
C1, C2, C3
1.0
μ
F
Capacitor, 1812, X7R, 100V, 20%
C5, C13
0.1
μ
F
Capacitor, 0603, X7R, 25V, 10%
C15, C16, C19,
C20
560
μ
F
Capacitor, Radial, SANYO 4SEP560M
C17
470pF
Capacitor, 0603, COG, 50V, 5%
C18
.01
μ
F
Capacitor, 0805, X7R, 50V, 10%
C21, C22
22
μ
F
Capacitor, 1210, X5R, 10V, 20%
C4, C14
100pF
Capacitor, 0603, COG, 50V, 5%
C6
1500pF
Capacitor, Disc, Murata
DE1E3KX152MA5BA01
C7
Zero Ohm Jumper, 0603
C8
330pF
Capacitor, 0603, COG, 50V, 5%
C9, C10, C11,
C12
0.22
μ
F
Capacitor, 0603, X7R, 16V, 10%
CR2, CR6
Diode, Fairchild ES1C
CR4, CR5
Diode, IR 12CWQ03FN
D1
Zener, 18V, Zetex BZX84C18
D2
Diode, Schottky, BAT54C
Q1
FET, Fairchild FDS2570
Q2
Transistor, Zetex FMMT491A
Q3
Transistor, ON MJD31C
R1, R2
1.00K
Resistor, 1206, 1%
R10
20.0K
Resistor, 0603, 1%
FIGURE 12. GATE AND DRAIN-SOURCE WAVEFORMS
NOTE:
Trace 1: V
D-S
Trace 3: V
G-S
R7, R9, R11,
R26, R27
10.0K
Resistor, 0603, 1%
R12
38.3K
Resistor, 0603, 1%
R13, R15, R17,
R18, R19, R25
1.00K
Resistor, 0603, 1%
R14
10
Resistor, 0603, 1%
R16
165
Resistor, 0603, 1%
R21
10.0
Resistor, 1206, 1%
R22
5.11
Resistor, 0603, 1%
R24
3.92K
Resistor, 2512, 1%
R3, R23
100
Resistor, 0603, 1%
R4
1.00
Resistor, 2512, 1%
R5
221K
Resistor, 0603, 1%
R6
75.0K
Resistor, 0603, 1%
R8, R20
OMIT
T1
Transformer, MIDCOM 31555
U2
Opto-coupler, NEC PS2801-1
U3
Shunt Reference, National LM431BIM3
U4
PWM, Intersil ISL6721IB
VR1
Zener, 15V, Zetex BZX84C15
TABLE 2. (Continued)
REFERENCE
DESIGNATOR
VALUE
DESCRIPTION
ISL6721
相關(guān)PDF資料
PDF描述
ISL6721 Flexible Single Ended Current Mode PWM Controller(靈活的單端電流模式PWM控制器)
ISL6722A 1024 x 9 x 2 Asynchronous Bidirectional FIFO Memory 44-PLCC 0 to 70
ISL6723AABZ Flexible Single Ended Current Mode PWM Controllers
ISL6722AABZ 1024 x 9 x 2 Asynchronous Bidirectional FIFO Memory 64-TQFP 0 to 70
ISL6722AAVZ Flexible Single Ended Current Mode PWM Controllers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ISL6721AVZ-T 功能描述:IC REG CTRLR PWM CM 16-TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:275kHz 占空比:50% 電源電壓:18 V ~ 110 V 降壓:無 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 包裝:帶卷 (TR)
ISL6721EVAL1 功能描述:EVALUATION BOARD ISL6721 RoHS:否 類別:RF/IF 和 RFID >> RF 評估和開發(fā)套件,板 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:GPS 接收器 頻率:1575MHz 適用于相關(guān)產(chǎn)品:- 已供物品:模塊 其它名稱:SER3796
ISL6721EVAL3Z 功能描述:EVAL BOARD 3 FOR ISL6721 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
ISL6722AABZ 功能描述:IC REG CTRLR PWM CM 16-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:275kHz 占空比:50% 電源電壓:18 V ~ 110 V 降壓:無 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 包裝:帶卷 (TR)
ISL6722AABZ-T 功能描述:IC REG CTRLR PWM CM 16-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- PWM 型:電流模式 輸出數(shù):1 頻率 - 最大:275kHz 占空比:50% 電源電壓:18 V ~ 110 V 降壓:無 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:是 工作溫度:-40°C ~ 85°C 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 包裝:帶卷 (TR)