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參數(shù)資料
| 型號： | ISL8840AAUZ |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | High Performance Industry Standard Single-Ended Current Mode PWM Controller |
| 中文描述： | 1 A SWITCHING REGULATOR, 2000 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | ROHS COMPLIANT, PLASTIC, MO-187AA, MSOP-8 |
| 文件頁數(shù)： | 9/15頁 |
| 文件大?。?/td> | 313K |
| 代理商： | ISL8840AAUZ |
9
FN6320.3
April 18, 2007
Amplitude, Peak to Peak
Static Test
-
1.75
-
V
RTCT Discharge Voltage (Valley Voltage)
Static Test
-
1.0
-
V
Discharge Current
RTCT = 2.0V
6.2
8.0
8.5
mA
OUTPUT
Gate VOH
V
DD
- OUT, I
OUT
= -200mA
OUT - GND, I
OUT
= 200mA
C
OUT
= 1nF (Note 9)
C
OUT
= 1nF (Note 9)
C
OUT
= 1nF (Note 9)
V
DD
= 5V, I
LOAD
= 1mA
-
1.0
2.0
V
Gate VOL
-
1.0
2.0
V
Peak Output Current
-
1.0
-
A
Rise Time
-
20
40
ns
Fall Time
-
20
40
ns
GATE VOL UVLO Clamp Voltage
-
-
1.2
V
PWM
Maximum Duty Cycle
(ISL8840A, ISL8842A, ISL8843A)
COMP = VREF
94.0
96.0
-
%
Maximum Duty Cycle
(ISL8841A, ISL8844A, ISL8845A)
COMP = VREF
47.0
48.0
-
%
Minimum Duty Cycle
COMP = GND
-
-
0
%
NOTES:
7. Specifications at -55°C and
+
125°C
are guaranteed by +25°C test with margin limits.
8. This is the V
DD
current consumed when the device is active but not switching. Does not include gate drive current.
9. These parameters, although guaranteed, are not 100% tested in production.
10. Adjust V
DD
Electrical Specifications
ISL884xAM
-
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and
Typical Application schematic. V
DD
= 15V, RT = 10k
Ω
, CT = 3.3nF,
T
A
= -55 to +125°C
(Note 7), Typical values
are at T
A
= +25°C
(Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Typical Performance Curves
FIGURE 1. FREQUENCY vs TEMPERATURE
FIGURE 2. REFERENCE VOLTAGE vs TEMPERATURE
-60
-40
-20
0
TEMPERATURE (°C)
20
40
60
80
100 120 140
0.98
0.99
1.00
1.01
N
-60 -40 -20
0
20
40
60
80 100
0.995
0.996
0.997
0.998
0.999
1.000
1.001
TEMPERATURE (°C)
N
140
120
ISL8840A, ISL8841A, ISL8842A, ISL8843A, ISL8844A, ISL8845A
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| ISL8840AMBZ | High Performance Industry Standard Single-Ended Current Mode PWM Controller |
| ISL8840AMUZ | High Performance Industry Standard Single-Ended Current Mode PWM Controller |
| ISL8841A | High Performance Industry Standard Single-Ended Current Mode PWM Controller |
| ISL8841AABZ | High Performance Industry Standard Single-Ended Current Mode PWM Controller |
| ISL8841AAUZ | High Performance Industry Standard Single-Ended Current Mode PWM Controller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL8840AAUZ-T | 功能描述:IC REG CTRLR BST FLYBK ISO 8MSOP 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) |
| ISL8840AMBEP | 制造商:Intersil Corporation 功能描述:CURRENT MODE PWM CNTRLR 1A 8SOIC N - Rail/Tube |
| ISL8840AMBEP-TK | 制造商:Intersil Corporation 功能描述:CURRENT MODE PWM CNTRLR 1A 8SOIC N - Tape and Reel |
| ISL8840AMBEPZ | 制造商:Intersil Corporation 功能描述:PB-FREE, -55 TO +125, CURRENT MODE PWM, 100% DC, 7.0V UVLO,8 - Rail/Tube |
| ISL8840AMBEPZ-TK | 制造商:Intersil Corporation 功能描述:PB-FREE,-55 TO+125,CURRENT MODE PWM, 100% DC,7.0V UVLO,8LD S - Tape and Reel |
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