- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄359133 > MC33997 (飛思卡爾半導(dǎo)體(中國(guó))有限公司) Switching Power Supply with Linear Regulators(帶線性穩(wěn)壓器的開關(guān)電源) PDF資料下載
參數(shù)資料
| 型號(hào)： | MC33997 |
| 廠商： | 飛思卡爾半導(dǎo)體(中國(guó))有限公司 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Switching Power Supply with Linear Regulators(帶線性穩(wěn)壓器的開關(guān)電源) |
| 中文描述： | 開關(guān)電源與線性穩(wěn)壓器（帶線性穩(wěn)壓器的開關(guān)電源） |
| 文件頁數(shù)： | 10/20頁 |
| 文件大?。?/td> | 454K |
| 代理商： | MC33997 |
33997
10
Go to: www.freescale.com
DYNAMIC ELECTRICAL CHARACTERISTICS
Characteristics noted under conditions 9.0 V
≤
V
PWR
≤
16 V, -40
°
C
≤
T
J
= T
A
≤
125
°
C using the typical application circuit (see
Figure 8
) unless otherwise noted. Typical values noted reflect the approximate parameter mean at T
A
= 25
°
C under nominal
conditions unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
BUCK REGULATOR V
DDH
Switching Frequency (Note 14)
f
SW
–
750
–
kHz
Soft Start Duration (see
Figure 2
)
V
PWR
= KA_V
PWR
= 6.0 V
t
SS
5.0
–
15
ms
CHARGE PUMP C
RES
Charge Pump Current Ramp-Up Time
V
PWR
= KA_V
PWR
= 14 V, C
RES
= 22 nF, V
CP
= 1.0 V to 11 V
t
CRES
1.0
–
20
ms
Charge Pump Ramp-Up Time
V
PWR
= KA_V
PWR
= 7.0 V, C
RES
= 22 nF, V
CP
= 7.0 V to 10 V
t
CRES
1.0
–
10
ms
SENSOR SUPPLIES V
REF1
, V
REF2
V
REF
Overcurrent Detection Time (see
Figure 3
)
V
REF
Load R
L
= 5.0
to GND, V
DDH
= 5.1 V, V
PWR
= KA_V
PWR
= 10 V,
EN = 5.0 V, SNSEN = 5.0 V
t
Det
0.5
–
2.0
μ
s
V
REF
Retry Timer Delay (see
Figure 3
)
V
REF
Load R
L
= 5.0
to GND, V
DDH
= 5.1 V, V
PWR
= KA_V
PWR
= 10 V,
EN = 5.0 V, SNSEN = 5.0 V
t
Ret
5.0
–
20
ms
SUPERVISORY CIRCUITS
PWROK Delay Time (Power-On Reset) (see
Figure 4
)
t
D(PWROK)
5.0
–
15
ms
VKAMOK Delay Time (see
Figure 5
)
t
D(VKAMOK)
10
–
30
ms
V
DDH
Power-Up Delay Time (see
Figure 6
)
t
D(VPWR)
1.0
–
10
ms
Fault-Off Timer Delay Time (see
Figure 7
)
t
Fault
1.0
–
10
ms
Notes
14.
Guaranteed by design but not production tested.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
n
.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC33998 | Switching Power Supply with Linear Regulators(帶線性穩(wěn)壓器的開關(guān)電源) |
| MC34017 | Telephone Tone Ringer(電話振鈴) |
| MC34063A | DC-DC CONVERTER CONTROL CIRCUITS |
| MC34063AB | DC-DC CONVERTER CONTROL CIRCUITS |
| MC34063ABD | AIRBUS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC33997DW | 功能描述:IC SWITCH 3.3/5V SUPPLY 24-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,000 系列:- 應(yīng)用:電源，ICERA E400，E450 輸入電壓:4.1 V ~ 5.5 V 輸出數(shù):10 輸出電壓:可編程 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:42-WFBGA，WLCSP 供應(yīng)商設(shè)備封裝:42-WLP 包裝:帶卷 (TR) |
| MC33997DWR2 | 制造商:Rochester Electronics LLC 功能描述:MLPS 3.3 IC - Bulk |
| MC33999EK | 功能描述:多路器開關(guān) IC 16 LOW SIDE PWM&SPI RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MC33999EK | 制造商:Freescale Semiconductor 功能描述:IC SWITCH 16 OUT SPI/PWM 54SOIC |
| MC33999EKR2 | 功能描述:多路器開關(guān) IC 16 LOW SIDE PWM&SPI RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。