參數(shù)資料
型號(hào): LT1317CS8
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: Micropower, 600kHz PWM DC/DC Converters
中文描述: SWITCHING REGULATOR, 720 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 0.150 INCH, PLASTIC, SO-8
文件頁(yè)數(shù): 6/16頁(yè)
文件大?。?/td> 447K
代理商: LT1317CS8
6
LT1317/LT1317B
TYPICAL PERFOR U
Load Regulation (LT1317)
V
IN
= 1.5V
V
OUT
= 5V
I
LOAD
25mA/DIV
1317 TPC19
V
OUT
50mV/DIV
DC COUPLED
OFFSET
ADDED
Load Regulation (LT1317)
V
IN
= 2V
V
OUT
= 5V
I
LOAD
25mA/DIV
1317 TPC20
V
OUT
50mV/DIV
DC COUPLED
OFFSET
ADDED
Load Regulation (LT1317)
V
IN
= 2.5V
V
OUT
= 5V
I
LOAD
50mA/DIV
1317 TPC21
V
OUT
50mV/DIV
DC COUPLED
OFFSET
ADDED
Load Regulation (LT1317)
V
IN
= 1.5V
V
OUT
= 3.3V
I
LOAD
25mA/DIV
1317 TPC22
Load Regulation (LT1317)
V
IN
= 2V
V
OUT
= 3.3V
I
LOAD
50mA/DIV
1317 TPC23
Load Regulation (LT1317)
V
IN
= 2.5V
V
OUT
= 3.3V
I
LOAD
50mA/DIV
1317 TPC24
V
OUT
50mV/DIV
DC COUPLED
OFFSET
ADDED
V
OUT
50mV/DIV
DC COUPLED
OFFSET
ADDED
V
OUT
50mV/DIV
DC COUPLED
OFFSET
ADDED
Note:
For load regulation pictures, double lines are due to
output capacitor ESR.
V
C
(Pin 1):
Compensation Pin for Error Amplifier. Con-
nect a series RC network from this pin to ground. Typical
values for compensation are a 33k/3.3nF combination. A
100pF capacitor from the V
C
pin to ground is optional and
improves noise immunity. Minimize trace area at V
C
.
FB (Pin 2):
Feedback Pin. Reference voltage is 1.24V.
Connect resistor divider tap here. Minimize trace area at
FB. Set V
OUT
according to: V
OUT
= 1.24V(1 + R1/R2).
SHDN (Pin 3):
Shutdown. Pull this pin low for shutdown
mode (only the low-battery detector remains active).
Leave this pin floating or tie to a voltage between 1.4V and
6V to enable the device. SHDN pin is logic level and need
only meet the logic specification (1.4V for high, 0.4V for
low).
PI
FU
CTIO
N
S
U
U
GND (Pin 4):
Ground. Connect directly to local ground
plane.
SW (Pin 5):
Switch Pin. Connect inductor/diode here.
Minimize trace area at this pin to keep EMI down.
V
IN
(Pin 6):
Supply Pin. Must be bypassed close to the
pin.
LBI (Pin 7):
Low-Battery Detector Input. 200mV refer-
ence. Voltage on LBI must stay between ground and
700mV. Low-battery detector remains active in shutdown
mode.
LBO (Pin 8):
Low-Battery Detector Output. Open collec-
tor, can sink 10
μ
A. A 1M
pull-up is recommended.
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LT1317CS8#PBF 功能描述:IC REG BOOST ADJ 0.5A 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:降壓(降壓) 輸出類型:固定 輸出數(shù):1 輸出電壓:1.2V 輸入電壓:2.05 V ~ 6 V PWM 型:電壓模式 頻率 - 開關(guān):2MHz 電流 - 輸出:500mA 同步整流器:是 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:6-UFDFN 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:6-SON(1.45x1) 產(chǎn)品目錄頁(yè)面:1032 (CN2011-ZH PDF) 其它名稱:296-25628-2
LT1317CS8#TR 功能描述:IC REG BOOST ADJ 0.5A 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:升壓(升壓) 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式,混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無(wú) 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC
LT1317CS8#TRPBF 功能描述:IC REG BOOST ADJ 0.5A 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:升壓(升壓) 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式,混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無(wú) 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC(0.154",3.90mm 寬) 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC
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