參數(shù)資料
型號: L6995D
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, 270 kHz SWITCHING FREQ-MAX, PDSO20
封裝: MO-153-AC, TSSOP-20
文件頁數(shù): 20/25頁
文件大?。?/td> 674K
代理商: L6995D
L6995
4/25
ON TIME
Ton
On time duration
VREF=VSENSE OSC=250mV
850
950
1050
ns
VREF=VSENSE OSC=500mV
470
520
570
ns
VREF=VSENSE OSC=1V
250
285
320
ns
VREF=VSENSE OSC=2V
130
160
190
ns
OFF TIME
TOFFMIN
Minimum off time
580
ns
KOSC/TOFFMIN
OSC=250mV
0.30
0.60
VOLTAGE REFERENCE
VREF
Voltage Accuracy
0
A < IREF < 100A
0.891
0.9
0.909
V
PWM COMPARATOR
Input voltage offset
-2
+2
mV
IFB
Input Bias Current
0.1
A
INTEGRATOR
INT
Over Voltage Clamp
VSENSE = VCC
1.04
1.07
1.1
V
INT
Under Voltage Clamp
VSENSE = GND
0.82
0.84
0.86
V
Integrator Input Offset Voltage
VSENSE-VREF
-5
5
mV
IVSENSE
Input Bias Current
0.1
A
GATE DRIVERS
High side rise time
VDR=3.3V; C=7nF
HGATE - PHASE from 1 to 3V
50
70
ns
High side fall time
50
70
ns
Low side rise time
VDR=3.3V; C=14nF
LGATE from 1 to 3V
50
70
ns
Low side fall time
50
70
ns
PGOOD UVP/OVP PROTECTIONS
OVP
Over voltage threshold
with respect to VREF
112
115
118
%
UVP
Under voltage threshold
66
69
72
%
PGOOD
Upper threshold
(VSENSE-VREF)
VSENSE rising
107
110
113
%
PGOOD
Lower threshold
(VSENSE-VREF)
VSENSE falling
868992
%
VPGOOD
ISink=2mA
0.14
0.2
V
ELECTRICAL CHARACTERISTICS (continued)
(VCC = VDR = 5V; Tamb = 0°C to 85°C unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
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L6995DTR 功能描述:DC/DC 開關(guān)控制器 1.5 to 28V Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
L6995STR 功能描述:DC/DC 開關(guān)控制器 1.5 to 28V Step-Down RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
L6996 功能描述:DC/DC 開關(guān)控制器 Step-Down Contrllr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
L6996-1 制造商:Johanson 功能描述:TUNING ROTOR
L6996-13 制造商:Johanson Manufacturing 功能描述:TUNING ELEMENT