參數(shù)資料
型號(hào)： L6910A
廠商： 意法半導(dǎo)體
英文描述： ADJUSTABLE STEP DOWN CONTROLLER WITH SYNCHRONOUS RECTIFICATION
中文描述： 可調(diào)降壓控制器采用同步整流
文件頁(yè)數(shù)： 4/21頁(yè)
文件大?。?/td> 453K
代理商： L6910A
L6910A L6910
4/21
ELECTRICAL CHARACTERISTICS
(V
cc
= 12V, T
J
=25°C unless otherwise specified)
Symbol
Parameter
V
cc
SUPPLY CURRENT
Icc
Vcc Supply current
POWER-ON
Turn-On Vcc threshold
Turn-Off Vcc threshold
Rising V
OCSET
threshold
Turn On EAREF threshold
S
OFT START AND INHIBIT
Iss
Soft start Current
S.S. current in INH condition
OSCILLATOR
f
OSC
Initial Accuracy
Test Condition
Min
Typ
Max
Unit
OSC = open; SS to GND
4
7
9
mA
VOCSET = 4V
VOCSET = 4V
4.0
3.8
4.3
4.1
1.24
650
4.6
4.4
1.4
750
V
V
V
VOCSET = 4V
mV
SS = 2V
SS = 0 to 0.4V
6
10
35
14
60
μ
A
μ
A
OSC = OPEN
OSC = OPEN; T
j
= 0
°
to 125
°
16 K
< R
T
to GND < 200 K
180
170
-15
200
220
230
15
KHz
kHz
%
V
f
OSC,RT
Vosc
REFERENCE
V
OUT
V
REF
V
REF
ERROR AMPLIFIER
I
EAREF
Total Accuracy
Ramp amplitude
1.9
Output Voltage Accuracy
Reference Voltage
Reference Voltage
V
OUT
= V
FB
; V
EAREF
= V
REF
C
REF
= 1nF; I
REF
= 0 to 100
μ
A
C
REF
= 1nF; T
J
= 0 to 125
°
C
0.886
0.886
-2
0.900
0.900
0.913
0.913
+2
V
V
%
N.I. bias current
EAREF Input Resistance
I.I. bias current
Common Mode Voltage
Output Voltage
Open Loop Voltage Gain
Gain-Bandwidth Product
Slew-Rate
GATE DRIVERS
I
HGATE
High Side
Source Current
R
HGATE
High Side
Sink Resistance
I
LGATE
Low Side Source Current
R
LGATE
Low Side Sink Resistance
Output Driver Dead Time
PROTECTIONS
I
OCSET
OCSET Current Source
Over Voltage Trip (V
FB
/ V
EAREF
)
I
OSC
OSC Sourcing Current
POWER GOOD
Upper Threshold (V
FB
/ V
EAREF
)
Lower Threshold (V
FB
/ V
EAREF
)
Hysteresis (V
FB
/ V
EAREF
)
V
PGOOD
PGOOD Voltage Low
I
PGOOD
Output Leakage Current
V
EAREF
= 3V
Vs. GND
V
FB
= 0V to 3V
10
300
0.01
μ
A
k
μ
A
V
V
dB
MHz
V/
μ
s
I
FB
V
CM
V
COMP
G
V
GBWP
SR
0.5
3
4
0.8
0.5
70
85
10
10
COMP = 10pF
V
BOOT
- V
PHASE
= 12V
V
HGATE
- V
PHASE
= 6V
V
BOOT
- V
PHASE
= 12V
1
1.3
A
2
4
Vcc = 12V; V
LGATE
= 6V
Vcc = 12V
PHASE connected to GND
0.9
1.1
1.5
A
ns
3
90
210
V
OCSET
= 4V
V
FB
Rising
V
FB
> OVP Trip
170
200
117
30
230
120
μ
A
%
mA
15
V
FB
Rising
V
FB
Falling
Upper and Lower threshold
I
PGOOD
= -4mA
V
PGOOD
= 6V
108
88
110
90
2
0.4
0.2
112
92
%
%
%
V
μ
A
1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6910ATR 功能描述:DC/DC 開關(guān)控制器 5.0 to 12V 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
L6910G 功能描述:電壓模式 PWM 控制器 Adjustable Step Down Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
L6910GTR 功能描述:電壓模式 PWM 控制器 Adjustable Step Down Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
L6910R 功能描述:DC/DC 開關(guān)控制器 5.0 to 12V 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
L6910RTR 功能描述:DC/DC 開關(guān)控制器 5.0 to 12V 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
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