參數(shù)資料
型號(hào): L6725TR
廠商: 意法半導(dǎo)體
英文描述: Low cost adjustable step-down controller
中文描述: 低成本可調(diào)降壓控制器
文件頁數(shù): 9/27頁
文件大?。?/td> 489K
代理商: L6725TR
L6725
Electrical characteristics
9/27
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Error Amplifier
R
EAREF
EAREF Input Resistance
Vs. GND
70
100
150
k
I
FB
I.I. bias current
V
F
Β
= 0V
0.290
0.5
μ
A
Ext Ref
Clamp
2.3
V
V
OFFSET
Error amplifier offset
Vref = 0.6V
-5
+5
mV
G
V
Open Loop Voltage Gain
Guaranteed by design
100
dB
GBWP
Gain-Bandwidth Product
Guaranteed by design
10
MHz
SR
Slew-Rate
COMP = 10pF
Guaranteed by design
5
V/
μ
s
Gate Drivers
R
HGATE_ON
High Side Source Resistance
V
BOOT
- V
PHASE
= 5V
1.7
R
HGATE_OFF
High Side Sink Resistance
V
BOOT
- V
PHASE
= 5V
1.12
R
LGATE_ON
Low Side Source Resistance
V
CCDR
= 5V
1.15
R
LGATE_OFF
Low Side Sink Resistance
V
CCDR
= 5V
0.6
Protections
I
OCH
OCH Current Source
V
OCH
= 1.7V
90
100
110
μΑ
I
OCL
OCL Current Source
90
100
110
μΑ
OVP
Over Voltage Trip
(V
FB
/ V
EAREF
)
V
FB
Rising
V
EAREF
= 0.6V
120
%
V
FB
Falling
V
EAREF
= 0.6V
117
%
Table 4.
Electrical characteristics
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