參數資料
型號: LT3150
廠商: Linear Technology Corporation
英文描述: Fast Transient Response, Low Input Voltage, Very Low Dropout Linear Regulator Controller
中文描述: 快速瞬態(tài)響應,低輸入電壓,非常低壓差線性穩(wěn)壓器控制器
文件頁數: 3/20頁
文件大?。?/td> 263K
代理商: LT3150
3
LT3150
3150f
SYMBOL
A
VOL
V
OL
V
OH
PARAMETER
Large-Signal Voltage Gain
GATE Output Swing Low (Note 4)
GATE Output Swing High
CONDITIONS
V
GATE
= 3V to 10V
I
GATE
= 0mA
I
GATE
= 0mA
MIN
69
TYP
84
2.5
V
IN2
– 1
MAX
UNITS
G
dB
V
V
G
3
G
V
IN2
– 1.6
I
POS
+ I
NEG
Supply Current
Current Limit Threshold Voltage
3V
I
POS
20V
G
0.3
42
37
0.625
50
50
–0.20
1
mA
mV
mV
%/V
58
63
G
Current Limit Threshold Voltage
Line Regulation
SHDN2 Sink Current
SHDN2 Source Current
SHDN2 Low Clamp Voltage
SHDN2 High Clamp Voltage
SHDN2 Threshold Voltage
SHDN2 Threshold Hysteresis
3V
I
POS
20V
G
–0.50
Current Flows Into Pin
Current Flows Out of Pin
G
2.5
–8
5.0
–15
0.1
1.85
1.21
100
8.0
–23
0.25
2.20
1.240
150
μ
A
μ
A
V
V
V
mV
G
G
G
1.50
1.18
50
G
G
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2:
T
J
is calculated from the ambient temperature T
A
and power
dissipation P
D
according to the following formula:
T
J
= T
A
+ (P
D
130
°
C/W)
ELECTRICAL CHARACTERISTICS
The
G
denotes specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25
°
C.
V
IN1
= 1.5V, V
SHDN1
= V
IN1
, V
IN2
= 12V, GATE = 6V, I
POS
= I
NEG
= 5V, V
SHDN2
= 0.75V unless otherwise noted.
Note 3:
Switch current limit is guaranteed by design and/or correlation to
static test.
Note 4:
The V
GS(th)
of the external MOSFET must be greater than
3V – V
OUT
.
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