参数资料
型号: L4962E/A
厂商: STMICROELECTRONICS
元件分类: 稳压器
英文描述: 3.3 A SWITCHING REGULATOR, 150 kHz SWITCHING FREQ-MAX, PZFM7
封装: HEPTAWATT-7
文件页数: 11/16页
文件大小: 461K
代理商: L4962E/A
4/16
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
DYNAMIC CHARACTERISTICS (cont’d)
f
Switching frequency
85
100
115
KHz
f
Vi
Voltage stability of
switching frequency
Vi = 9V to 46V
0.5
%
f
Tj
Temperature stability of
switching frequency
Tj = 0
°C to 125°C1
%
fmax
Maximum operating
switching frequency
Vo = Vref
Io = 1A
120
150
KHz
Tsd
Thermal shutdown
junction temperature
150
°C
DC CHARACTERISTICS
I7Q
Quiescent drain current
100% duty cycle
pins 2 and 14 open
Vi = 46V
30
40
mA
0% duty cycle
15
20
mA
-I2L
Output leakage current
0% duty cycle
1
mA
SOFT START
I15SO
Source current
100
140
180
A
I15SI
Sink current
50
70
120
A
ERROR AMPLIFIER
V11H
High level output voltage
V10 = 4.7V
I11 = 100
A
3.5
V
V11L
Low level output voltage
V10 = 5.3V
I11 = 100
A
0.5
V
I11SI
Sink output current
V10 = 5.3V
100
150
A
-I11SO
Source output current
V10 = 4.7V
100
150
A
I10
Input bias current
V10 = 5.2V
2
10
A
Gv
DC open loop gain
V11 = 1V to 3V
46
55
dB
OSCILLATOR
-I14
Oscillator source current
5
mA
ELECTRICAL CHARACTERISTICS (continued)
L4962
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