參數(shù)資料
型號(hào): L5987ATR
廠商: STMICROELECTRONICS
元件分類(lèi): 穩(wěn)壓器
英文描述: 4.4 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8
封裝: ROHS COMPLIANT, HSOP-8
文件頁(yè)數(shù): 39/41頁(yè)
文件大?。?/td> 1002K
代理商: L5987ATR
L5987
Electrical characteristics
Doc ID 14972 Rev 3
7/41
Error amplifier
VCH
High level output voltage
VFB < 0.6 V
3
V
VCL
Low level output voltage
VFB > 0.6 V
0.1
IFB
Bias source current
VFB = 0 V to 0.8 V
1
μA
IO SOURCE Source COMP pin
VFB = 0.5 V,
VCOMP = 1 V
20
mA
IO SINK
Sink COMP pin
VFB = 0.7 V,
VCOMP = 1 V
25
mA
GV
Open loop voltage gain
(2)
100
dB
Synchronization function
High input voltage
2
3.3
V
Low input voltage
1
Slave sink current
VSYNCH = 2.9 V
0.7
0.9
mA
Master output amplitude
ISOURCE = 4.5 mA
2.0
V
Output pulse width
SYNCH floating
110
ns
Input pulse width
70
Protection
IFBDISC
FB disconnection source
current
1
μA
TSHDN
Thermal shutdown
150
°C
Hysteresis
30
1.
Specification referred to TJ from -40 to +125 °C. Specification in the -40 to +125 °C temperature range are
assured by design, characterization and statistical correlation.
2.
Guaranteed by design.
Table 4.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Values
Unit
Min
Typ
Max
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