參數(shù)資料
型號(hào): L5988D
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: 5.6 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝: LEAD FREE, HTSSOP-16
文件頁數(shù): 2/52頁
文件大小: 1858K
代理商: L5988D
Electrical characteristics
L5988D
10/52
Doc ID 15324 Rev 3
Dynamic characteristic (see figure 1)
VFB
Voltage feedback in
regulation
2.9 V < VCC < 18 V
0.595
0.6
0.605
V
(1)
0.592
0.6
0.609
Error amplifier
VOH
High level output voltage
VFB = 0.2 V; SS floating
3.1
V
VOL
Low level output voltage
VFB = 1.0 V
0.1
V
IO SOURCE
Source output current
VFB = 0.2 V
(2)
25
mA
IO SRCE LIM Source current limitation
VFB = 0.2 V, VCOMP = 3 V
2
mA
IO SINK
Sink output current
VFB = 1.0 V, VCOMP = 0.5 V
30
mA
AV0
DC open loop gain
(2)
100
dB
Sync function
High input voltage
2.9
4.0
V
Low input voltage
0.74
V
Slave sink current
VSYNC = 3.3 V;
FSW = float
1mA
Master output amplitude
ISOURCE = 5 mA
2.9
V
Output pulse width
SYNCH = floating
100
ns
Input pulse width
70
ns
Reference section
VREF
Reference voltage
Vcc = 2.9 V to 18 V
1.756
1.8
1.837
V
(1)
1.754
1.8
1.852
V
Line regulation
Vcc = 2.9 V to 18 V
IREF = 0 mA
612
mV
Load regulation
IREF = 0 to 5 mA
7.5
15
mV
Short circuit current
12
18
24
mA
Protections
VFB_OVP
Overvoltage trip
(VFB_OVP - VFB) / VFB
VFB rising
15
20
24
%
VFB
Bus thresholds
TH1
- UVLO 3.3 V bus
- OVP not latched
- No sink
(3)
00.2
V
TH2
- UVLO 3.3 V bus
- OVP not latched
- Sink
(3)
0.26
0.425
V
Table 4.
Electrical characteristic (continued)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
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