參數(shù)資料
型號(hào): L6562ATN
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, PDIP8
封裝: ROHS COMPLIANT, DIP-8
文件頁數(shù): 22/25頁
文件大?。?/td> 488K
代理商: L6562ATN
Electrical characteristics
L6562AT
6/25
5
Electrical characteristics
-40 °C < TJ < +125 °C, VCC = 12 V, CO = 1 nF; unless otherwise specified
Table 5.
Electrical characteristics
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
Supply voltage
VCC
Operating range
After turn-on
10.5
22.5
V
VccOn
Turn-on threshold
(1)
11.7
12.5
13.3
V
VccOff
Turn-off threshold
(1)
9.5
10
10.5
V
Hys
Hysteresis
2.2
2.8
V
VZ
Zener voltage
ICC = 20 mA
22.5
25
28
V
Supply current
Istart-up
Start-up current
Before turn-on, VCC = 11 V
30
60
A
Iq
Quiescent current
After turn-on
2.5
3.9
mA
ICC
Operating supply current @ 70 kHz
3.5
5.5
mA
Iq
Quiescent current
During OVP (either static or dynamic)
or VINV ≤ 150 mV
1.7
2.2
mA
Multiplier input
IMULT
Input bias current
VMULT = 0 to 4 V
-1
A
VMULT
Linear operation range
0 to 3
V
Output max. slope
VMULT = 0 to 1 V,
VCOMP = Upper clamp
11.1
V/V
K
Gain (2)
VMULT = 1 V, VCOMP = 4 V,
0.32
0.38
0.47
V
Error amplifier
VINV
Voltage feedback input
threshold
TJ = 25 °C
2.475
2.5
2.525
V
10.5 V < VCC < 22.5 V
(1)
2.44
2.545
Line regulation
VCC = 10.5 V to 22.5 V
2
5
mV
IINV
Input bias current
VINV = 0 to 3 V
-1
A
Gv
Voltage gain
Open loop
60
80
dB
GB
Gain-bandwidth product
1
MHz
ICOMP
Source current
VCOMP = 4 V, VINV = 2.4 V
-2
-3.5
-5
mA
Sink current
VCOMP = 4 V, VINV = 2.6 V
2.5
4.5
mA
VCOMP
Upper clamp voltage
ISOURCE = 0.5 mA
5.1
5.7
6
V
Lower clamp voltage
ISINK = 0.5 mA
(1)
2.12.252.4
V
VINVdis
Disable threshold
150
200
250
mV
VINVen
Restart threshold
380
450
520
mV
V
cs
Δ
V
MULT
Δ
---------------------
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