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L4936EH Datasheet

  • L4936EH

  • ADVANCED VOLTAGE REGULATOR

  • 99.47KB

  • 11頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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L4936E
ELECTRICAL CHARACTERISTICS
(Continued.)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
ENABLE INPUT
V
ENL
V
ENH
V
ENhyst
I
EN LOW
I
EN HIGH
Enable Input Low Voltage
(Output 2 Active)
Enable Input High Voltage
Enable Hysteresis
Enable Input Current Low
Enable Input Current High
V
EN
= 0
V
EN
= 1.1 to 7V; T
J
< 130
擄
C;
V
EN
= 1.1 to 7V;
T
J
= 130 to 150
擄
C;
-20
1.4
20
-20
-1
-10
30
-8
0
0
1
20
60
-3
1
10
V
V
mV
碌
A
碌
A
碌A(chǔ)
RESET CIRCUIT
V
RT
V
RTH
t
RD min
t
RD nom
t
RR
I
CT
I
CT
V
RESL
V
RESH
Reset Theresold Voltage
(note4)
Reset Theresold Hysteresis
Reset Pulse Delay
Reset Pulse Delay
Reset Reaction Time
Pull Down Capability of the
Discharge circuit
Charge Current
Reset Output Low Voltage
Reset Output High Leakage
current
R
PR
=
鈭?/div>
R
PR
= 0
R
PR
=
鈭?/div>
C
RES
= 47nF; t
r
鈮?/div>
30碌s; (note 5)
C
RES
= 47nF; (note 6)
C
RES
= 47nF
V
OUT1
< V
RT
V
OUT1
> V
RT
R
RES
= 10K鈩?to V
OUT1
V
OUT1
鈮?/div>
1.5V
V
RES
= 5V
4.5
3.65
15
40
60
10
3
-1.3
V
O1
-0.3 V
O1
-0.2
3.8
40
60
100
50
6
-1
3.95
100
100
140
150
15
0.7
0.4
1
V
V
mV
ms
ms
碌
s
mA
碌A(chǔ)
V
碌
A
SENSE COMPARATOR
V
SI
V
SIT
V
SITH
V
SOL
I
SOH
I
SI HIGH
I
SI LOW
Functional Range
Sense Threshold Voltage
Sense Threshold Hysteresis
Sense Output Low Voltage
Sense Output Leakage
Sense Input Current High
Sense Input Current Low
V
SI
鈮?/div>
1.05V; R
SO
=10K
鈩?/div>
connected to 5V; V
S
鈮?/div>
5V
V
SO
= 5V; V
SI
鈮?/div>
1.5V
V
SI
= 1.1 to 7V; T
J
<130
擄
C
V
SI
= 1.1 to 7V; T
J
130 to 150
擄
C
V
SI
= 0V
-1
-10
-20
0
0
-8
Falling Edge; T
J
<130
擄
C
Falling Edge; T
J
130 to 150
擄
C
-20
1.08
1.05
10
1.16
1.16
30
20
1.24
1.29
60
0.4
1
1
10
-3
V
V
V
mV
V
碌
A
碌
A
碌
A
碌A(chǔ)
Note :
4) The reset threshold can be programmed continuously from typ 3.8V to 4.7V by changing a value of an external resistor from pin PR to GN
5) This is a minimum reset time according to the hysteresis of the comparator. Delay time starts with V
OUT1
exceeding V
RT
6) This is the nominal reset time depending on the discharging limit of C
T
(saturation voltage) and theupper threshold of the timer comparator.
Delay time starts with V
OUT1
exceeding V
RT
7) The leakage of C
T
must be less than 0.5mA (2V). If an external resistor between C
T
and V
OUT1
is applied, the leakage current may be
increased. The external resistor should have more than 30K
鈩?/div>
.
for stability: Cs
鈮?/div>
1碌F, C01
鈮?/div>
10碌F, C02
鈮?/div>
10碌F, ESR
鈮?/div>
5鈩?(designed target for resistive load) For details see application note.
8) For transients exceeding 20V or -20V external protection is required at the Pins SI and EN as shown at Pin EN. The protection proposed will
provide proper function for transients in the range of
鹵
200V. If the zener diode is omitted the external resistor should be raised to 200K
鈩?/div>
to limit the current to 1mA. Without the zener diode, the function 20V or -20V can not be guaran teed.
4/11

L4936EH 產(chǎn)品屬性

  • 50

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - 線性

  • -

  • 正，固定式和可調(diào)式

  • 5V，4.9 V ~ 5.1 V

  • 6 V ~ 28 V

  • 0.2V @ 100mA，0.3V @ 400mA

  • 2

  • 100mA，400mA

  • -40°C ~ 150°C

  • 通孔

  • Multiwatt-15（垂直，彎曲和錯列引線）

  • 15-Multiwatt

  • 管件

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