E-L5991 STMicroelectronics, E-L5991 Datasheet - Page 4

• Manufacturer Part Number: E-L5991
• Description: Switching Converters, Regulators & Controllers Prog Current Mode
• Manufacturer: STMicroelectronics

Specifications of E-L5991

• Output Voltage: 5.075 V
• Mounting Style: Through Hole
• Package / Case: PDIP-16
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

L5991 - L5991A
ELECTRICAL CHARACTERISTICS (continued.)
Figure 1. L5991 - Quiescent current vs. input
4/23
0 .2
0 .1 5
0 .1
0 .0 5
0
V
OUTPUT SECTION
SUPPLY SECTION
STANDBY FUNCTION
SYNCHRONIZATION SECTION
OVER CURRENT PROTECTION
DISABLE SECTION
3 0
2 0
4
REF
8
6
Symbol
V
V
CCOFF
V
I
CCON
V
I
V
V
V
qSH
-V
0
I
V
I
I
I
op
hys
S
q
T1
1
1
Z
1
1
t
Iq [m A ]
ST-BY
voltage.
(X = 7.6V and Y= 8.4V for L5991A)
4
Fall Time
Rise Time
UVLO Saturation
Startup voltage
Minimum Operating
Voltage
UVLO Hysteresis
Start Up Current
Operating Current
Quiescent Current
Zener Voltage
Standby Threshold
Clock Amplitude
Clock Source Current
Sync Pulse
Sync Pulse Current
Fault Threshold Voltage
Shutdown threshold
Input Bias Current
Quiescent current After
Disable
V 1 4 = 0 , P in 2 = o p e n
T j = 2 5 °C
8
Parameter
X
1 2
V c c [V ]
1 6
Y
2 0
C
C
C
C
V
Before Turn-on at:
V
C
(After turn on), CT = 1nF,
R
I
I
V
V
I
Vclock = 3.5V
Low Level
High Level
VSYNC = 3.5V
V
V
8
ST-BY
SOURCE
CC
CC
comp
comp
pin14
CC
O
O
O
O
T
T
= 20mA
2 4
= 13.3k , C
= 1nF, R
= 1nF
= 2.5nF
= 1nF
= 2.5nF
= V
= V
= 15V
Master Operation
= 2mA
Falling
Rising
= 0 to 3V
Slave Operation
C
C
= 0.8mA
2 8
= 0 to V
= V
Test Condition
T
= 13.3k , C
CCON
O
=0nF
CCON;
Figure 2. L5991 - Quiescent current vs. input
3 5 0
3 0 0
2 5 0
2 0 0
1 5 0
1 0 0
-0.5V
5 0
0
I
0
sink
O
I q [ µ A ]
=1nF
= 10mA
L5991A
L5991A
L5991A
voltage (after disable).
(X = 7.6V and Y= 8.4V for L5991A)
L5991
L5991
L5991
4
8
Min.
7.8
4.5
0.5
3.5
0.5
1.1
2.4
14
40
21
-1
9
7
4
3
X
V c c [ V ]
1 2
Typ.
330
8.4
7.6
0.8
7.0
2.5
4.0
1.2
2.5
20
35
50
70
15
10
75
25
45
5
9
7
Y
1 6
V 1 4 = V r e f
T j = 2 5 ° C
Max.
100
120
1.0
8.2
1.3
2.6
60
16
11
13
10
30
9
1
1
2 0
Unit
mA
mA
mV
mA
mA
ns
ns
ns
ns
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
A
A
A
2 4