L5993 STMicroelectronics, L5993 Datasheet - Page 4

• Manufacturer Part Number: L5993
• Description: Switching Converters, Regulators & Controllers Prog Current Mode
• Manufacturer: STMicroelectronics

Specifications of L5993

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

L5993
ELECTRICAL CHARACTERISTICS (continued.)
Figure 1. Quiescent current vs. input voltage.
4/22
0.2
0.15
0.1
0.05
0
OUTPUT SECTION
SUPPLY SECTION
SYNCHRONIZATION SECTION
OVER CURRENT PROTECTION
DISABLE SECTION
CONSTANT POWER
30
20
8
6
4
Symbol
V
V
0
CCOFF
V
CCON
I
I
V
V
V
V
I
I
I
I
SH
hys
op
Iq [mA]
S
q
1
1
Z
1
1
t
4
Collector Leakage
Fall Time
Rise Time
UVLO Saturation
Startup voltage
Minimum Operating Voltage
ULVO Hysteresis
Start Up Current
Operating Current
Quiescent Current
Zener Voltage
Clock Amplitude
Clock Source Current
Sync Pulse
Sync Pulse Current
Fault Threshold Voltage
Shutdown threshold
Shutdown Current
V14 = 0, Pin2 = open
Tj = 25 C
8
Parameter
12
Vcc [V]
16
20
24
V
C
C
C
C
V
Before Turn-on at:
V
CT = 1nF,R
=1nF
(After turn on), CT = 1nF,
R
I
I
Vclock = 3.5V
Low Level
High Level
VSYNC = 3.5V
V
8
SOURCE
Master Operation
Slave Operation
CC
CC
CC
CC
O
O
O
O
T
= 20mA
= 13.3k , C
= 1nF
= 2.5nF
= 1nF
= 2.5nF
28
= 20V V
= 0V to V
= V
= 15V
Test Condition
CCON
= 0.8mA
T
Figure 2. Quiescent current vs. input voltage
350
300
250
200
150
100
C
- 0.5V
= 13.3k , C
CCON
50
0
= 24V
O
= 0nF
0
; I
Iq [ A]
sink
= 10mA
O
4
(after disable).
8
Min.
4.5
3.5
0.5
1.1
2.4
14
40
21
9
4
3
Vcc [V]
12
Typ.
330
7.0
1.2
2.5
20
35
50
70
15
10
75
25
2
5
9
7
16
Max.
100
120
V14 = Vref
1.0
1.3
2.6
Tj = 25 C
20
60
13
10
30
16
11
1
20
Unit
mA
mA
mA
mA
ns
ns
ns
ns
V
V
V
V
V
V
V
V
V
V
A
A
A
24