L5983 STMicroelectronics, L5983 Datasheet - Page 7

• Manufacturer Part Number: L5983
• Description: IC REG SW STEP DOWN 1.5A 8VFQFPN
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of L5983

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.6 ~ 18 V
• Current - Output: 1.5A
• Frequency - Switching: 250kHz ~ 1MHz
• Voltage - Input: 2.9 ~ 18 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-VFQFN, 8-VFQFPN
• Power - Output: 1.5W
• Output Voltage: 3 V
• Output Current: 1.5 A
• Input Voltage: 2.9 V to 18 V
• Switching Frequency: 220 KHz to 275 KHz
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 100 %
• Low Dropout Operation: 100 % duty cycle
• For Use With: 497-6386 - BOARD EVAL FOR L5983
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

L5983
Table 4.
1. Specification referred to T
2. Guaranteed by design
Synchronization function
Protection
I
O SOURCE
T
Symbol
I
I
FBDISC
SHDN
assured by design, characterization and statistical correlation.
O SINK
V
V
I
G
FB
CH
CL
V
(2)
High level output voltage
Low level output voltage
Bias source current
Source COMP pin
Sink COMP pin
Open loop voltage gain
High input voltage
Low input voltage
Slave sink current
Master output amplitude
Output pulse width
Input pulse width
FB disconnection source
current
Thermal shutdown
Hysteresis
Electrical characteristics
Parameter
J
from -40 to +125 °C. Specifications in the -40 to +125 °C temperature range are
Doc ID 13005 Rev 7
V
V
V
V
V
(2)
V
I
SYNCH floating
SOURCE
FB
FB
FB
FB
FB
SYNCH
< 0.6 V
> 0.6 V
= 0 V to 0.8 V
= 0.5 V, V
= 0.7 V, V
Test condition
= 2.9 V
= 4.5 mA
COMP
COMP
=1 V
=1 V
Min
2.0
70
3
2
Electrical characteristics
Values
Typ
100
110
150
0.7
20
25
30
1
1
Max
0.1
3.3
0.9
1
Unit
mA
mA
mA
μA
dB
μA
ns
°C
V
V
V
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