E-L5991AD STMicroelectronics, E-L5991AD Datasheet - Page 2

• Manufacturer Part Number: E-L5991AD
• Description: IC CTRLR PRIMARY W/STDBY 16-SOIC
• Manufacturer: STMicroelectronics

Specifications of E-L5991AD

• Mfg Application Notes: 25W Off-Line Battery Charger with L5991A AppNote 300W Forward Converter with L5991A AppNote 45W AC-DC Adapter with Standby AppNote 60W Power Supply using the L5991 AppNote 80W Adapter using L6561/L5991A AppNote 90W SMPS for Monitors with Standby AppNote Trick Enhances L5991s Standby Function AppNote L5991-Based Converter, Temp Extra Power AppNote Auxiliary Power Supply Design AppNote Minimize Power Losses AppNote
• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 1MHz
• Duty Cycle: 93%
• Voltage - Supply: 8.2 V ~ 20 V
• Buck: No
• Boost: Yes
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: 0°C ~ 105°C
• Package / Case: 16-SOIC (3.9mm Width)
• Frequency-max: 1MHz
• Duty Cycle (max): 93 %
• Output Voltage: 5.075 V
• Output Current: 1500 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 1000 KHz
• Operating Supply Voltage: 12 V to 20 V
• Maximum Operating Temperature: + 150 C
• Fall Time: 35 ns
• Minimum Operating Temperature: - 40 C
• Rise Time: 70 ns
• Synchronous Pin: Yes
• Topology: Boost, Flyback
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5288-5

L5991 - L5991A
ABSOLUTE MAXIMUM RATINGS
(*) maximum package power dissipation limits must be observed
PIN CONNECTION
THERMAL DATA
PIN FUNCTIONS
2/23
10
11
12
13
14
15
16
N.
1
2
3
4
5
6
7
8
9
Symbol
Symbol
R
th j-amb
I
V
P
T
OUT
T
CC
stg
tot
j
DC-LIM
COMP
PGND
SGND
ST-BY
SYNC
Name
VREF
ISEN
OUT
RCT
VFB
V
DIS
DC
SS
V
CC
C
Supply Voltage (I
Output Peak Pulse Current
Analog Inputs & Outputs (6,7)
Analog Inputs & Outputs (1,2,3,4,5,15,14, 13, 16)
Power Dissipation @ T
Junction Temperature, Operating Range
Storage Temperature, Operating Range
Thermal Resistance Junction -Ambient (DIP16)
Thermal Resistance Junction -Ambient (SO16)
Synchronization. A synchronization pulse terminates the PWM cycle and discharges Ct
Oscillator pin for external C
Duty Cycle control
5.0V +/-1.5% reference voltage @ 25°C
Error Amplifier Inverting input
Error Amplifier Output
Soft start pin for external capacitor Css
Supply for internal "Signal" circuitry
Supply for Power section
High current totem pole output
Power ground
Signal ground
Current sense
Disable. It must never be left floating. TIE to SGND if not used.
Connecting this pin to Vref, DC is limited to 50%. If it is left floating or grounded no limitation is
imposed
Standby. Connect a resistor to RCT. Connect to VREF or floating if not used.
CC
@ T
COMP
SYNC
VREF
< 50mA) (*)
RCT
VFB
V
amb
amb
DC
SS
CC
Parameter
Parameter
= 50 C (SO16)
= 70 C (DIP16)
1
2
3
4
5
6
7
8
T
, R
A
, R
B
components
16
15
14
13
12
11
10
Function
9
ST-BY
DC-LIM
DIS
ISEN
SGND
PGND
OUT
V
C
-40 to 150
-55 to 150
-0.3 to 8
-0.3 to 6
selflimit
Value
Value
0.83
120
1.5
80
1
Unit
Unit
C/W
C/W
W
W
V
A
V
V
C
C