TLD5085EJ Infineon Technologies, TLD5085EJ Datasheet - Page 8

• Manufacturer Part Number: TLD5085EJ
• Description: IC DC-DC CONV STP-DWN 1.8A DSO8
• Manufacturer: Infineon Technologies

Specifications of TLD5085EJ

• Constant Current: Yes
• Constant Voltage: Yes
• Topology: PWM, Step-Down (Buck), Switched Capacitor (Charge Pump)
• Number Of Outputs: 1
• Internal Driver: *
• Type - Primary: Automotive
• Frequency: 370kHz
• Voltage - Supply: 4.75 V ~ 45 V
• Voltage - Output: 0.6 V ~ 16 V
• Mounting Type: Surface Mount
• Package / Case: DSO-8
• Current - Output / Channel: 1.8A
• Internal Switch(s): *
• Efficiency: *
• Packages: PG-DSO-8
• Vs (min): 4.75 V
• Vs (max): 45.0 V
• Vq (max): -
• Iq (max): 1,800.0 mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Operating Temperature: -
• Lead Free Status / Rohs Status: Details

5.2
Electrical Characteristics: Buck Regulator
V
Pos.
5.2.1
5.2.2
5.2.3
5.2.4
5.2.5
5.2.6
5.2.7
5.2.8
5.2.9
5.2.10
5.2.11
5.2.12
5.2.13
5.2.14
1) Not subject to production test; specified by design.
2) Consider
Datasheet
S
= 6.0 V to 40 V,
Parameter
FB input voltage
FB input current
Power-Switch on-resistance
Current transition rise/fall time
Buck peak over current limit
Bootstrap under voltage lockout,
turn-off threshold
Charge pump current
Charge pump switch-off threshold
Maximum duty cycle
Soft start ramp
Input under voltage shutdown
threshold
Input voltage startup threshold
Input under voltage shutdown
hysteresis
“Chapter 4.2, Functional
Electrical Characteristics
T
j
= -40 °C to +150 °C, all voltages with respect to ground (unless otherwise specified)
Range”
Symbol
V
V
I
R
t
I
V
I
V
V
D
t
V
V
V
r
start
FB
BUOC
CP
FB
FB
DS(ON)
BDS,off
BDS
BUO
S,off
S,on
S,hyst
max
-
8
Min.
0.588 0.60
0.576 0.60
-1
–
–
2.2
V
+3.3
2
–
–
350
3.75
–
150
BUO
Limit Values
Typ.
-0.1
–
50
–
–
–
–
–
500
–
–
–
Max.
0.612
0.624
0
500
–
3.6
–
–
5
100
750
–
4.75
–
V
V
µA
mΩ
ns
A
V
mA
V
%
µs
V
V
mV
Unit Conditions
V
V
0.1A <
V
V
1mA <
V
I
T
I
–
Bootstrap voltage
decreasing
V
V
(
1) 2)
V
95% of
V
V
1)
V
CC
CC
J
EN
S
EN
S
FB
S
BUO
FB
S
S
BDS
= 150 °C max.
= 12V
=300 mA;
=1 A
= 12V
= 12V;
decreasing
increasing
=
= 0.6V
rising from 5% to
Rev. 1.1, 2009-12-16
=
=
V
-
V
I
S
I
V
V
V
S
CC
CC
;
1)
Buck Regulator
;
BDS
BUO
FB,nom
TLD5085EJ
< 1.0A
< 1.8A
) increasing
= GND