AP8800AWT-7 Diodes Inc, AP8800AWT-7 Datasheet - Page 3

• Manufacturer Part Number: AP8800AWT-7
• Description: LED Drivers 28V 1-W LED Driver DC/DC Converter
• Manufacturer: Diodes Inc
• Series: -r

Specifications of AP8800AWT-7

• Constant Current: Yes
• Constant Voltage: -
• Topology: PWM, Step-Down (Buck)
• Number Of Outputs: 1
• Internal Driver: Yes
• Type - Primary: General Purpose
• Type - Secondary: -
• Frequency: 600kHz
• Voltage - Supply: 8 V ~ 28 V
• Voltage - Output: -
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5 Thin, TSOT-23-5
• Operating Temperature: -40°C ~ 105°C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Characteristics
V
Notes:
AP8800A
Document number: DS35100 Rev. 2 - 2
IN
Symbol
R
I
SW-LKG
=12V, T
V
V
DS(ON)
I
f
I
t
θ
t
SET
I
SW
SD
THD
REF
PD
SS
Q
JA
3. Test condition for TSOT23-5: Device mounted on FR-4 PCB (25mm x 25mm 1oz copper, minimum recommended pad layout on
A
=25
Quiescent Current
Shutdown current
Internal Threshold Voltage
Internal Reference Voltage
SET pin input current
On Resistance of MOSFET
Switch leakage current
Switching frequency with L = 100µH
Soft start time
Internal comparator propagation delay
Thermal Resistance Junction-to-
Ambient
top layer and thermal vias to bottom layer ground plane. For better thermal performance, larger copper pad for heat-sink is needed.
o
C, unless otherwise specified.
Parameter
V
V
V
ADJ pin floating L = 100H
I
Time taken for output current to reach
90% of final value after V
TSOT23-5 (Note 3)
OUT
CTRL
CTRL
SET
www.diodes.com
=V
= 350mA @ 1 LED (V
= 1.25V, f
= 0V
COST EFFECTIVE 28V BUCK 1-W LED DRIVER
IN
3 of 12
-0.1
Conditions
SW
= 250kHz
CTRL
LED
= 0.3V
= 3.4V)
Min
95
Typ.
1.25
300
100
250
500
200
1.3
1.5
20
55
AP8800A
© Diodes Incorporated
Max
650
105
2.2
30
January 2011
5
°C/W
Unit
kHz
mV
µA
µA
µA
µA
µs
ns
Ω
V