AMS1069 AMS [Advanced Monolithic Systems Ltd], AMS1069 Datasheet - Page 2

• Manufacturer Part Number: AMS1069
• Description: 2A Output Current
• Manufacturer: AMS [Advanced Monolithic Systems Ltd]

PACKAGE REFERENCE
ELECTRICAL CHARACTERISTICS
V
Parameter
Shutdown Supply Current
Supply Current
Feedback Voltage
Feedback Overvoltage Threshold
Error Amplifier Voltage Gain
Error Amplifier Transconductance
High-Side Switch On Resistance
Low-Side Switch On Resistance
High-Side Switch Leakage Current
Upper Switch Current Limit
Lower Switch Current Limit
COMP to Current Sense
Transconductance
Oscillation Frequency
Short Circuit Oscillation Frequency
Maximum Duty Cycle
Minimum On Time
EN Shutdown Threshold Voltage
EN Shutdown Threshold Voltage
Hysteresis
EN Lockout Threshold Voltage
EN Lockout Hysterisis
Part Number
IN
AMS1069
= 12V, T
GND
SW
BS
IN
A
= +25°C, unless otherwise noted.
1
2
3
4
TOP VIEW
Package
SOP8
Advanced Monolithic Systems
8
7
6
5
–40° to +85°C
SS
EN
COMP
FB
Temperature
Symbol Condition
R
R
D
DS(ON)1
DS(ON)2
F
F
G
G
V
A
osc1
osc2
MAX
FB
EA
EA
CS
V
V
4.75V ≤ V
∆I
V
Minimum Duty Cycle
From Drain to Source
V
V
V
EN
EN
EN
FB
FB
EN
C
= ±10µA
= 0V
= 1.0V
= 0V
= 2.0V; V
= 0V, V
Rising
2
http://www.ams-semitech.com
IN
ABSOLUTE MAXIMUM RATINGS
Supply Voltage V
Switch Node Voltage V
Boost Voltage V
All Other Pins................................. –0.3V to +6V
Junction Temperature...............................150°C
Lead Temperature ....................................260°C
Storage Temperature .............–65°C to +150°C
Recommended Operating Conditions
Input Voltage V
Output Voltage V
Ambient Operating Temperature .... –40°C to +85°C
SW
≤ 18V
FB
= 0V
= 1.0V
0.885
IN
Min
1.1
2.2
BS
............................ 4.75V to 18V
OUT
IN
..........V
....................... –0.3V to +20V
.................... 0.905V to 15V
SW
0.905
Typ
100
210
400
700
380
220
210
3.2
AMS1069
1.3
1.1
1.0
3.5
1.5
2.5
90
............................ 21V
1
SW
-
-
– 0.3V to V
0.925
Max
3.0
1.5
2.0
2.7
10
SW
mΩ
mΩ
Units
µA/V
KHz
KHz
V/V
A/V
mA
mV
mV
µA
µA
+ 6V
ns
%
V
A
V
V
V
A
(2)