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AS1345C-BTDT-AD

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P26
18V, High Efficiency, DC-DC Step-Up Converter AS1345 – 7
I
LIMIT
Coil peak current limit
AS1345A 100 mA
AS1345B 200 mA
AS1345C 350 mA
AS1345D 500 mA
Switches
R
NMOS
NMOS resistance 0.3 Ω
R
PMOS
PMOS resistance 0.15 Ω
POK Output
POK output voltage ‘low’ POK sinking 1mA 0.01 0.2 V
POK output voltage ‘high’ POK leakage 1µA VDD
VDD
- 0.1
V
POK output high leakage
current
POK = 3.7V 1 µA
POK threshold
Rising edge, referenced to
V
OUT(NOM)
90 %
Shutdown
V
SHDNH
SHDN input ‘high’
2.9V < V
DD
< 5.0V, no load
1.26 V
V
SHDNL
SHDN input ‘low’ 0.55 V
I
SHDN
SHDN input current -1 +1 µA
Soft Start
I
PRE
Pre-charge current 100 mA
Thermal Shutdown
Thermal shutdown 150 °C
Thermal shutdown hysteresis 10 °C
Symbol Parameter Conditions Min Typ Max Units
AS1345 – 8 18V, High Efficiency, DC-DC Step-Up Converter
V
OUT
= 15V
Figure AS1345 – 7:
Efficiency vs. I
OUT
; V
IN
= 2.7V, I
LIMIT
= 100mA
Figure AS1345 – 8:
Efficiency vs. I
OUT
; V
IN
= 2.7V, I
LIMIT
= 500mA
Typical Operating Characteristics
0
10
20
30
40
50
60
70
80
90
100
0.1 1 10 100
Efficiency (%)
Output Current (mA)
- 40°C
+ 25°C
+ 85°C
0
10
20
30
40
50
60
70
80
90
100
0.1 1 10 100
Efficiency (%)
Output Current (mA)
- 40°C
+ 25°C
+ 85°C
18V, High Efficiency, DC-DC Step-Up Converter AS1345 – 9
Figure AS1345 – 9:
Efficiency vs. I
OUT
; V
IN
= 4.5V, I
LIMIT
= 100mA
Figure AS1345 – 10:
Efficiency vs. I
OUT
; V
IN
= 4.5V, I
LIMIT
= 500mA
0
10
20
30
40
50
60
70
80
90
100
0.1 1 10 100
Efficiency (%)
Output Current (mA)
- 40°C
+ 25°C
+ 85°C
0
10
20
30
40
50
60
70
80
90
100
0.1 1 10 100
Efficiency (%)
Output Current (mA)
- 40°C
+ 25°C
+ 85°C
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P26

AS1345C-BTDT-AD

Mfr. #:
Buy AS1345C-BTDT-AD
Manufacturer:
ams
Description:
Switching Voltage Regulators AS1345C-BTDT-AD Hyst Boost Conv 20mA
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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