AAT1299 Datasheet, PDF (4/14 Pages) Analog Devices – Low Voltage 2MHz Step-Up DC/DC Converter

AAT1299
Low Voltage 2MHz Step-Up DC/DC Converter
Electrical Characteristics¹
V_IN = 1.8V, T_A = -40°C to +85°C, unless otherwise noted. Typical values are T_A = 25°C.
Symbol
V_IN
V_OUT
I_Q
I_SHDN
R_DS(ON)H
R_DS(ON)L
I_LIMIT
I_LL
η
ΔV_OUT/V_OUT
ΔV_OUT/V_OUT/ΔV_IN
F_OSC
D_TYMAX
V_TH(L-IN)
V_TH(H-IN)
Description
Minimum Start-Up Voltage
Operating Input Voltage Range
Output Voltage Accuracy
Quiescent Supply Current
(Light Load Operation)²
Shutdown Current
PMOS On-Resistance
NMOS On-Resistance
NMOS Current Limit
Light Load Current Threshold
Efficiency
Load Regulation
Line Regulation
Switching Frequency
Maximum Duty Cycle
Logic Input Low Threshold for EN
Logic Input High Threshold for EN
Conditions
I_LOAD = 1mA
V_IN = 1.0V to 2.5V,
PWM Mode
No Load
EN = 0V, V_IN = 5.5V
T_A = 25°C
T_A = 25°C
I_OUT = 50mA, L = 2.2µH
I_LOAD = 0 to 100mA
V_IN = 1.0V to 2.5V
T_A = 25°C
Min Typ Max Units
1.0
V
1.0
V_OUT
V_OUT -
0.1
V_OUT +
V
0.1
40
70
µA
1.0
µA
750
mΩ
400
mΩ
1.0
A
30
mA
85
%
1.5
%
0.2
%/V
1.8 2.0 2.2 MHz
90
%
0.4
V
1.0
V
1. The AAT1299 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured
by design, characterization, and correlation with statistical process controls.
2. I_Q = I_{Q_VOUT} = I_{Q_VCC}.
4
1299.2007.06.1.0