Electrical characteristics (continued), Electrical characteristics – Rainbow Electronics MAX1703 User Manual
Page 3
V
MAX1703
1-Cell to 3-Cell, High-Power (1.5A),
Low-Noise, Step-Up DC-DC Converter
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(CLK/SEL = AIN = ON = POKIN = FB = PGND = GND, OUT = POUT, LXP = LXN, V
OUT
= 5.3V (Note 1),
T
A
= 0°C to +85°C
, unless
otherwise noted. Typical values are at T
A
= +25°C.)
CLK/SEL = OUT, V
FB
= 0.5V
CLK/SEL = OUT, V
FB
= 0.5V
ON, CLK/SEL
CLK/SEL, V
OUT
= 5.5V
CLK/SEL, V
OUT
= 2.5V
ON, 1.2V < V
OUT
< 5.5V (Note 7)
V
AIN
= 1.5V, V
AO
= 5.5V
V
AIN
= 0.5V, I
AO
= 100µA
2.5V < V
OUT
< 5.5V
-1µA < I
REF
< 50µA
10µA < I
AO
< 100µA
V
AIN
= 1.5V
I
REF
= 0µA
I
AO
= 20µA
CONDITIONS
kHz
200
400
External Clock Frequency Range
%
80
86
90
Oscillator Maximum Duty Cycle
kHz
260
300
340
Internal Oscillator Frequency
µA
-1
0.01
1
Logic Input Current
V
0.8V
OUT
Input High Voltage
V
0.2V
OUT
Input Low Voltage
0.2V
OUT
mV
0.2
5
REF Supply Rejection
mV
5
15
REF Load Regulation
V
1.237
1.250
1.263
Reference Output Voltage
µA
0.01
1
AO Output High Leakage
V
0.1
0.4
AO Output Low Voltage
mmho
5
10
16
Transconductance
nA
-30
30
AIN Input Current
V
1.237
1.25
1.263
AIN Reference Voltage
UNITS
MIN
TYP
MAX
PARAMETER
ns
100
Maximum CLK/SEL Rise/Fall Time
ns
200
Minimum CLK/SEL Pulse Width
ELECTRICAL CHARACTERISTICS
(CLK/SEL = AIN = ON = POKIN = FB = PGND = GND, OUT = POUT, LXP = LXN, V
OUT
= 5.3V (Note 1),
T
A
= -40°C to +85°C
, unless
otherwise noted. Typical values are at T
A
= +25°C.) (Note 8)
ON = OUT
(Note 5)
V
FB
< 0.1V, CLK/SEL = OUT,
0
≤
I
LX
≤
1.1A, V
BATT
= 3.7V
Adjustable output, CLK/SEL = OUT,
0
≤
I
LX
≤
1.1A, V
OUT
= 3.3V, V
BATT
= 2.2V
CLK/SEL = OUT (Note 1)
CLK/SEL = GND (Note 1)
CONDITIONS
µA
300
Supply Current in Low-Noise Mode
µA
120
Supply Current in Low-Power Mode
µA
20
Supply Current in Shutdown
V
2.0
2.3
Output Voltage Lockout Threshold
V
4.87
5.20
Output Voltage (Note 4)
V
1.20
1.27
FB Regulation Voltage
UNITS
MIN
TYP
MAX
PARAMETER
DC-DC CONVERTER
ON, 1.2V < V
OUT
< 5.5V
0.8V
OUT
GAIN BLOCK
REFERENCE
LOGIC INPUTS