AS1332 austriamicrosystems AG, AS1332 Datasheet - Page 5

• Manufacturer Part Number: AS1332
• Description: 650mA Step-Down DC-DC Converter
• Manufacturer: austriamicrosystems AG

AS1332
Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s
System Characteristics
T
and are not production tested.
Table 4. System Characteristics
1. Ripple voltage should measured at C
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Control Inputs
Performance Parameters
A
Linearity
Symbol
Load_tr
Line_tr
T
PSRR
gested inductors and capacitors.
V
= 25ºC; PVIN = VDD = EN = 3.6V, unless otherwise noted. The following parameters are verfied by characterisation
C
ripple
T
RESP
OUT
CON
_ON
η
-
Time for V
1.3V to 3.16V
Time for V
3.16V to 1.3V
V
Linearity in Control
Range 0.556V to 1.208V
Turn-On Time
(time for output to reach 3.16V from
enable low to high transition)
Efficiency
(L = 3.3µH, DCR ≤ 100mΩ)
Ripple voltage, PWM mode
Line transient response
Load transient response
V
I
OUT
CON
IN
= 3.6V, V
= 100mA
Input Capacitance
OUT
OUT
Parameter
OUT
to rise from
to fall from
= 1.3V,
1
OUT
electrode on good layout PC board and under condition using sug-
V
L = 3.3µH, R
V
L = 3.3µH, R
V
V
Monotonic in nature
EN = Low to High, V
V
V
V
V
I
V
3V to 5.5V; T
V
V
up to 100mA, T
sine wave perturbation frequency = 10kHz,
amplitude = 100mVp-p
OUT
IN
IN
CON
IN
OUT
IN
IN
IN
IN
OUT
IN
Revision 1.01
= 4.2V, C
= 4.2V, C
= 3.6V,
= 3.6V, V
= 3.6V, V
= 3V to 4.5V, V
= 600mV perturbance, over Vin range
= 3.1/3.6/4.5V, V
= 10mA to 400mA
= 3.16V, C
= 1.3V, I
= 1V, Test frequency = 100 kHz
LOAD
LOAD
OUT
OUT
OUT
OUT
RISE
OUT
RISE
Conditions
OUT
= 1.3V, I
= 3.16V, I
= 4.7µF,
= 4.7µF,
= T
= 5Ω
= 10Ω
= 100mA
OUT
= T
IN
OUT
= 4.7µF, I
FALL
= 4.2V,
= 1.3V,
FALL
= 1.3V, transients
OUT
= 10µs,
OUT
= 10µs
= 90mA
OUT
= 400mA
≤ 1mA
Min Typ Max Unit
-3
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210 750
20
20
87
96
10
50
50
40
+3
30
30
20
5 - 19
mVp
mVp
mVp
pF
dB
µs
µs
%
%
-p
s
k
k