EV1340QI Datasheet, PDF (5/20 Pages) Enpirion, Inc. – 5A Synchronous Highly Integrated DC-DC DDR2/3/QDRTM Memory Termination and Low VIN Power SoC

EV1340QI
Electrical Characteristics
NOTE: AVIN1, AVIN2 = 3.3V, over operating temperature range unless otherwise noted. Typical values are at T_A = 25°C.
PARAMETER
Input Power Supply
Voltage
Controller Supply
Voltage
Under Voltage Lock-out
– AVIN Rising
Under Voltage Lock-out
– AVIN Falling
Shut-Down VDDQ
Current
Shut-Down AVIN
Current
VREF Pin Current
Output Voltage
Accuracy – Initial
VFB Pin Voltage
VFB Pin Input Leakage
Current
Continuous Output
Sourcing Current
Continuous Output
Sinking Current
Over Current Trip Level
Switching Frequency
Frequency Adjust
Resistor
Pre-Bias Level
Non-Monotonicity
V_OUT Range for P_OK =
High
P_OK Deglitch Delay
V_POK Output Low Level
V_POK Output High Level
POK Current Sink
Capability
Enable Threshold
SYMBOL
VDDQ
TEST CONDITIONS
MIN TYP MAX UNITS
1.0
1.8
V
AVIN
2.9 3.3 3.7
V
V_UVLOR
Voltage above which UVLO is not
asserted
2.3
V
V_UVLOF Voltage below which UVLO is asserted
2.1
V
I_{SD_VDDQ} ENABLE = 0
150
µA
I_{SD_AVIN}
ENABLE = 0
ΔV_OUT
V_VFB
I_VFB
V_OUT =1/2 VDDQ
(e.g. @ VDDQ = 1.500V), 0.1% VREF
and VOUT resistor dividers)
2.9V ≤ AVIN ≤ 3.7V, VREF=600mV,
0A ≤ ILOAD ≤ 5A
VFB pin input leakage current
900
µA
20nA
0.740 0.750 0.760
V
591 600 609
mV
20
nA
I_{OUT_SRC}
0
5
A
I_{OUT_SNK}
I_OCPH
F_SW
R_FQADJ
V_PB
V_{PB_NM}
V_ENABLE
0
5
Sourcing. VDDQ = 1.35V
11
R_FQADJ = 3.57kOhms
1.5
3.57
Allowable pre-bias as a fraction of
programmed output voltage for monotonic 20
85
start up
Allowable non-monotonicity under pre-
bias start up
50
Range of output voltage as a fraction of
programmed value when P_OK is asserted
92
110
Falling edge deglitch delay after output
crossing 90% level
64
With 4mA current sink into P_OK pin
0.6
When pulled up to AVIN (3.3V) with R_POK
= 100k;
2.2
V_POK = AVIN * (196k/(R_POK + 196k);
2.9V ≤ AVIN ≤ 3.7V
4
2.9V ≤ AVIN ≤ 3.7 V; Min voltage to
ensure the converter is enabled
1.3
A
A
MHz
kΩ
%
mV
%
Clock
cycles
V
V
mA
V
©Enpirion 2011 all rights reserved, E&OE
06218
5
10/19/2011
www.enpirion.com
Rev: A