Datasheet

TDA8023_1 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 01 — 16 July 2007 18 of 32
NXP Semiconductors
TDA8023
Low power IC card interface
Table 17. DC-to-DC converter
V
DD
= 3.3 V; V
DD(INTF)
= 1.5 V; f
CLKIN
= 10 MHz; GND = 0 V; T
amb
= 25 ° C; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
f
osc(int)
internal oscillator frequency 2 2.5 3 MHz
V
VUP
voltage on pin VUP 5 V card 5.3 5.5 5.8 V
3 V card 3.5 4 4.2 V
1.8 V card - V
DD(DCDC)
-V
V
det
detection voltage on pin V
DDP
5 V card; Follower mode 5.5 5.8 6 V
3 V card; Follower mode 3.8 4 4.2 V
5 V card; Tripler mode - 3.5 - V
Table 18. Card drivers
V
DD
= 3.3 V; V
DD(INTF)
= 1.5 V; f
CLKIN
= 10 MHz; GND = 0 V; T
amb
= 25 ° C; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit
Supply voltage for the card: pin V
CC
[1]
V
o(inact)
inactive mode output
voltage
no load 0 - 0.1 V
I
o(inact)
= 1 mA 0 - 0.3 V
I
o(inact)
inactive mode output
current
at grounded pin V
CC
--−1mA
V
CC
supply voltage Active mode; 2.7 V < V
DD
< 6.5 V
[2]
5 V card; I
CC
< 60 mA; V
CC
= 5 V 4.75 5 5.25 V
3 V card; I
CC
< 55 mA; V
CC
= 3 V 2.80 3 3.15 V
1.8 V card; I
CC
< 30 mA; V
CC
= 1.8 V 1.65 1.8 1.95 V
Active mode; AC current pulses with
I < 200 mA, t < 400 ns and f < 20 MHz
[2]
5 V card; current pulses of 40 nAs 4.65 - 5.35 V
3 V card; current pulses of 24 nAs 2.76 - 3.24 V
1.8 V card; current pulses of 15 nAs 1.62 - 1.98 V
V
ripple(p-p)
peak-to-peak ripple
voltage
on V
CC
; 20kHz<f<200MHz - - 350 mV
I
CC
supply current V
DD
> 2.7 V
5 V card; V
CC
=0Vto5V - - −55 mA
3 V card; V
CC
=0Vto3V - - −55 mA
1.8 V card; V
CC
=0Vto1.8V - - −35 mA
V
CC
shorted to GND
5 V card or 3 V card - −90 −120 mA
1.8 V card - −70 −90 mA
SR slew rate rise or fall; maximum load capacitor
C
L
= 300 nF
5 V card 0.080 0.140 0.200 V/µs
3 V card 0.050 0.080 0.110 V/µs
1.8 V card 0.025 0.045 0.080 V/µs