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HT56RB688 Datasheet(PDF) 19 Page - Holtek Semiconductor Inc

Part # HT56RB688
Description  TinyPowerTM A/D Type Smart Card OTP MCU with LCD, DAC, ISO 7816 and USB Interfaces
PDF  164 Pages
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Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT56RB688 Datasheet(HTML) 19 Page - Holtek Semiconductor Inc

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DC/DC Converter and LDO Electrical Characteristics
Ta=25
°C
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
V
DD
Conditions
DC/DC
V
IN
DC/DC Input Voltage
¾¾
2.5
¾
5.5
V
VO1
DC/DC
DC/DC Output Voltage 1
¾
V
IN=3.6V~5.5V,
VSEL=0
3.610
3.800
3.990
V
VO2
DC/DC
DC/DC Output Voltage 2
¾
V
IN=3.6V~5.5V,
VSEL=1
4.750
5.500
5.775
V
I
VDD
VDD Supply Current
¾
V
IN=4.75V, ISC=60mA
CPU Idle
¾¾
100
mA
5V Regulator Output
V
IN
DC/DC Input Voltage
¾¾
3.6
¾
5.5
V
V
CRDVCC
Smart Card Power Supply Voltage
¾¾
4.6
5.0
5.4
V
I
SC
Smart Card Supply Current
¾¾
55
¾¾
mA
I
OVDET
Current Overload Detection
¾¾
70
95
150
mA
I
QUI
Quiescent Current
¾
V
O=5.5V, VCRDVCC=5V,
C
LOAD=4.7mF,
No load current
¾
100
150
mA
t
IDET
Detection Time on Current
Overload
¾¾
170
¾
1400
ms
t
OFF
V
CRDVCC Turn Off Time
4.6V~
5.4V
C
LOAD£4.7mF,
Card voltage=V
CRDVCC to
0.4V
¾¾
750
ms
t
ON
V
CRDVCC Turn On Time
4.6V~
5.4V
C
LOAD£4.7mF,
Card voltage=
0V to V
CRDVCC (min.)
¾¾
750
ms
V5
PWRGOOD
LDO 5V Power Good Voltage
¾¾
¾
4.8
¾
V
V5
RIPPLE
Ripple on Card Voltage
¾¾
¾
¾
200
mV
3V Regulator Output
V
IN
DC/DC Input Voltage
¾¾
2.50
¾
5.50
V
V
CRDVCC
Smart Card Power Supply Voltage
¾¾
2.76
3.00
3.24
V
I
SC
Smart Card Supply Current
¾¾
55
¾¾
mA
I
OVDET
Current Overload Detection
¾¾
70
95
120
mA
t
IDET
Detection Time on Current Overload
¾¾
170
¾
1400
ms
t
OFF
V
CRDVCC Turn Off Time
4.6V~
5.4V
C
LOAD£4.7mF,
Card voltage=V
CRDVCC to
0.4V
¾¾
750
ms
t
ON
V
CRDVCC Turn On Time
4.6V~
5.4V
C
LOAD£4.7mF,
Card voltage=
0V to V
CRDVCC (min.)
¾¾
750
ms
V3
PWRGOOD
LDO 3V Power Good Voltage
¾¾
¾
2.88
¾
V
V3
RIPPLE
Ripple on Card Voltage
¾¾
¾
¾
200
mV
HT56RB688
TinyPowerTM A/D type Smart Card OTP MCU
with LCD, DAC, ISO 7816 and USB Interfaces
Rev. 1.10
19
April 15, 2013



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