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Maxim > Solutions > PDAs and Handheld Equipment

Smart Card

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Single 1.2A USB Switch in 3mm x 3mm TDFN
MAX8586

Reverse current protection, active high or low enable
QV  PDF Dual, 3mm x 3mm, 1.2A/Programmable-Current USB Switches with Autoreset
MAX1558, MAX1558H

Smallest Dual USB Switches with Up to 1.2A Current per Channel in a 3mm x 3mm TDFN Package
QV  PDF 450mA/500mA Current-Limit Switches
MAX4795, MAX4796, MAX4797, MAX4798

SOT23, TDFN packages
QV  PDF 4.5Ω Dual SPST Analog Switches in UCSP
MAX4721, MAX4722, MAX4723

QV  PDF 200mA/250mA/300mA Current-Limit Switches
MAX4789, MAX4790, MAX4791, MAX4792, MAX4793, MAX4794

QFN, SOT23/SOT143 packages
QV  PDF 50mA/100mA Current-Limit Switches
MAX4785, MAX4786, MAX4787, MAX4788

Tiny SC70 package
QV  PDF Single USB Switch with Autoreset and Fault Blanking in Tiny TDFN
MAX1946

0.5 Amp
QV  PDF Low-Voltage SIM/Smart-Card Level Translators in µMAX
MAX1840, MAX1841

Low-Voltage, High-Speed, SIM/Smart-Card Level Translator
QV  PDF SIM/Smart-Card Level Translators in µMAX
MAX1740, MAX1741

Industry's Smallest SIM/Smart-Card Level Translators
QV  PDF USB Current-Limited Switches with Fault Blanking
MAX1693, MAX1693H, MAX1694

0.7 Amp single switch



Key Specifications:   Current Limit Switches
Part Number Current Limit (mA) Functions Max. Load Current (A) RON (typ) (Ω) Switch Op. Voltage Range (V) Fault Indicator Fault Blanking Timeout (ms) Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX4795  450  -  0.45 0.2 2.0 to 4.5 Yes 14 SOT-23/5
THIN QFN (Dual)/6
9 -40 to +85
MAX4796  450
Auto Retry
0.45 0.2 2.0 to 4.5 Yes 14 SOT-23/5
THIN QFN (Dual)/6
9 -40 to +85
MAX4797  500  -  0.5 0.2 2.0 to 4.5 Yes 14 SOT-23/5
THIN QFN (Dual)/6
9 -40 to +85
MAX4798  500
Auto Retry
0.5 0.2 2.0 to 4.5 Yes 14 SOT-23/5
THIN QFN (Dual)/6
9 -40 to +85
MAX4785  50
FLAG function
Fault Blanking
0.05 0.7 2.3 to 5.5 Yes 14 SC-70/4
SC-70/5
5 -40 to +85
MAX4786  50
Auto Retry
Fault Blanking
0.05 0.7 2.3 to 5.5 No 14 SC-70/3
SC-70/4
5 -40 to +85
MAX4787  100
FLAG function
Fault Blanking
0.1 0.7 2.3 to 5.5 Yes 14 SC-70/3
SC-70/4
SC-70/5
5 -40 to +85
MAX4788  100
Auto Retry
Fault Blanking
0.1 0.7 2.3 to 5.5 No 14 SC-70/3
SC-70/4
5 -40 to +85
MAX4789  200
FLAG function
Fault Blanking
0.2 0.2 2.3 to 5.5 Yes 14 SOT-143/4
SOT-23/5
THIN QFN (Dual)/6
8 -40 to +85
MAX4790  200
Auto Retry
Fault Blanking
0.2 0.2 2.3 to 5.5 No 14 SOT-143/4
THIN QFN (Dual)/6
8 -40 to +85
MAX4791  250
FLAG function
Fault Blanking
0.25  -  2.3 to 5.5 Yes 14 SOT-143/4
SOT-23/5
THIN QFN (Dual)/6
8 -40 to +105
-40 to +85
MAX4792  250
Auto Retry
Fault Blanking
0.25 0.2 2.3 to 5.5 No 14 SOT-143/4
THIN QFN (Dual)/6
8 -40 to +85
MAX4793  300
FLAG function
Fault Blanking
0.3 0.2 2.3 to 5.5 Yes 14 SOT-143/4
SOT-23/5
THIN QFN (Dual)/6
8 -40 to +85
MAX4794  300
Auto Retry
Fault Blanking
0.3 0.2 2.3 to 5.5 No 14 SOT-143/4
THIN QFN (Dual)/6
8 -40 to +85
See All Current Limit Switches (27)

Key Specifications:   SIM/Smart Card Level Translators
Part Number Logic-Side Voltage Range (V) Card-Side Voltage Range (V) Max. Quiescent ICC (µA) Level Shifters Features Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX1840  1.4 to 5.5 1.7 to 5.5 3.5 1 Bidirectional
2 Unidirectional
10kV ESD Card Socket Protection
Bidirectional System-Side Data
GSM 11.11 & 11.12 Compliant
Shutdown Control
uMAX/10 15 -40 to +85
MAX1841  1.4 to 5.5 1.7 to 5.5 3.5 1 Bidirectional
2 Unidirectional
10kV ESD Card Socket Protection
Bidirectional OR Separate System-Side Data
GSM 11.11 & 11.12 Compliant
uMAX/10 15 -40 to +85
MAX1740  1.4 to 5.5 2.25 to 5.5 2.5 1 Bidirectional
2 Unidirectional
10kV ESD Card Socket Protection
Bidirectional System-Side Data
GSM 11.11 & 11.12 Compliant
Shutdown Control
uMAX/10 15 -40 to +85
MAX1741  1.4 to 5.5 2.25 to 5.5 2.5 1 Bidirectional
2 Unidirectional
10kV ESD Card Socket Protection
Bidirectional OR Separate System-Side Data
GSM 11.11 & 11.12 Compliant
uMAX/10 15 -40 to +85
See All SIM/Smart Card Level Translators (4)

Key Specifications:   Switches and Multiplexers (Low Voltage)
Part Number Configuration Number of Channels Normally (Open/Closed) VSUPPLY, Single (min) (V) VSUPPLY, Single (max) (V) RON (max) (Ω) Bandwidth (MHz) IL (OFF) (max) (nA) tON (max) (nS) tOFF (max) (nS) QINJECTION (pC) CON (pF) COFF (pF) Features VISO, Off-Isolation (dB) VCT, Crosstalk (dB) ΔRON (max) (Ω) RFLAT(ON) (max) (Ω) Redundancy Switch Package Smallest Available Package (max w/pins) (mm2)
MAX4721  SPST 2 Open 1.8 5.5 4.5 300 0.5 80 40 18 15 9
1.8V Logic Compatible
80 110 0.4 1.2 No UCSP/9
uMAX/8
2
MAX4722  SPST 2 Closed 1.8 5.5 4.5 300 0.5 80 40 18 15 9
1.8V Logic Compatible
80 110 0.4 1.2 No UCSP/9
uMAX/8
2
MAX4723  SPST 2 Open/Closed 1.8 5.5 4.5 300 0.5 80 40 18 15 9
1.8V Logic Compatible
80 110 0.4 1.2 No UCSP/9
uMAX/8
2
See All Switches and Multiplexers (Low Voltage) (125)

Key Specifications:   USB Power Switches
Part Number Functions Number of Switches Max. Load Current (A) RON (typ) (Ω) Fault Indicator Fault Blanking Timeout (ms) Switch Op. Voltage Range (V) Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX8586 
Auto Reset From Fault
Fault Blanking
Programmable Current Limit
Reverse Voltage Blocking
1 1.2 0.055 Yes 20 2.7 to 5.5 THIN QFN (Dual)/8  -  -40 to +85
MAX1558 
Auto Reset From Fault
Fault Blanking
Programmable Current Limit
Reverse Voltage Blocking
2 1.4 0.055 Yes 20 2.7 to 5.5 THIN QFN (Dual)/10  -  -40 to +85
MAX1558H 
Auto Reset From Fault
Fault Blanking
Programmable Current Limit
Reverse Voltage Blocking
2 1.4 0.055 Yes 20 2.7 to 5.5 THIN QFN (Dual)/10  -  -40 to +85
MAX1946 
Active High/Active Low Control Logic
1 0.5 0.075 Yes 20 2.7 to 5.5 THIN QFN (Dual)/8  -  -40 to +85
MAX1693 
Fault Blanking
1 0.85 0.06 Yes 10 2.7 to 5.5 uMAX/10 15 -40 to +85
MAX1694 
Fault Blanking
1 0.85 0.06 Yes 10 2.7 to 5.5 uMAX/10 15 -40 to +85
See All USB Power Switches (28)





         



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