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MAX1602
Single-Channel CardBus and PCMCIA VCC/VPP Power-Switching Network
Handles 1A for 1 Slot without External Components
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Status
Active: In Production.
Description
The MAX1602 DC power-switching IC contains a network of low-resistance MOSFET switches that deliver selectable VCC and VPP voltages to a single CardBus or PC Card host socket. Key features include low-resistance switches, small packaging, soft-switching action, and compliance with PCMCIA specifications for 3V/5V switching. 3.3V-only power switching for fast, 32-bit CardBus applications is supported in two ways: low-resistance 3.3V switches allow high 3.3V load currents (up to 1A); and completely independent internal charge pumps let the 3.3V switch operate normally, even if the +5V and +12V supplies are disconnected or turned off to conserve power. The internal charge pumps are regulating types that draw reduced input current when the VCC switches are static. Power consumption is automatically reduced to 11µA max when the outputs are high-Z or GND.
Other key features include guaranteed specifications for output current limit level, and guaranteed specifications for output rise/fall times (in compliance with PCMCIA specifications). Reliability is enhanced by thermal-overload protection, accurate current limiting, an overcurrent-fault flag output, and undervoltage lock-outs. The CMOS/TTL-logic interface is flexible, and can tolerate logic input levels in excess of the positive supply rail.
The MAX1602 fits a complete CardBus/PCMCIA switch into a space-saving, 16-pin QSOP package.
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Data Sheet
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Key Features
- Supports a Single PC Card/CardBus Socket
- 1A, 0.25Ω Max 3.3V VCC Switch
- 1A, 0.25Ω Max 5V VCC Switch
- Soft Switching for Low Inrush Surge Current
- Overcurrent Protection
- Overcurrent/Thermal-Fault Flag Output
- Thermal Shutdown at Tj = +150°C
- Independent Internal Charge Pumps
- Break-Before-Make Switching Action
- 11µA Max Standby Supply Current
- 5V and 12V Not Required for Low-RDS(ON) 3.3V Switching
- Complies with PCMCIA 3V/5V Switching Specifications
- Super-Small 16-Pin QSOP Package
- Code Compatible with:
- Cirrus CL-PD67XX Family
- Databook DB86184
- Intel 82365SL (industry-standard coding)
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Applications/Uses
- Data Logging
- Docking Stations
- Handy Terminals
- PCMCIA Read/Write Drives
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Key Specifications:
| 3.3V/5V PCMCIA Cards and Hosts |
| Part Number |
Features |
Outputs |
Controls |
VSUPPLY
(V) |
Package/Pins |
Smallest Available Pckg.
(mm2) |
Oper. Temp.
(°C) |
Budgetary Price |
| max w/pins |
See Notes |
| MAX1602 |
| Current limit | | Internal VPP Switches | | Internal VCC Switches | | Thermal Protection |
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1 card slot |
Std. PCMCIA |
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30.9 |
-40 to +85 |
$2.53 @1k |
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See All 3.3V/5V PCMCIA Cards and Hosts (3)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
Simplified Block Diagram
Reliability Reports
Software/Models
Ordering Information
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Part Number
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Free
Sample |
Buy |
Status
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Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
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Temp |
RoHS/Lead-Free?
Materials Analysis
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| MAX1602EEE
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Active |
QSOP;16 pin;30.9 mm²
Outline Drawing:21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16-1*
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-40°C to +85°C
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RoHS/Lead-Free: No
Materials Analysis |
| MAX1602EEE+
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Active |
QSOP;16 pin;30.9 mm²
Outline Drawing:21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16+1*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX1602EEE+T
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Active |
QSOP;16 pin;30.9 mm²
Outline Drawing:21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16+1*
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-40°C to +85°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX1602EEE-T
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Active |
QSOP;16 pin;30.9 mm²
Outline Drawing:21-0055 (PDF)
Land Pattern: 90-0167 (PDF)
Use pkgcode/variation: E16-1*
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-40°C to +85°C
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RoHS/Lead-Free: No
Materials Analysis |
Notes:
- Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
- Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
- Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
- * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
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Notes and Comments
Internal VCC switches
Internal VPP switches
Current limit
Thermal protection
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Information Index
Document Ref.: 19-1125
Rev 0;
1996-09-01
This page last modified: 2009-07-28
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